All Floras      Advanced Search
FOC Vol. 9 Page 82 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 9 | Rosaceae

8. EXOCHORDA Lindley, Gard. Chron. 1858: 925. 1858.

白鹃梅属 bei juan mei shu

Gu Cuizhi (Ku Tsue-chih); Crinan Alexander

Shrubs deciduous. Branches spreading; branchlets angled, glabrous; buds ± ovoid, with several imbricate scales, glabrous or subglabrous, apex obtuse or acute. Leaves petiolate; stipules absent or small and caducous; leaf blade simple, margin entire or serrate. Inflorescence a terminal raceme. Flowers rather large, more than 2 cm in diam. Hypanthium shallowly campanulate. Sepals 5, very short and broad. Petals 5, imbricate, white, oblong to broadly obovate, base attenuate into a claw. Stamens 15–30; filaments borne on margin of large disk, short. Carpels 5, connate; ovary superior, deeply furrowed, 5-loculed; styles free. Fruit a capsule, obconic, 5-angled, dehiscent along both sutures. Seeds 1 or 2, oblate, winged.

About four species: C and E Asia; three species (two endemic) in China.

1 Leaf blades serrate above middle.   3 E. serratifolia
+ Leaf blades mostly entire, occasionally serrate at apex.   (2)
2 (1) Pedicels 3–5 mm; petals with short claws; stamens 15–20; petiole 5–15 mm or nearly absent.   1 E. racemosa
+ Pedicels short or nearly absent; petals with long claws; stamens 25–30; petiole 15–25 mm.   2 E. giraldii

Lower Taxa


Related Objects  
  • Exochorda.PDF
  • PDF

    Flora of China @
    Browse by
    Advanced Search

    Flora of China Home




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