灰毛地蔷薇 hui mao di qiang wei

Chamaerhodos corymbosa Muravjeva var. brevifolia Muravjeva.

Herbs perennial. Roots woody. Flowering stems many, tufted, erect or ascending, 10–30 cm tall, densely glandular pubescent and sparsely pilose at base, branched in upper 1/2. Radical leaves densely arranged; petiole 1.5–3 cm, long setose; leaf blade 1–1.5 cm, 2 times 3-parted, glandular hairy and gray setose, base cuneate; segments entire or 2- or 3-sect into 2- or 3-fid segments; ultimate lobes linear, 4–6 mm, margin entire, apex obtuse or acute; cauline leaves resembling radical ones but petiole ca. 5 mm and lateral segments usually entire, sometimes incised, central segment 3-fid into 2- or 3-lobed lobes. Inflorescence compact, compound, cymose, many flowered; peduncle and pedicels glandular hairy; bracts and bracteoles lanceolate, 5–10 mm, 2- or 3-parted into linear segments, glandular hairy. Flowers 2–3 mm in diam.; pedicel 2–4 mm. Hypanthium broadly campanulate, 2–3 mm, abaxially setose. Sepals lanceolate, ca. 2 mm, markedly 10-ribbed and setose, apex acuminate. Petals pale pink or white, obovate, 3–4 mm, glabrous, base tapering into a cuneate claw, apex emarginate. Filaments 1.5–2 mm, glabrous. Receptacle villous. Carpels 4–6, free; ovary glabrous; style filiform. Achenes black-brown, cylindric-ovoid, ca. 2 mm, glabrous, apex mucronate. Fl. Jun–Aug, fr. Aug–Oct.

Rocks on mountain slopes. Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol, Shanxi [Mongolia, Russia].