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

62. Spiraea cavaleriei H. Léveillé, Repert. Spec. Nov. Regni Veg. 9: 321. 1911.

独山绣线菊 du shan xiu xian ju

Shrubs small. Branchlets slender, terete, pubescent; buds small, with several brown scales, apex acute or subobtuse. Petiole 2–4 mm, densely tomentose-pubescent; leaf blade broadly ovate or suborbicular, 1.5–2(–2.5) × 1–1.5 cm, abaxially densely gray tomentose-pubescent, adaxially puberulous when young, later glabrescent, base subrounded and prominently 3-veined, margin not lobed, coarsely and obtusely crenate above base, apex obtuse, sometimes mucronate. Umbels shortly pedunculate, 2–2.5 × 2.5–3 cm, 10–12-flowered, with small, bractlike leaves at base; pedicels 1–1.5 cm, glabrous; bracts linear to lanceolate, 2–4 mm. Flowers 7–8 mm in diam. Hypanthium campanulate, glabrous abaxially. Sepals triangular, 1.5–2.5 mm, apex acute to shortly acuminate. Petals white, suborbicular or obovate, 3–4 × 2.5–3.5 mm, glabrous,base shortly clawed, margin entire or slightly undulate. Stamens ca. 1/2 as long as petals or slightly shorter. Disk annular, 10-lobed. Styles shorter than stamens. Follicles divergent, pubescent apically; styles subterminal. Fl. Apr–Jun, fr. Jul–Sep.

Mountain regions. S Guizhou (Dushan Xian).


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