锈脉蚊子草 xiu mai wen zi cao

Spiraea vestita Wallich ex G. Don, Gen. Hist. 2: 521. 1832; S. camtschatica Pallas var. himalensis Lindley.

Plants 0.7–1.5 m tall. Stems sulcate, ferrugineous pubescent. Radical leaves: stipules semicordate, large, herbaceous, margin doubly serrate; petiole ferrugineous pubescent; leaf blade lyrately pinnate, with 3–5 pairs of leaflets and intercalary segments, abaxially densely grayish white or brownish tomentose, densely ferrugineous pubescent on veins, adaxially subglabrous or sparsely pubescent; terminal leaflet usually palmately 3–5-lobed, rather large, lobes ovate, margin doubly serrate or inconspicuously lobed, apex acute to acuminate; lateral leaflets small. Inflorescence terminal, paniculate. Flowers bisexual, 5–6 mm in diam.; pedicel densely tomentose. Sepals ovate, abaxially sparsely pilose and tomentose, apex subobtuse or acute. Petals white, obovate. Achenes sessile, strigose-ciliate along abaxial and adaxial sides. Fl. and fr. May–Aug.

2Alpine meadows, river banks; 3000--3200 m. Yunnan [Afghanistan, Kashmir, Nepal].