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Annual or perennial herbs. Leaves opposite, ovate to linear, entire, sessile. Flowers solitary or in axillary clusters, bisexual, zygomorphic. Bracts resembling leaves. Bracteoles 0. Calyx deeply 5-lobed, sometimes one lobe longer and broader than the others. Corolla 2-lipped, tube cylindric below, upper lip 2-lobed with lobes recurved, lower lip 3-lobed, lobes sometimes reflexed. Stamens 4, didynamous. Fruit a linear capsule. Worldwide: c. 25 species in the tropics Zambia: 14 taxa. The larvae of the following species of insect eat species of this genus:
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Species | FZ divisions | Provinces | Content |
abyssinica (Hochst. ex Nees) T.Anderson | B,N,W,C,E,S | Cb,N,Mc,C,S,W | Description, Image |
africana (T. Anderson) Kuntze | B | W | |
albobracteata Vollesen | N | N,Mc | |
cataractae S. Moore | N,W,C,E,S | Cb,E,C,S | Description, Image |
didynama (Lindau) Heine | N,C,E | N,E,C,Lk | Description, Image |
hippuroides Lindau | N,C | Lp,N,C | |
linearis Burkill | W,C,S | Lk,S | Description, Image |
pilosa Burkill | B,N,W,C,E,S | Nw,Cb,Lp,N,Lk,S,W | Description, Image |
pobeguinii Benoist | N,W | Cb,Lp | |
schulli (Buch.-Ham.) M.R. Almeida & S.M. Almeida | N,W,C,E,S | Nw,N,E,S | Description, Image |
sp. A | W | Cb | |
sp. B | N | N | |
spiciformis Lindau | N | N,Mc | Description, Image |
uliginosa S.Moore | W | Nw |
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