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Subfamily

Genera Incertae Sedis

Description

Shrub; leaves opposite, petiolate, simple (ovate) or trifoliolate (leaflets ovate), serrulate to subentire; inflorescence of axillary cymes, long-pedunculate, with secund, monochasial branches, grading into a terminal paniculiform thyrse; calyx actinomorphic, accrescent, campanulate in flower, cup-shaped and essentially truncate in fruit, 5-lobed, lobes triangular, very short; corolla white with yellowish posterior lip, 2-lipped, 5-lobed (2/3), anterior lip with median lobe largest; stamens 4, didynamous (anterior pair longer), slightly exserted, thecae divaricate, confluent at dehiscence; pollen tricolpate, tectate-perforate, suprareticulate, columellae simple; ovary unlobed; stigma-lobes short, unequal; disc absent; fruit globose, indehiscent, breaking with pressure into 4 nutlets, these reticulately ridged, glabrous, glandular-punctate, abscission-scar lateral, as long as nutlet.  One species: G. siamensis H.R. Fletcher, forests in China (Yunnan), Thailand, and Indonesia.

Distribution

Native to:

36 China
41 Indo-China
42 Malesia

Publication

Garrettia H. R. Fletcher, Bull. Misc. Inform. 1937: 71 (1937).

Image resource

Royal Botanic Gardens, Kew

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