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Subfamily

Genera Incertae Sedis

Description

Subshrub; stem prostrate, distally leafy; leaves opposite, petiolate, elliptical, crenate; inflorescence of axillary cymes, lax, long-pedunculate, with secund, monochasial branches; calyx actinomorphic, accrescent, campanulate in flower, urceolate in fruit, 5-lobed, lobes triangular; corolla white to yellowish, 2-lipped, 5-lobed (2/5), posterior lip deeply 2-lobed, anterior lip with median lobe much larger than lateral ones; stamens 4, didynamous (anterior pair longer), exserted, thecae divaricate, confluent at dehiscence; pollen tricolpate, tectate-perforate, suprareticulate, columellae simple to sparsely branched; ovary shallowly 4-lobed; stigma-lobes unequal; disc absent; nutlets obovoid, reticulately ridged, pubescent, abscission-scar lateral, 0.4-0.5x nutlet; endosperm present; embryo spathulate.  One species: Acrymia ajugiflora Prain, Malaya (Selangor), forest understory; endangered.

Distribution

Native to:

42 Malesia

Publication

Acrymia Prain, Bull. Misc. Inform. 1908: 114 (1908).

Image resource

Royal Botanic Gardens, Kew

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