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Ostryopsis Decne.

虎榛子属

Description from Flora of China

Shrubs deciduous. Leaves alternate, petiolate, usually irregularly and doubly serrate or incised. Male inflorescence enclosed by buds during winter, subsessile, terminal or lateral, spicate-cymose, cylindric; bracts numerous, overlapping; each bract subtending 1 male flower; bracteoles absent; stamens 4-8, inserted at base of bracts; anthers with 2 connate thecae, without hairs at apex. Female inflorescence terminal or axillary, racemose-capitulate; bracts forming a tubular sheath, leathery, lobed at apex; flowers paired, enclosed by bracts. Nutlet ovoid-globose, with prominent ribs, completely enclosed by bracts.

* Two species: China.


 

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