Spiraea rosthornii E. Pritz.

Shrubs to 2 m tall. Branchlets spreading, yellow-brown turning gray-brown, pubescent when young, later glabrescent; buds long ovoid, nearly equaling petioles, with 2 scales, glabrous, apex acuminate. Petiole 5–7 mm, hairy; leaf blade abaxially gray-green, adaxially green, ovate-oblong to ovate-lanceolate, 2.5–5(–8) × 1–2(–3) cm, abaxially pubescent, more densely so on veins, adaxially pilose, base rounded to subtruncate, margin incised doubly serrate, apex acute or shortly acuminate. Corymbs terminal on lateral branchlets, compound, 6–10 × 7–11 cm, many flowered; rachis and pedicels pubescent; pedicels 5–7 mm; bracts ovate-lanceolate to linear-lanceolate, 5–8 mm, pubescent on both surfaces, base cuneate, margin with a few teeth, apex acute. Flowers 5–7 mm in diam. Hypanthium campanulate, ± pubescent abaxially. Sepals triangular, 1–2 mm, reflexed in fruit, apex acute. Petals white, ovate to suborbicular, 2–3.5 × 2–3 mm, glabrous, base shortly clawed, apex obtuse. Stamens ca. 20, longer than petals. Disk annular, 10-lobed; lobes broad, apex sometimes emarginate. Styles shorter than stamens. Follicles spreading, pubescent; styles terminal, divergent.

Anhui, Gansu, Hebei, Henan, Qinghai, Shaanxi, Sichuan, Yunnan.

Slopes in mixed forests, stream sides; 1000--3500 m.

Spiraea prattii C. K. Schneider.

Spiraea rosthornii là loài thực vật có hoa trong họ Hoa hồng. Loài này được E. Pritz. miêu tả khoa học đầu tiên năm 1900.

南川绣线菊（学名：Spiraea rosthornii）为蔷薇科绣线菊属下的一个种。