31. Spiraea chinensis Maximowicz, Trudy Imp. S.-Peterburgsk. Bot. Sada. 6: 193. 1879.
中华绣线菊 zhong hua xiu xian ju
Shrubs 1.5–3 m tall. Branchlets arched, red-brown and yellow tomentose initially, black-brown and glabrous when old; buds ovoid, 2–5 mm, with several scales, pubescent, apex acute or obtuse. Petiole 4–10 mm, shortly tomentose; leaf blade adaxially dark green, rhombic-ovate to obovate, 2.5–6 × 1.5–3 cm, abaxially yellow tomentose, adaxially pubescent, veins prominent abaxially, deeply impressed adaxially, base broadly cuneate or rounded, margin deeply sharply incised serrate or inconspicuously 3-lobed, apex obtuse or acute. Umbels pedunculate, 16–25-flowered; pedicels 5–9 mm or more, tomentose; bracts linear, 2–5 mm, pubescent. Flowers 3–10 mm in diam. Hypanthium campanulate, puberulous abaxially. Sepals ovate-lanceolate, 2–3 × 1–2 mm, erect or rarely reflexed in fruit, apex shortly acuminate. Petals white, suborbicular, 2–5 mm, nearly as broad as long, apex obtuse or emarginate. Stamens 22–25, shorter than to nearly equaling petals. Disk undulate annular or irregularly lobed. Styles shorter than stamens. Follicles erect or spreading, wholly pubescent; styles terminal, erect or divergent. Fl. Mar–Jun, fr. Jul–Oct.
Thickets, slopes, open places, roadsides; 300--2000 m. Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Nei Mongol, Shaanxi, C Shandong, Shanxi, Sichuan, Yunnan, Zhejiang.
