All Floras      Advanced Search
FOC Vol. 10 Page 2, 22, 24 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 10 | Fabaceae

6. Hymenaea Linnaeus, Sp. Pl. 2: 1192. 1753.

孪叶豆属 luan ye dou shu

Authors: Dezhao Chen, Prof. Dianxiang Zhang, Kai Larsen & Supee Saksuwan Larsen

Trachylobium Hayne.

Trees. Leaves with 1 pair of leaflets; stipules caducous; leaflets paired, thickly leathery, entire, often translucent glandular punctate, with short petiolules or subsessile. Flowers white, in terminal panicles or corymbose panicles; bracts and bracteoles caducous, ovate or orbicular, concave. Calyx tubular, solid in lower part, expanded and campanulate or turbinate in upper part; lobes 4, thickly leathery, imbricate. Petals 3 or 5, clawed or sessile, subequal in size or lower 2 small and squamose. Stamens 10, all perfect, free; filaments glabrous or hairy at base; anthers oblong, dorsifixed, cells opening lengthwise. Ovary shortly stalked, stalk adnate to calyx tube, glabrous or hairy, few ovuled; style filiform; stigma terminal, small. Legume drupelike, obliquely obovoid or oblong, thickly leathery or woody, rough and tuberculate, not dehiscent. Seeds few, of various shapes; testa hard, bony, without endosperm and aril; cotyledons thickened, fleshy; radicle short, straight.

About 26 species: tropical America and Africa; two species (both introduced) in China.

1 Petals narrowly ovate, sessile or subsessile, subequal in size; legume rough, without tubercles on surface; petiolules obscure.   1 H. courbaril
+ Petals suborbicular, clawed, unequal (2 petals smaller, squamose) or subequal in size; legume tuberculate on surface; petiolules conspicuous, ca. 3 mm.   2 H. verrucosa

Lower Taxa


Related Objects  
  • Hymenaea (PDF)
  • PDF

    Flora of China @
    Browse by
    Advanced Search

    Flora of China Home




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