Table 1.
Kalanchoe species, synonyms, and number of occurrences.
| Scientific Name | Synonym | Occurrences |
|---|---|---|
| Kalanchoe adelae Raym.-Hamet | Bryophyllum adelae (Raym.-Hamet) A.Berger, Kalanchoe floribunda Tul. | 2 |
| Kalanchoe aliciae Raym.-Hamet | Bryophyllum aliciae (Raym.-Hamet) A.Berger, Kalanchoe miniata var. tsinjoarivensis H.Perrier, Kalanchoe pubescens var. brevicalyx Boiteau and Mannoni, Kalanchoe pubescens var. grandiflora Boiteau and Mannoni | 4 |
| Kalanchoe alternans (Vahl) Pers. | Cotyledon alternans Vahl, Vereia alternans (Vahl) Spreng. | 56 |
| Kalanchoe alticola Compton | - | 5 |
| Kalanchoe ambolensis Humbert | - | 10 |
| Kalanchoe angolensis N.E.Br. | - | 1 |
| Kalanchoe antennifera Desc. | - | 2 |
| Kalanchoe arborescens Humbert | - | 43 |
| Kalanchoe aromatica H.Perrier | - | 27 |
| Kalanchoe aubrevillei Raym.-Hamet ex Cufod. | - | 12 |
| Kalanchoe × auriculata (Raadts) V.V.Byalt | Kalanchoe nyikae subsp. auriculata Raadts | 47 |
| Kalanchoe ballyi Raym.-Hamet ex Cufod. | - | 27 |
| Kalanchoe beauverdii Raym.-Hamet | Bryophyllum beauverdii (Raym.-Hamet) A.Berger, Kalanchoe beauverdii var. typica Boiteau and Mannoni | 152 |
| Kalanchoe beharensis Drake | Kalanchoe vantieghemii Raym.-Hamet | 386 |
| Kalanchoe benbothae Gideon F.Sm. and N.R.Crouch | - | 6 |
| Kalanchoe bentii C.H.Wright ex Hook f. | - | 37 |
| Kalanchoe berevoensis Rebmann | - | - |
| Kalanchoe bergeri Raym.-Hamet and H.Perrier | Bryophyllum bergeri (Raym.-Hamet and H.Perrier) Govaerts, Kalanchoe bergeri var. typica Boiteau and Mannoni, Kalanchoe bergeri var. glabra Boiteau and Mannoni | 27 |
| Kalanchoe bhidei T.Cooke | - | 16 |
| Kalanchoe bipartita Chiov. | - | 14 |
| Kalanchoe blossfeldiana Poelln. | Kalanchoe coccinea (H.Perrier) Boiteau, Kalanchoe coccinea var. blossfeldiana (Poelln.) Boiteau, Kalanchoe globulifera var. coccinea H.Perrier | 493 |
| Kalanchoe bogneri Rauh | Bryophyllum bogneri (Rauh) V.V.Byalt | 10 |
| Kalanchoe boisii Raym.-Hamet and H.Perrier | - | 2 |
| Kalanchoe boranae Raadts | - | 10 |
| Kalanchoe bouvetii Raym.-Hamet and H.Perrier | Bryophyllum bouvetii (Raym.-Hamet and H.Perrier) A.Berger | 16 |
| Kalanchoe bouvetii Raym.-Hamet and H.Perrier | Kalanchoe baumii Engl. and Gilg, Kalanchoe multiflora Schinz, Kalanchoe pruinosa Dinter, Kalanchoe pyramidalis Schönland | 16 |
| Kalanchoe bracteata Scott Elliot | Kalanchoe bracteata var. aurantiaca Rauh and Hebding, Kalanchoe bracteata var. glabra Rauh and Hebding, Kalanchoe bracteata subsp. glabra Rauh and Hebding, Kalanchoe bracteata var. longisepala Boiteau ex L.Allorge, Kalanchoe bracteata var. pubescens Rauh and Hebding, Kalanchoe bracteata var. virescens Desc., Kalanchoe nadyae Raym.-Hamet | 88 |
| Kalanchoe brevicalyx (Raym.-Hamet and H.Perrier) Gideon F.Sm. and Figueiredo | Kalanchoe pinnata var. brevicalyx Raym.-Hamet and H.Perrier | 1 |
| Kalanchoe briquetii Raym.-Hamet | - | 2 |
| Kalanchoe campanulata (Baker) Baill. | Bryophyllum campanulatum (Baker) V.V.Byalt, Udalova and I.M.Vassiljeva, Kitchingia campanulata Baker, Kalanchoe amplexicaulis (Baker) Baill., Kalanchoe campanulata subsp. orthostyla Boiteau and Mannoni, Kalanchoe panduriformis (Baker) Baill., Kalanchoe parviflora (Baker) Baill., Kitchingia amplexicaulis Baker, Kitchingia panduriformis Baker, Kitchingia parviflora Baker | 80 |
| Kalanchoe ceratophylla Haw. | 111 | |
| Kalanchoe chapototii Raym.-Hamet and H.Perrier | 2 | |
| Kalanchoe cherukondensis Subba Rao and Kumari | Vereia ceratophylla (Haw.) D.Dietr. | - |
| Kalanchoe chevalieri Gagnep. | Kalanchoe integra var. chevalieri (Gagnep.) H.H.Pham | 9 |
| Kalanchoe citrina Schweinf. | Kalanchoe citrina var. ballyi Raym.-Hamet ex Wickens, Kalanchoe citrina var. erythreae Schweinf. | 102 |
| Kalanchoe costantinii Raym.-Hamet | Bryophyllum costantinii (Raym.-Hamet) A.Berger | 1 |
| Kalanchoe craibii Raym.-Hamet | - | 1 |
| Kalanchoe crenata (Andrews) Haw. | Cotyledon crenata (Andrews) Vent., Cotyledon verea Jacq., Kalanchoe afzeliana Britten, Kalanchoe crenata var. verea Cufod., Kalanchoe integra var. crenata (Andrews) Cufod., Kalanchoe integra var. varea Cufod., Kalanchoe verea Pers., Vereia crenata Andrews | 1320 |
| Kalanchoe crouchii Gideon F.Sm. and Figueiredo | - | 3 |
| Kalanchoe crundallii I.Verd. | - | 6 |
| Kalanchoe curvula Desc. | Bryophyllum curvulum (Desc.) V.V.Byalt | 16 |
| Kalanchoe cymbifolia Desc. | Bryophyllum cymbifolium (Desc.) V.V.Byalt | - |
| Kalanchoe daigremontiana Raym.-Hamet and H.Perrier | Bryophyllum daigremontianum (Raym.-Hamet and H.Perrier) A.Berger | 768 |
| Kalanchoe darainensis D.-P.Klein and Callm. | - | 22 |
| Kalanchoe decumbens Compton | - | - |
| Kalanchoe deficiens (Forssk.) Asch. and Schweinf. | Cotyledon deficiens Forssk., Kalanchoe glaucescens var. deficiens (Asch. and Schweinf.) Senni | 342 |
| Kalanchoe delagoensis Eckl. and Zeyh. | Bryophyllum delagoense (Eckl. and Zeyh.) Druce, Bryophyllum tubiflorum Harv., Kalanchoe tubiflora (Harv.) Raym.-Hamet, Bryophyllum verticillatum (Scott Elliot) A.Berger, Geaya purpurea Costantin and Poiss., Kalanchoe verticillata Scott Elliot | 5341 |
| Kalanchoe densiflora Rolfe | - | 687 |
| Kalanchoe × descoingsii Shtein, Gideon F.Sm. and J.Ikeda | - | - |
| Kalanchoe dinklagei Rauh | Kalanchoe brevisepala (Humbert) L.Allorge, Kalanchoe millotii var. brevisepala Humbert | 14 |
| Kalanchoe dyeri N.E.Br. | - | 21 |
| Kalanchoe elizae A.Berger | Cotyledon elizae (A.Berger) Raym.-Hamet, Cotyledon insignis N.E.Br., Kalanchoe insignis (N.E.Br.) N.E.Br., Kalanchoe laurensii Raym.-Hamet | 80 |
| Kalanchoe eriophylla Hils. and Bojer ex Tul. | Cotyledon pannosa Baker | 43 |
| Kalanchoe × estrelae Gideon F.Sm. | - | - |
| Kalanchoe fadeniorum Raadts | - | 8 |
| Kalanchoe farinacea Balf.f. | - | 55 |
| Kalanchoe faustii Font Quer | Kalanchoe laciniata subsp. faustii (Font Quer) Maire | 33 |
| Kalanchoe fedtschenkoi Raym.-Hamet and H.Perrier | Bryophyllum fedtschenkoi (Raym.-Hamet and H.Perrier) Lauz.-March., Kalanchoe fedtschenkoi var. isalensis Boiteau and Mannoni | 514 |
| Kalanchoe fernandesii Raym.-Hamet | - | 4 |
| Kalanchoe × flaurantia Desc. | - | - |
| Kalanchoe gastonis-bonnieri Raym.-Hamet and H.Perrier | Bryophyllum gastonis-bonnieri (Raym.-Hamet and H.Perrier) Lauz.-March., Kalanchoe adolphi-engleri Raym.-Hamet, Kalanchoe gastonis-bonnieri var. ankaizinensis Boiteau ex L.Allorge | 173 |
| Kalanchoe germanae Raym.-Hamet ex Raadts | - | 16 |
| Kalanchoe gideonsmithii N.R.Crouch and Figueiredo | - | 1 |
| Kalanchoe glaucescens Britten | Kalanchoe beniensis De Wild., Kalanchoe elliptica Raadts, Kalanchoe flammea Stapf, Kalanchoe holstii Engl., Kalanchoe magnidens N.E.Br., Kalanchoe marinellii Pamp., Kalanchoe ndorensis Schweinf. ex Engl. | 379 |
| Kalanchoe globulifera H.Perrier | - | 15 |
| Kalanchoe gracilipes (Baker) Baill. | Bryophyllum gracilipes (Baker) Eggli, Kitchingia gracilipes Baker | 89 |
| Kalanchoe grandidieri Baill. | - | 64 |
| Kalanchoe grandiflora Wight and Arn. | Vereia grandiflora (Wight and Arn.) D.Dietr. | 77 |
| Kalanchoe guignardii Raym.-Hamet and H.Perrier | Kalanchoe beauverdii var. guignardii (Raym.-Hamet and H.Perrier) Boiteau and Mannoni | 1 |
| Kalanchoe × gunniae Gideon F.Sm. and Figueiredo | - | - |
| Kalanchoe hametiorum Raym.-Hamet | - | 4 |
| Kalanchoe hauseri Werderm. | - | - |
| Kalanchoe hildebrandtii Baill. | Kalanchoe gomphophylla Baker, Kalanchoe hildebrandtii var. glabra Rauh and Hebding | 95 |
| Kalanchoe hirta Harv. | - | 13 |
| Kalanchoe × houghtonii D.B.Ward | Bryophyllum × houghtonii (D.B.Ward) P.I.Forst. | 1650 |
| Kalanchoe humifica Desc. | Bryophyllum humificum (Desc.) V.V.Byalt | 1 |
| Kalanchoe humilis Britten | - | 30 |
| Kalanchoe hypseloleuce Friis and M.G.Gilbert | - | 1 |
| Kalanchoe inaurata Desc. | Bryophyllum inauratum (Desc.) V.V.Byalt | - |
| Kalanchoe integra (Medik.) Kuntze | Cotyledon integra Medik., Bryophyllum serratum Blanco, Cotyledon acutiflora (Haw.) W.T.Aiton, Cotyledon hybrida Dum.Cours., Cotyledon spathulata (DC.) Poir., Echeveria spathulata (DC.) W.Bull ex É.Morren, Kalanchoe acutiflora (Andrews) Haw., Kalanchoe annamica Gagnep., Kalanchoe corymbosa Wall., Kalanchoe dixoniana Raym.-Hamet, Kalanchoe garambiensis Kudô, Kalanchoe hybrida Desf. ex Steud., Kalanchoe integra var. annamica (Gagnep.) H.H.Pham, Kalanchoe nudicaulis Buch.-Ham. ex C.B.Clarke, Kalanchoe schumacheri Koord., Kalanchoe spathulata DC., Kalanchoe spathulata var. annamica (Gagnep.) H.Ohba, Kalanchoe spathulata var. baguioensis H.Ohba, Kalanchoe spathulata var. ciliata, Kalanchoe spathulata var. dixoniana (Raym.-Hamet) H.Ohba, Kalanchoe spathulata var. garambiensis (Kudô) H.Ohba, Kalanchoe spathulata var. schumacheri (Koord.) H.Ohba, Kalanchoe spathulata var. simlensis H.Ohba, Kalanchoe spathulata var. staintonii H.Ohba, Kalanchoe subamplectens Wall., Kalanchoe varians Haw., Kalanchoe yunnanensis Gagnep., Vereia acutiflora Andrews, Vereia spathulata (DC.) D.Dietr. | 289 |
| Kalanchoe integrifolia Baker | Kalanchoe bitteri Raym.-Hamet and H.Perrier, Kalanchoe heckelii Raym.-Hamet and H.Perrier, Kalanchoe integrifolia var. bitteri Raym.-Hamet and H.Perrier, Kalanchoe integrifolia var. flava Boiteau | 85 |
| Kalanchoe jongmansii Raym.-Hamet and H.Perrier | Bryophyllum jongmansii (Raym.-Hamet and H.Perrier) Govaerts, Kalanchoe jongmansii subsp. ivohibensis Humbert | 54 |
| Kalanchoe klopperae Gideon F.Sm. and Figueiredo | - | - |
| Kalanchoe laciniata (L.) DC. | Cotyledon laciniata L., Vereia laciniata (L.) Willd., Kalanchoe angustifolia A.Rich., Kalanchoe biternata Wight ex Wall., Kalanchoe carnea N.E.Br., Kalanchoe gloveri Cufod., Kalanchoe lentiginosa Cufod., Kalanchoe petitiaesii Rich. ex Jacques, Kalanchoe rohlfsii Engl., Kalanchoe rosea A.Chev., Kalanchoe schweinfurthii Penz., Kalanchoe teretifolia Haw. | 430 |
| Kalanchoe laetivirens Desc. | Bryophyllum laetivirens (Desc.) V.V.Byalt | 223 |
| Kalanchoe lanceolata (Forssk.) Pers. | Cotyledon lanceolata Forssk., Vereia lanceolata (Forssk.) Spreng., Cotyledon amplexicaulis B.Heyne ex C.B.Clarke, Cotyledon corymbosa Rottler ex Wight and Arn., Cotyledon heterophylla Roxb., Cotyledon hirsuta B.Heyne ex C.B.Clarke, Cotyledon paniculata Rottler ex Wight and Arn., Kalanchoe amplexicaulis B.Heyne, Kalanchoe brachycalyx A.Rich., Kalanchoe crenata var. collina Engl., Kalanchoe ellacombei N.E.Br., Kalanchoe floribunda Wight and Arn., Kalanchoe floribunda var. glabra C.B.Clarke, Kalanchoe glandulosa Hochst. ex A.Rich., Kalanchoe glandulosa var. benguellensis Engl., Kalanchoe glandulosa var. rhodesica Baker f., Kalanchoe glandulosa var. tomentosa Keissl., Kalanchoe goetzei Engl., Kalanchoe gregaria Dinter, Kalanchoe heterophylla (Roxb.) Wight and Arn., Kalanchoe heterophylla (Roxb.) Prain, Kalanchoe homblei De Wild., Kalanchoe homblei f. reducta De Wild., Kalanchoe junodii Schinz, Kalanchoe laciniata var. brachycalyx (A.Rich.) Chiov., Kalanchoe lanceolata var. glabra (C.B.Clarke) S.R.Sriniv., Kalanchoe lanceolata var. glandulosa (Hochst. ex A.Rich.) Cufod., Kalanchoe modesta Kotschy and Peyr., Kalanchoe pentheri Schltr., Kalanchoe pilosa Baker, Kalanchoe platysepala Welw. ex Britten, Kalanchoe pubescens R.Br. ex Britten, Kalanchoe ritchieana Dalzell, Kalanchoe spathulata Wall., Kalanchoe wightianum Wall., Meristostylus macrocalyx Klotzsch, Vereia floribunda (Wight and Arn.) D.Dietr., Vereia heterophylla (Wight and Arn.) D.Dietr. | 893 |
| Kalanchoe lateritia Engl. | - | 284 |
| Kalanchoe latisepala N.E.Br. | - | 31 |
| Kalanchoe laxiflora Baker | Bryophyllum laxiflorum (Baker) Govaerts, Bryophyllum crenatum Baker, Kalanchoe crenata (Baker) Raym.-Hamet, Kalanchoe laxiflora subsp. stipitata Boiteau and Mannoni, Kalanchoe laxiflora subsp. subpeltata Boiteau and Mannoni, Kalanchoe laxiflora subsp. violacea Boiteau and Mannoni, Kalanchoe tieghemii Raym.-Hamet | 469 |
| Kalanchoe leblanciae Raym.-Hamet | - | 17 |
| Kalanchoe lindmanii Raym.-Hamet | Kalanchoe gossweileri Croizat, Kalanchoe humbertii Guillaumin, Kalanchoe pearsonii N.E.Br. | 16 |
| Kalanchoe linearifolia Drake | Kalanchoe bonnieri Raym.-Hamet | 118 |
| Kalanchoe lobata R.Fern. | - | 6 |
| Kalanchoe × lokarana Desc. | Bryophyllum × lokarana (Desc.) V.V.Byalt | 2 |
| Kalanchoe longiflora Schltr. | - | 35 |
| Kalanchoe longifolia E.T.Geddes | - | 2 |
| Kalanchoe lubangensis R.Fern. | - | 1 |
| Kalanchoe luciae Raym.-Hamet | Kalanchoe albiflora H.M.L.Forbes | 60 |
| Kalanchoe macrochlamys H.Perrier | Bryophyllum macrochlamys (H.Perrier) A.Berger | 12 |
| Kalanchoe mandrarensis Humbert | - | 7 |
| Kalanchoe manginii Raym.-Hamet and H.Perrier | Bryophyllum manginii (Raym.-Hamet and H.Perrier) Nothdurft | 67 |
| Kalanchoe marmorata Baker | Kalanchoe grandiflora A.Rich., Kalanchoe macrantha Baker ex Maire, Kalanchoe macrantha var. marmorata (Baker) Maire, Kalanchoe macrantha var. richardiana Maire | 264 |
| Kalanchoe marnieriana H.Jacobsen ex L.Allorge | Bryophyllum marnierianum (H.Jacobsen ex L.Allorge) Govaerts, Kalanchoe humbertii Mannoni and Boiteau | 46 |
| Kalanchoe maromokotrensis Desc. and Rebmann | - | 5 |
| Kalanchoe migiurtinorum Cufod. | - | 7 |
| Kalanchoe millotii Raym.-Hamet and H.Perrier | - | 82 |
| Kalanchoe miniata Hils. and Bojer ex Tul. | Bryophyllum miniatum (Hils. and Bojer ex Tul.) A.Berger, Kalanchoe miniata var. typica H.Perrier, Kitchingia miniata (Hils. and Bojer ex Tul.) Baker | 252 |
| Kalanchoe mitejea Leblanc and Raym.-Hamet | - | 29 |
| Kalanchoe montana Compton | Kalanchoe luciae subsp. montana (Compton) Toelken | 2 |
| Kalanchoe mortagei Raym.-Hamet and H.Perrier | Bryophyllum mortagei (Raym.-Hamet and H.Perrier) Wickens, Kalanchoe poincarei var. mortagei (Raym.-Hamet and H.Perrier) Boiteau | 42 |
| Kalanchoe ndotoensis L.E.Newton | - | 1 |
| Kalanchoe neglecta Toelken | Kalanchoe rotundifolia f. peltata R.Fern. | 7 |
| Kalanchoe nyikae Engl. | Kalanchoe hemsleyana Cufod. | 53 |
| Kalanchoe obtusa Engl. | - | 39 |
| Kalanchoe olivacea Dalzell | - | 10 |
| Kalanchoe orgyalis Baker | Kalanchoe antanosiana Drake | 162 |
| Kalanchoe paniculata Harv. | Sedum harveyanum Kuntze, Kalanchoe oblongifolia Harv. | 193 |
| Kalanchoe pareikiana Desc. and Lavranos | - | 2 |
| Kalanchoe peltata (Baker) Baill. | Bryophyllum peltatum (Baker) V.V.Byalt, Udalova and I.M.Vassiljeva, Kitchingia peltata Baker | 152 |
| Kalanchoe peltigera Desc. | Bryophyllum peltigerum (Desc.) V.V.Byalt | 5 |
| Kalanchoe perrieri Shtein, Gideon F.Sm. and D.-P.Klein | - | - |
| Kalanchoe peteri Werderm. | - | 35 |
| Kalanchoe petitiana A.Rich. | - | 95 |
| Kalanchoe pinnata (Lam.) Pers. | Bryophyllum pinnatum (Lam.) Oken, Cotyledon pinnata Lam., Crassula pinnata (Lam.) L.f., Kalanchoe pinnata var. genuina Raym.-Hamet, Vereia pinnata (Lam.) Spreng., Baumgartenia sobolifera Tratt., Bryophyllum calcicola (H.Perrier) V.V.Byalt, Bryophyllum calycinum Salisb., Bryophyllum germinans Blanco, Bryophyllum pinnatum simplicifolium Kuntze, Cotyledon calycina (Salisb.) B.Heyne, Cotyledon calyculata Sol. ex Sims, Cotyledon rhizophylla Roxb., Crassuvia floripendia Comm. ex Lam., Kalanchoe calcicola (H.Perrier) Boiteau, Kalanchoe floripendula Steud, Kalanchoe pinnata var. calcicola H.Perrier, Kalanchoe pinnata var. floripendula Pers. | 7288 |
| Kalanchoe × poincarei Raym.-Hamet and H.Perrier | Bryophyllum poincarei (Raym.-Hamet and H.Perrier) Govaerts | 10 |
| Kalanchoe porphyrocalyx (Baker) Baill. | Bryophyllum porphyrocalyx (Baker) A.Berger, Kalanchoe porphyrocalyx var. typica Boiteau and Mannoni, Kitchingia porphyrocalyx Baker | 187 |
| Kalanchoe prasina N.E.Br. | Kalanchoe figuereidoi Croizat | - |
| Kalanchoe prittwitzii Engl. | Kalanchoe dielsii Raym.-Hamet, Kalanchoe lugardii Bullock, Kalanchoe robynsiana Raym.-Hamet, Kalanchoe secunda Werderm. | 136 |
| Kalanchoe prolifera (Bowie ex Hook.) Raym.-Hamet | Bryophyllum proliferum Bowie ex Hook., Bryophyllum cochleatum Lem., Kalanchoe cochleatum (Lem.) B.D.Jacks. | 180 |
| Kalanchoe pseudocampanulata Mannoni and Boiteau | Bryophyllum pseudocampanulatum (Mannoni and Boiteau) Govaerts, Kalanchoe miniata var. decaryana H.Perrier | 5 |
| Kalanchoe pubescens Baker | Bryophyllum pubescens (Baker) Govaerts, Kalanchoe pubescens var. typica Boiteau and Mannoni | 162 |
| Kalanchoe pumila Baker | Kalanchoe brevicaulis Baker, Kalanchoe multiceps Baill., Kalanchoe pumila f. venustior Boiteau | 71 |
| Kalanchoe quadrangularis Desc. | - | 3 |
| Kalanchoe quartiniana A.Rich. | - | 23 |
| Kalanchoe rebmannii Desc. | - | 1 |
| Kalanchoe × rechingeri Raym.-Hamet ex Rauh and Hebding | Bryophyllum × rechingeri (Raym.-Hamet ex Rauh and Hebding) V.V.Byalt | 2 |
| Kalanchoe rhombopilosa Mannoni and Boiteau | Kalanchoe rhombopilosa var. argentea Rauh, Kalanchoe rhombopilosa var. viridifolia Rauh | 30 |
| Kalanchoe × richaudii Desc. | - | 2 |
| Kalanchoe robusta Balf.f. | Kalanchoe abrupta Balf.f. | 7 |
| Kalanchoe rolandi-bonapartei Raym.-Hamet and H.Perrier | Bryophyllum rolandi-bonapartei (Raym.-Hamet and H.Perrier) Govaerts, Bryophyllum tsaratananense (H.Perrier) A.Berger, Kalanchoe tsaratananensis H.Perrier | 16 |
| Kalanchoe rosea C.B.Clarke | - | - |
| Kalanchoe rosei Raym.-Hamet and H.Perrier | Bryophyllum rosei (Raym.-Hamet and H.Perrier) A.Berger, Kalanchoe bouvieri Raym.-Hamet and H.Perrier | 74 |
| Kalanchoe rotundifolia (Haw.) Haw. | Crassula rotundifolia Haw., Sedum subrotundifolium (Haw.) Kuntze, Vereia rotundifolia (Haw.) D.Dietr., Kalanchoe guillauminii Raym.-Hamet, Kalanchoe integerrima Lange, Kalanchoe luebbertiana Engl., Kalanchoe rotundifolia var. guillauminii (Raym.-Hamet) Raym.-Hamet, Kalanchoe rotundifolia f. tripartita R.Fern., Kalanchoe seilleana Raym.-Hamet, Kalanchoe stearnii Raym.-Hamet, Meristostylus brachycalyx Klotzsch | 623 |
| Kalanchoe rubella (Baker) Raym.-Hamet | Bryophyllum rubellum Baker | 23 |
| Kalanchoe salazarii Raym.-Hamet | - | 2 |
| Kalanchoe sanctula Desc. | Bryophyllum sanctulum (Desc.) V.V.Byalt | 2 |
| Kalanchoe scandens H.Perrier | Bryophyllum scandens (H.Perrier) A.Berger, Kalanchoe beauverdii var. parviflora Boiteau and Mannoni | 7 |
| Kalanchoe scapigera Welw. ex Britten | - | 15 |
| Kalanchoe schimperiana A.Rich. | Cotyledon deficiens Hochst. and Steud. ex A.Rich. | 78 |
| Kalanchoe schizophylla (Baker) Baill. | Bryophyllum schizophyllum (Baker) A.Berger, Kitchingia schizophylla Baker | 48 |
| Kalanchoe schliebenii Werderm. | - | 3 |
| Kalanchoe serrata Mannoni and Boiteau | Bryophyllum lauzac-marchaliae V.V.Byalt, Bryophyllum serratum (Mannoni and Boiteau) Lauz.-March. | 36 |
| Kalanchoe sexangularis N.E.Br. | - | 130 |
| Kalanchoe stenosiphon Britten | - | 9 |
| Kalanchoe streptantha Baker | Bryophyllum streptanthum (Baker) A.Berger | 28 |
| Kalanchoe suarezensis H.Perrier | Bryophyllum suarezense (H.Perrier) A.Berger, Kalanchoe poincarei var. suarezensis (H.Perrier) L.Allorge | 20 |
| Kalanchoe subrosulata Thulin | - | 4 |
| Kalanchoe synsepala Baker | Kalanchoe brachycalyx Baker, Kalanchoe gentyi Raym.-Hamet and H.Perrier, Kalanchoe trichantha Baker | 214 |
| Kalanchoe tachingshuii S.S.Ying | - | - |
| Kalanchoe tashiroi Yamam. | - | 4 |
| Kalanchoe teixeirae Raym.-Hamet ex R.Fern. | - | 3 |
| Kalanchoe tenuiflora Desc. | - | 3 |
| Kalanchoe tetramera E.T.Geddes | - | 2 |
| Kalanchoe tetraphylla H.Perrier | - | 30 |
| Kalanchoe thyrsiflora Harv. | Kalanchoe alternans Eckl. and Zeyh. ex Harv. | 251 |
| Kalanchoe tomentosa Baker | Bryophyllum triangulare Blanco | 179 |
| Kalanchoe torrejacqii Shtein and Gideon F.Sm. | - | 3 |
| Kalanchoe tuberosa H.Perrier | - | 11 |
| Kalanchoe uniflora (Stapf) Raym.-Hamet | Bryophyllum uniflorum (Stapf) A.Berger, Kitchingia uniflora Stapf, Bryophyllum ambrense (H.Perrier) A.Berger, Kalanchoe ambrensis H.Perrier, Kalanchoe uniflora var. brachycalyx Boiteau and Mannoni | 97 |
| Kalanchoe usambarensis Engl. and Raym.-Hamet | - | 16 |
| Kalanchoe variifolia (Guillaumin and Humbert) Shtein, D.-P.Klein and Gideon F.Sm. | Kalanchoe rosei var. variifolia (Guillaumin and Humbert) J.M.H.Shaw, Kalanchoe rosei subsp. variifolia Guillaumin and Humbert | 13 |
| Kalanchoe velutina Welw. ex Britten | - | 56 |
| Kalanchoe viguieri Raym.-Hamet and H.Perrier | Kalanchoe viguieri var. latisepala Raym.-Hamet and H.Perrier | 68 |
| Kalanchoe waldheimii Raym.-Hamet and H.Perrier | Bryophyllum waldheimii (Raym.-Hamet and H.Perrier) Lauz.-March. | 50 |
| Kalanchoe waterbergensis van Jaarsv. | - | 3 |
| Kalanchoe welwitschii Britten | - | 17 |
| Kalanchoe wildii Raym.-Hamet ex R.Fern. | Kalanchoe aleuroides Stearn | 2 |
| Kalanchoe winteri Gideon F.Sm., N.R.Crouch and Mich.Walters | - | 3 |
| Kalanchoe yemensis (Deflers) Schweinf. | Kalanchoe brachycalyx var. yemensis Deflers | 17 |