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

16. Malus kansuensis (Batalin) C. K. Schneider, Repert. Spec. Nov. Regni Veg. 3: 178. 1906.

陇东海棠 long dong hai tang

Shrubs or small trees, 3–5 m tall; branchlets purplish brown or dark brown when old, terete, puberulous when young, glabrous when old; buds dark purple, ovoid; scales tomentose at margin. Stipules linear-lanceolate, 6–10 mm, herbaceous, sparsely pubescent, margin sparsely glandular denticulate, apex acuminate; petiole 1.5–4 cm, sparsely puberulous; leaf blade ovate or broadly ovate, 5–8 × 4–6 cm, abaxially sparsely puberulous or glabrous, base rounded or truncate, margin doubly serrulate, often 3-lobed, rarely irregularly or not lobed, apex acute or acuminate. Corymb 5–6.5 cm in diam., 4–10-flowered; bracts caducous, linear-lanceolate, membranous, margin entire, apex acuminate. Pedicel 2.5–3.5 cm, sparsely pubescent or glabrous. Flowers 1.5–2 cm in diam. Hypanthium campanulate, abaxially villous or glabrous. Sepals triangular-ovate or triangular-lanceolate, 5–6 mm, ca. as long as or slightly longer than hypanthium, abaxially glabrous, adaxially villous, margin entire, apex acuminate. Petals white, broadly obovate, 0.8–1 cm, base shortly clawed, apex rounded. Stamens 20, unequal, ca. 1/2 as long as petals. Styles (2 or)3(or 4), slightly longer than stamens, glabrous basally. Pome yellowish red, ellipsoid or obovoid, 1–1.5 cm in diam.; sepals caducous; fruiting pedicel 2–3.5 cm. Fl. May–Jun, fr. Jul–Aug. 2n = 34*.

Mixed forests, scrub; 1500--3300 m. Gansu, Henan, Hubei, ?Qinghai, Shaanxi, Sichuan.

This species is similar to Malus honanensis, which differs in its more lobed leaf margin, glabrous or sparsely villous corymb, and subglobose fruit often with a persistent calyx.

1 Pedicel and leaves abaxially sparsely puberulous, hypanthium villous outside.   16a var. kansuensis
+ Pedicel, hypanthium, and leaves abaxially glabrous.   16b var. calva

Lower Taxa


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