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Subfamily

Genera Incertae Sedis

Description

Climbing shrubs or small trees; leaves simple, decussate, opposite; inflorescence axillary and/or terminal, cymose, a dense to lax thyrse, flower white, scented; calyx 4-lobed, accrescent in fruit; corolla infundibular, zygomorphic, 4-lobed, lobes subequal; stamens 4, epipetalous, subequal, exserted, anthers ovate, thecae parallel, opening by longitudinal slits; pollen 3-colpate; style terminal; stigma lobes bifid; ovary 2-locular, locules 2-ovuled, ovules lateral; fruit dry, schizocarpic, globose, enclosed within inflated bladder-like calyx, translucent with reticulate veins; seed exalbuminous.  Six species, India to China and SE Asia.

Distribution

Native to:

36 China
40 Indian Subcontinent
41 Indo-China
83 Western South America

Publication

Hymenopyramis Wall. ex Griffith, Calcutta J. Nat. Hist. 3: 365 (1842).

Image resource

Royal Botanic Gardens, Kew

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