Herbs, erect, creeping or climbing. Leaves opposite, sometimes cordate or hastate at base. Flowers axillary. Bracts 2, large, elliptic or ovate, enveloping the small calyx. Calyx usually of 10-18 linear teeth, rarely a small saucer-shaped body. Stamens 4, didynamous, 2-thecous; anthers opening by longitudinal slits. Retinacula 0. Ovary 2-locular, with 2 ovules in each loculus. Fruit a spherical beaked capsule. Distinguished by the large bracts, the calyx with its numerous lobes, the method of anther dehiscence and the beaked fruit. Derivation of name: Named after Carl Peter Thunberg (1743-1828) Comment: See Pseudocalyx for the differences with that genus. Worldwide: 90 species in the Old World tropics DRC: 34 taxa. Insects associated with this genus:
|
No image yet |
| Species | Botanical divisions | Content |
| affinis S.Moore | ||
| alata Bojer ex Sims | Description, Image | |
| angolensis S.Moore | ||
| battiscombei Turrill | ||
| bianoensis De Wild. & Ledoux | ||
| bogoroensis De Wild. | ||
| ciliata De Wild. | ||
| crispa Burkill | Description, Image | |
| erecta (Benth.) T.Anderson | III | |
| gossweileri S.Moore | Description, Image | |
| graminifolia De Wild. | Description, Image | |
| grandiflora (Roxb. ex Rottler) Roxb. | Image | |
| gregorii S. Moore | ||
| huillensis S. Moore | Description, Image | |
| kirkiana T. Anderson | ||
| laborans Burkill | ||
| lancifolia T. Anderson | Description, Image | |
| lathyroides Burkill | ||
| liebrechtsiana De Wild. & T.Durand | ||
| masisiensis De Wild. | ||
| microchlamys S.Moore | ||
| mildbraediana Lebrun & L.Touss. | Image | |
| natalensis Hook. | Description, Image | |
| oblongifolia Oliv. | Description, Image | |
| petersiana Lindau | Description, Image | |
| pynaertii De Wild. [End] | Image | |
| rogersii Turrill | ||
| schimbensis S. Moore | Description, Image | |
| sessilis Lindau | ||
| stellarioides Burkill | ||
| subcordatifolia De Wild. | ||
| usambarica Lindau | Description, Image | |
| verdcourtii Vollesen | ||
| vogeliana Benth. | III, VI | Image |