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FOC | Family List | FOC Vol. 16 | Asclepiadaceae

15. Gomphocarpus R. Brown, Mem. Wern. Nat. Hist. Soc. 1: 37. 1810 (preprint).

钉头果属 ding tou guo shu

Gomphocarpus fruticosus

Credit: L. Allorge

Shrubs or subshrubs, erect. Leaves opposite or whorled, short petiolate. Cymes extra-axillary, umbel-like, pendent, many flowered. Calyx glands 5 or more. Corolla rotate, deeply lobed; lobes patent or reflexed, valvate. Corona lobes 5, inserted on gynostegium, erect, hood-shaped, apex with 2 recurved or straight adaxial cusps, hood not appendaged. Filaments connate into a tube; anther appendages incurved; pollinia 2 per pollinarium, oblong, pendulous. Stigma head depressed. Follicles broadly ovoid, inflated, pericarp usually with long, soft spines or bristles. Seeds oblong.

About 50 species: tropical Africa, two in China.

1 Leaves glabrous; corona lobes dark; follicles acuminate, long beaked   1 Gomphocarpus fruticosus
+ Leaves sparsely pubescent adaxially, hairy along midvein abaxially; corona lobes white; follicles blunt, beakless   2 Gomphocarpus physocarpus

Lower Taxa


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