Table 4.
Simple alkaloids with low chemo-diversity (a low count in GBIF occurrences) and number of reported published research articles on species from Web of Science between 2014 and 2020. 1 Majority of the studies on the compounds focuses on chemical synthesis (>50%) 2 Used as traditional medicine.
| Species | Alkaloid | Occurrences | Species Distribution | Reported Articles on the Species in WoS (2014–2020) | Search for Compounds |
|---|---|---|---|---|---|
| Bellendena montana R.Br. | Bellendine | 1141 | New Zealand | 1 | 4 |
| Bruguiera sexangula (Lour.) Poir. 2 | Tropine 1,2-dithiolane-3-carboxylate | 832 | Southeast Asia | 37 | 2 |
| Croton tiglium L. (syn.: Phragmanthera capitata (Spreng.) Balle) 2 | Crotonine | 1002 | Southeast Asia | 50 (11 under syn.) | 1 |
| Stemona tuberosa Lour. 2 | Croomine | 614 | Southeast Asia | 60 | 40 1 |
| Mesembryanthemum tortuosum L. (syn.: Sceletium tortuosum (L.) N.E.Br.) 2 | Mesembrine | 288 | South Africa | 71 (69 under syn.) | 163 1 |
| Schizanthus pinnatus Ruiz and Pav. | Schizanthine A | 690 | South America | 1 | 4 |
| Stapelia hirsuta L. | N-Acetylhordenine | 212 | South Africa | 2 | 0 |
| Ulex jussiaei Webb | Jussiaeiine A | 331 | Portugal | 3 | 2 |