All Floras      Advanced Search
FOC Vol. 9 Page 102 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 9 | Rosaceae | Cotoneaster

41. Cotoneaster microphyllus Wallich ex Lindley, Bot. Reg. 13: t. 1114. 1827.

小叶栒子 xiao ye xun zi

Shrubs evergreen, , low, to 1 m tall, with stiff spreading branches. Branchlets reddish brown to blackish brown, terete, initially yellow pubescent, gradually glabrate. Petiole 1–2 mm to more than 4 mm, pubescent; stipules caducous, lanceolate or linear, nearly as long as petioles, slightly pubescent; leaf blade obovate to oblong-obovate, 4–10(–16) × 4–8 mm, thickly leathery, midvein raised abaxially and impressed adaxially, abaxially gray pubescent, rarely glabrous, adaxially glabrous or sparsely pubescent, base broadly cuneate, margin revolute, apex obtuse, rarely emarginate or ± acute. Inflorescences 1(–3)-flowered. Flowers 8–10 mm in diam. Pedicel 2–3 mm, sparsely pubescent. Hypanthium campanulate, abaxially pubescent at least initially. Sepals ovate-triangular, 1–1.5 mm and nearly as broad, apex obtuse. Petals spreading, white, suborbicular, ca. 4 mm and ca. as broad, base shortly clawed, apex obtuse. Stamens 15–20, shorter than petals. Ovary pubescent apically; styles 2, free, somewhat not exceeding stamens. Fruit scarlet-red, globose, 5–6(–10) mm in diam., pyrenes 2. Fl. May–Jun, fr. Aug–Sep. 2n = 34, 51, 68*, 102.

Rocks, slopes, high mountain areas, thickets, roadsides; 2000--4200 m. Sichuan, Xizang, Yunnan [Bhutan, India, Kashmir, Myanmar, Nepal, Sikkim].

Zhou & Wu (Acta Bot. Yunnan. 21: 160–166. 1999) treated the following varieties as synonyms of the species.

1 Leaves pubescent on both surfaces.   (2)
+ Leaves glabrous on both surfaces or only pubescent abaxially.   (3)
2 (1) Leaves obovate to oblong- obovate, 4–7 mm in diam.; petals white.   41a var. microphyllus
+ Leaves narrowly oblong or oblong-ovate to linear-lanceolate, 1.5–5(–7) mm in diam.; petals pinkish white.   41b var. thymifolius
3 (1) Leaves glabrous on both surfaces, rarely abaxially subglabrous, glabrescent, petioles 1–2 mm; petals pinkish; hypanthium and sepals abaxially initially sparsely pubescent, glabrescent.   41c var. glacialis
+ Leaves adaxially glabrous, abaxially grayish white pubescent; petioles 2–4 mm; petals white; hypanthium and sepals abaxially densely persistently long gray pubescent.   41d var. cochleatus

Lower Taxa


Related Objects  

Interactive Keys by Anthony Brach  
  • Image from Herbarium Specimen
  • Image/JPEG
  • Image from Herbarium Specimen
  • Image/JPEG

    Flora of China @
    Browse by
    Advanced Search

    Flora of China Home




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