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FOC | Family List | FOC Vol. 9 | Rosaceae | Pyrus

14. Pyrus pashia Buchanan-Hamilton ex D. Don, Prodr. Fl. Nepal. 236. 1825.

川梨 chuan li

Trees to 12 m tall, with branches often armed. Branchlets purplish brown or dark brown when old, terete, lanate when young, glabrous when old; buds ovoid, apex obtuse; scales puberulous along margin. Stipules caducous, linear-lanceolate, 4–8 mm, membranous, adaxially pubescent, margin entire, apex acuminate; petiole 1.5–3 cm, initially pilose, soon glabrescent; leaf blade ovate or narrowly ovate, rarely elliptic, 4–7 × 2–5 cm, tomentose when young, glabrescent, base rounded, rarely broadly cuneate, margin obtusely serrate, apex acuminate or acute. Raceme umbel-like, 7–13-flowered; peduncle initially tomentose, glabrescent; bracts caducous, linear, 8–10 mm, membranous, both surfaces tomentose, margin entire, apex acuminate. Pedicel 2–3 cm, initially tomentose, glabrescent. Flowers 2–5 cm in diam. Hypanthium cupular, abaxially tomentose. Sepals triangular, 3–6 mm, both surfaces tomentose, margin entire, apex acute, acuminate, or obtuse. Petals white, obovate, 8–10 × 4–6 mm, base shortly clawed, apex rounded. Stamens 25–30, slightly shorter than petals. Ovary 3–5-loculed, with 2 ovules per locule; styles 3–5, nearly as long as stamens, glabrous. Pome brown, with pale dots, subglobose, 1–1.5 cm in diam.; sepals caducous; fruiting pedicel 2–3 cm, subglabrous. Fl. Mar–Apr, fr. Aug–Sep. 2n = 34*.

Valleys, among shrubs; 600--3000 m. Guizhou, Sichuan, Xizang, Yunnan [Bhutan, India, Kashmir, Laos, Myanmar, Nepal, W Pakistan, Sikkim, Thailand, Vietnam].

This tree is cultivated in Yunnan, and is often used as stock for grafting pear cultivars.

1 Leaves and inflorescence glabrous.   14c var. kumaoni
+ Leaves and inflorescence pubescent at least when young.   (2)
2 (1) Flowers large, ca. 3 cm in diam., young leaves, petiole, pedicel, and sepals adaxially rusty tomentose.   14d var. grandiflora
+ Flowers smaller, 2–2.5 cm in diam., sepals on both surfaces and leaves initially tomentose.   (3)
3 (2) Sepals apically acute; branchlets and inflorescence lanose.   14a var. pashia
+ Sepals apically obtuse, rarely acute or acuminate; branchlets and inflorescence tomentose.   14b var. obtusata

Lower Taxa


Related Objects  
  • Flora of China Illustrations vol. 9, fig. 76, 8-11
  • Illustration

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