All Floras      Advanced Search
FOC Vol. 10 Page 2, 320 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 10 | Fabaceae

137. Robinia Linnaeus, Sp. Pl. 2: 722. 1753.

刺槐属 ci huai shu

Trees or shrubs, all parts (excluding corolla) sometimes with glandular bristles. Buds only axillary. Stipules bristlelike or spinelike. Leaves imparipinnate; leaflet blades petiolulate and stipellate, margins entire. Racemes axillary, pendulous; bracts membranous, caducous. Calyx campanulate, 5-lobed, adaxial 2 lobes subconnate into an apical lip. Corolla white, pink, or rosy; petals stipitate; standard large, retroflexed; wings curved; keel incurved, blunt. Stamens diadelphous, 1 distinct from other 9 connate ones; anthers homomorphic, 2-loculed, longitudinally dehiscent. Ovary stipitate, many ovuled; style subulate, apically piliferous; stigma small, terminal. Legume compressed, narrowly winged along ventral suture, segments often with appressed bristles. Seeds oblong or obliquely reniform, strophiole absent.

Between four and ten species: North America and Central America; two species (both introduced) in China.

1 Branchlets, rachis, and pedicel with appressed adnate puberulence; stipulate spines present; leaflets oblong; corolla white; legume smooth.   1 R. pseudoacacia
+ Branchlets, rachis, and pedicel with appressed spiny hairs or glandular hairy; stipulate spines absent; leaflets oblong to suborbicular; corolla rosy; legume scabrous glandular hairy.   2 R. hispida

Lower Taxa


Related Objects  
  • Robinia (PDF)
  • PDF

    Flora of China @
    Browse by
    Advanced Search

    Flora of China Home




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