All Floras      Advanced Search
Login | eFloras Home | Help
SCBG Checklist | Family List | Euphorbiaceae

Hevea Aubl.

橡胶树属

Description from Flora of China

Caoutchoua Gmelin; Siphonia Richard.

Trees, monoecious, with much milky latex. Leaves alternate, spirally arranged, or subopposite at apex of branches; stipules small, caducous; petiole long, glandular at apex; leaf blade palmately compound, usually 3-foliolate; leaflets entire, petiolulate. Inflorescence in axils of leaves or fallen leaves, many-flowered panicles of cymes, central flower of each cyme female, others male. Male flower: bud subglobose or ovate-globose; sepals 5-dentate or 5-lobed, lobes valvate; disk small, 5-lobed or dissected, rarely indehiscent; stamens 5-10; filaments connate into column longer than anthers; anthers sessile, in 1 or 2 series. Female flowers: sepals as in male; female disk dissected or obsolete; ovary 3-celled; ovules 1 per cell; styles usually absent; stigmas stout. Capsules large, usually 3-valved; epicarp subfleshy; endocarp woody. Seeds oblong-elliptic, maculate-striate; caruncle absent; cotyledon broad and flattened.

About ten species: Amazonian South America, one species widely cultivated throughout the tropics; one species (introduced) in China.

(Authors: Li Bingtao (李秉滔 Li Ping-tao); Gordon D. McPherson)

引种苗圃 Introducing Plants Nursery

Lower Taxon


 

Related Objects  

Flora of China  
  • Hevea.pdf
  • PDF

     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |