All Floras      Advanced Search
FOC Vol. 9 Page 73 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 9 | Rosaceae

2. SIBIRAEA Maximowicz, Trudy Imp. S.-Peterburgsk. Bot. Sada. 6: 213. 1879.

鲜卑花属 xian bei hua shu

Gu Cuizhi (Ku Tsue-chih); Crinan Alexander

Sibiraea angustata

Credit: Harvard University Herbaria

Shrubs deciduous, polygamo-dioecious. Branches stout, terete; buds ovoid, scales alternate, purplish brown. Leaves alternate, exstipulate, subsessile, simple, midvein distinct, lateral veins in 3–5 pairs, margin entire. Inflorescence terminal, pedunculate, a dense, spikelike, many-flowered panicle; bracts lanceolate, margin entire. Flowers shortly pedicellate, small. Hypanthium shallowly campanulate. Sepals 5, erect, persistent in fruit, margin entire, apex acute. Petals 5, white, longer than sepals. Stamens 20–25, slightly shorter to slightly longer than petals, vestigial in female flowers. Carpels 5, connate at base. Follicles erect, long ellipsoid, dehiscent along whole adaxial suture and abaxially near apex. Seeds usually 2, rather large.

About four species: W China, Russia (Siberia); Europe; three species (two endemic) in China.

The species of Sibiraea are very similar and are sometimes all placed in S. laevigata.

1 Peduncle, pedicels, and leaf blades glabrous.   1 S. laevigata
+ Peduncle and pedicels pubescent to villous.   (2)
2 (1) Leaf blades narrowly lanceolate or oblanceolate, rarely long elliptic, glabrescent when old; peduncle and pedicels pubescent; petals white.   2 S. angustata
+ Leaf blades oblong-obovate to oblanceolate, abaxially densely tomentose; peduncle and pedicels villous; petals yellow-white.   3 S. tomentosa

Lower Taxa


Related Objects  
  • Sibiraea.PDF
  • PDF

    Flora of China @
    Browse by
    Advanced Search

    Flora of China Home




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