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Vernicia Lour.

油桐属

Description from Flora of China

Dryandra Thunberg.

Trees, monoecious or dioecious; indumentum of simple or T-shaped hairs, often sparse. Leaves alternate, simple; stipules caducous; petiole long, with 2 adaxial glands at apex; leaf blade entire, palmately veined. Inflorescence terminal, much branched, thyrsoid, cymules of bisexual inflorescences each with several male flowers and a terminal female flower; bracts inconspicuous. Male flowers: buds ovoid or subglobose; calyx ± spatheate, ± regularly 2- or 3-lobed; petals 5, white or reddish white to purple, base clawed; disk segments 5, subulate; stamens 8-12, in 2 series; outer filaments free, inner ones longer and connate at base. Female flowers: sepals and petals as in male; disk obscure or absent; ovary densely pubescent, 3(-8)-locular; ovules 1 per locule; styles 3-5, bifid. Fruit a drupe, large, subglobose, beaked at apex, indehiscent or slightly dehiscent at base, 3-seeded; exocarp crustaceous. Seed without caruncle; seed coat woody.

Three species: Myanmar to Indonesia, China, Japan; two species in China.

(Authors: Li Bingtao (李秉滔 Li Ping-tao); Michael G. Gilbert)


 

Related Objects  

Flora of China  
  • Vernicia.pdf
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