Phyllotaxis: tristichous (0); spirotristichous (1); spirally (2)
Deciduousness of leaves: deciduous (0); persistent, at least the sheath (1)
Abscission line between sheath and lamina: absent (0); present (1)
Distal portion of leaf blade: attenuate (0); truncate (1)
Transverse posture of leaf blade: arcuate (0); plane (1)
Longitudinal posture of dry leaf blade: involute (0); flat (1); revolute (2)
Furrows in leaf blade: absent (0); on abaxial surface only (1); on both surfaces (2)
Papillae in furrows: absent or inconspicuous (0); coronulate (1); finger-like (2)
Leaf trichomes or emergences: absent (0); multicellular base, on lamina (1); multicellular base, on margins and midrib (2); uni- or multicellular with unicellular base (3)
Stomatal distribution in leaves: hypostomatic (0); hypoamphistomatic (1); amphistomatic (2)
Subsidiary cells: smooth (0); ridged (1)
Specialized cells: absent (0); present on adaxial surface only (1); present on both surfaces (2)
Adaxial strands: absent (0); present (1)
Abaxial strands: absent (0); present (1)
Marginal bundle: rounded (0); triangular (1); absent (2)
Conduction tissues in marginal bundle: present (0); absent (1)
Aquiferous hypodermis: extending to bundle sheaths only (0); extending to bundle sheaths and furrows (1); absent (2)
Aquiferous parenchyma between bundles: absent (0); present (1)
Sclerenchyma pattern: Xerophyta type (0); Vellozia type (1); Barbacenia type (2); other types (3)
Phloem strands: two, separated (0); two, united at bottom (1); one (2)
Minor fibro-vascular bundles: absent (0); present (1)
Sheath of leaf vascular bundles (M & al.): simple (0); double (1)
Transfusion tracheids (M & al.): absent (0); present (1)
Inflorescence (M & al.): with major axis (0); suppression of major axis (1)
Flower number: solitary or grouped (0); always solitary (1)
Pedicel position: evident (0); hidden by leaves (1)
Transverse section of pedicel: triangular (0); circular (1)
Vascular bundles in pedicel: six (0); nine (1); 12 (2); 15 (3); 18 (4); 24 (5); 36 (6)
Belt of sclerified cells in pedicel: absent (0); present (1)
Emergence type: capitate or capitate-truncated (0); subulate (1)
Pedicellar emergences: absent (0); laxly disposed (1); densely disposed (2)
Hypanthial emergences: absent (0); laxly disposed (1); densely disposed (2)
Ovary outline: longer than broad (0);± as long as broad (1); broader than long (2)
Transverse section of ovary: trigonous (0); circular-trilobate (1)
Placentation (S & L): axile (0); parietal (1)
Hypanthial tube: absent or much shorter than ovary (0); shorter than ovary (1); equal to ovary (2); longer than ovary (3)
Perianth (S & L): differentiated (0); undifferentiated (1); absent (2)
Tepal colour: violet (0); white (1); yellow (2); red (3); green (4); orange (5); pink (6)
Corona: absent (0); present (1)
Floral expression: monoclinous (0); diclinous (1)
Stamen number: six (0); nine (1); 12 (2); 15 (3); 18 (4); 24 (5); 30 (6); 36 (7); more (8)
Staminal appendages: absent (0); present (1)
Filaments: cylindrical (0); flat (1); coronoid (2)
Anther attachment: on filament (0); on corona (1); on hypanthium (2)
Anther insertion: basifixed (0); dorsifixed (1)
Apical appendage in anther: absent (0); present (1)
Auricles in anther: absent (0); present (1)
Anther position in antisepalous stamens: extrorse (0); latrorse (1); latero-introrse (2); introrse (3)
Anther position in antipetalous stamens: extrorse (0); latrorse (1); latero-introrse (2); introrse (3)
Anther dehiscence: each pair of microsporangia dehiscing by a single common slit (0); each pair of microsporangia dehiscing by a separated slit (1); bisporangiate (2)
Anther colour: yellow (0); violet (1); white (2); cream (3)
Pollen colour: yellow (0); white (1)
Pollen units: monads (0); tetrads (1)
Relative position of stigma and stamens: stigma above stamens (0); stigma at same level or below stamens (1)
Style × stigma: much longer (0); more or less of the same length (1); much shorter (2)
Stigma lobes: horizontal, fused at centre (0); vertical, fused at apex (1); free (2)
Fruit: loculicidal capsule (0); poricidal capsule (1); intercostal capsule (2); basal loculicidal capsule (3); septicidal capsule (4); other types (5)
Hypanthium in fruit: persistent (0); deciduous (1)
Belt of continuous fibres in root cortex: absent (0); present (1)
Transverse section of adult stem: circular (0); triangular (1)
Bundles of fibres in stem cortex: absent (0); round-shaped (1); continuous belt (2); U-shaped (3)
Compound vascular bundles in stem: absent (0); present (1)
Fibres uniting the stem vascular bundles in maturity: absent (0); present (1)
Central fibrous bundle in stem: absent (0); present (1)
Fibres in stem vascular bundles: absent (0); next to the phloem (1); next to the xylem (2)
Stem cortex: undivided, parenquimatous (0); divided in three regions (1)
Secondary wall in stem inner cortex cells: absent (0); present (1)
