Tridynamia Gagnep.

Genus

Angiosperms > Solanales > Convolvulaceae

Characteristics

Lianas, ± tomentose-villous, glabrescent. Leaves simple, petiolate, cordate, rigidly papery or ± leathery, abaxially densely pubescent or glabrous; venation pedate. Inflorescences axillary (or terminal) bracteate racemes or panicles; bracteoles 3, sepal-like, basal to calyx. Flowers showy, fascicled. Sepals free, quincuncial, unequally enlarged, papery, with (7 or) 9 (or 11) longitudinal veins basally, veins prominent abaxially; outer 2 or 3 sepals greatly enlarged, inner ones slightly so. Corolla white or blue-violet, campanulate to broadly funnelform, 1-3.5(-5.5) cm; limb ± 5-lobed, outside pubescent apically, inside glabrous. Stamens included or exserted; filaments basally pilose or glabrous; anthers sagittate, versatile; pollen 3-colpate, not spiny. Disc 5-lobulate or absent. Pistil included or exserted; ovary unilocular; ovules 4. Style 1, threadlike; stigma 2-lobed, wrinkled. Fruit tightly enclosed in calyx, papery, indehiscent, apiculate. Seed 1, glabrous.
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Cultivation

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Distribution

Tridynamia world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:12028-1
WFO ID wfo-4000039121
COL ID 7ZVT
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Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Tridynamia

Lower taxons

Tridynamia spectabilis Tridynamia megalantha Tridynamia sinensis Tridynamia bialata