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FOC | Family List | FOC Vol. 16 | Apocynaceae

27. Pottsia Hooker & Arnott, Bot. Beechey Voy. 198. 1837.

帘子藤属 lian zi teng shu

Lianas woody, latex white. Leaves opposite. Cymes racemose or paniculate, 3-5-branched, terminal or axillary. Flowers usually small, 5-merous. Calyx deeply divided, with many basal glands inside. Corolla salverform, tube cylindric, throat narrowed, without scales, lobes overlapping to right. Stamens inserted at apex of corolla tube; filaments short; anthers exserted, sagittate, connivent at middle, adherent to pistil head, cells spurred at base; disc 5-parted. Ovaries 2, free, shorter than disc; ovules numerous in each ovary. Style thickened at middle or near base; pistil head ovoid or fusiform, apex short conical. Follicles 2, elongated, linear. Seeds linear, elongated, not beaked, apex comose; endosperm copious; cotyledons linear, flat, radicle superior.

About four species: SE Asia, two species in China.

1 Corolla ca. 7 mm, lobes spreading; style thickened at middle; ovary pilose   1 Pottsia laxiflora
+ Corolla ca. 13 mm, lobes reflexed; style thickened near base; ovary glabrous   2 Pottsia grandiflora

Lower Taxa


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