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44. Sopubia Buchanan-Hamilton ex D. Don, Prodr. Fl. Nepal. 88. 1825.

短冠草属 duan guan cao shu

Herbs, mostly annual. Stem branches opposite, rarely 3 in a whorl apically. Leaves entire or dissected. Flowers in terminal racemes or panicles, bracteate. Bracts foliaceous. Calyx campanulate, 5-lobed. Corolla lobes 5, spreading; lower lobes 2, inner in bud. Stamens 4, didynamous, included; anther locules 2 per stamen, 1 fertile, 1 reduced and empty. Stigma subligulate. Capsule ovoid to oblong, apex rounded or compressed, emarginate or deeply concave, loculicidal; valves not divided or shallowly lobed, separating from placental axis. Seeds numerous; seed coat loose.

About 40 species: Africa, tropical to subtropical E Asia; two species in China.

Sopubia stricta G. Don has been reported from the coast of Guangdong, but we have not seen Chinese specimens.


1 Corolla tube ca. 3 mm; calyx lobes woolly inside, sinuses sharply angled; capsule glabrous, almost as long as or shorter than persistent calyx; pedicel ca. 10 mm   1 Sopubia trifida
+ Corolla tube ca. 7 mm; calyx lobes glabrous inside, sinuses rounded; capsule hispidulous, much longer than persistent calyx; pedicel 1.5-2 mm or flower subsessile   2 Sopubia lasiocarpa

Lower Taxa


 

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