Description

Key Characters:

Growth Form: Lianas, dull yellow or grayish villous or sericeous, glabrescent.

Stems:

Roots:

Leaves: Leaves simple. Alternate. Blades cordate-ovate. Blade papery, surface rugulose, abaxially densely pubescent. Veins pedate or nearly palmate. Petiolate.

Flowers: Inflorescences axillary (or terminal) bracteate panicles; bracteoles 2, scalelike, basal to calyx. Pedicel filiform. Flowers tiny, often fragrant, fascicled. Flowers perfect. Sepals free, quincuncial, unequally enlarged, outer 3 greatly enlarged, inner 2 slightly so; midvein 1, secondary veins reticulate. Corolla white, ± funnelform, less than 8 mm; limb 5-lobed, outside villous apically, inside glabrous. Stamens included or exserted; anthers ellipsoid, longitudinally dehiscent. Pollen 3-colpate, not spiny. Ovary superior, unilocular, pistil included, ovules 4. Style simple (nearly absent in 1 species); stigma 2-globose.

Fruit: Fruit papery; indehiscent. Seeds 1 per fruit; smooth.

Ploidy:

Habitat:

Elevation Range: