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

1. Crataegus pinnatifida Bunge, Mém. Acad. Imp. Sci. St.-Pétersbourg Divers Savans. 2: 11. 1833.

山楂 shan zha

Trees deciduous, to 6 m tall, with thorns 1–2 cm or sometimes unarmed. Branchlets purplish brown when young, grayish brown when old, terete, subglabrous or glabrous when young; buds purplish red, triangular-ovoid, glabrous. Stipules falcate, ca. 8 mm, herbaceous, margin serrate, apex acuminate; petiole 2–6 cm, glabrous; leaf blade dark green adaxially, broadly ovate or triangular-ovate, rarely rhomboidal-ovate, 5–10 × 4–7.5 cm, lateral veins 6–10 pairs, usually extending to apices of lobes and to sinuses between lobes, abaxially sparsely pubescent along veins, adaxially lustrous, base truncate or broadly cuneate, with 3–5 pairs of lobes, margin sharply irregularly doubly serrate, apex shortly acuminate. Corymb 4–6 cm in diam., many flowered; peduncle initially pubescent, glabrate, bracts caducous, linear-lanceolate, membranous, apex acuminate. Pedicel 4–7 mm, initially pubescent, glabrescent. Flowers ca. 1.5 cm in diam. Hypanthium campanulate, abaxially grayish white pubescent. Sepals triangular-ovate to lanceolate, 4–5 mm, both surfaces glabrous, apex shortly acuminate. Petals white, obovate or suborbicular, 7–8 × 5–6 mm. Stamens 20. Ovary 5-loculed, with 2 ovules per locule; styles 3–5, pubescent basally. Pome dark red, subglobose or pyriform, 1–2.5 cm in diam., glabrous; sepals persistent; pyrenes 3–5. Fl. May–Jun, fr. Aug–Sep. 2n = 34*, 102*.

Among shrubs, slopes, also cultivated; 100--2000 m. Hebei, Heilongjiang, Henan, Hubei, Jiangsu, Jilin, Liaoning, Nei Mongol, Shaanxi, Shandong, Shanxi, Xinjiang, Zhejiang [Korea].

1 Pedicel and peduncle glabrous.   1c var. psilosa
+ Pedicel and peduncle pubescent.   (2)
2 (1) Fruit small, 1–1.5 cm in diam.   1a var. pinnatifida
+ Fruit larger, ca. 2.5 cm in diam.   1b var. major

Lower Taxa


Related Objects  
  • Flora of China Illustrations vol. 9, fig. 51, 11-13
  • Illustration

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