Chamaerhodos erecta (L.) Bunge

This species is used medicinally.

Herbs biennial or annual, villous and glandular hairy. Roots woody. Flowering stem solitary, rarely few and tufted, erect or arcuate-ascending, 20–50 cm tall, slightly woody at base, often branched in upper 1/2. Radical leaves in a dense rosette, usually withering in fruit; stipules leaflike, 3- or more sect; petiole 1–2.5 cm; leaf blade 1–2.5 cm, 2 times 3-parted, base cuneate; lateral lobes 2-sect, median one often 3-sect into 3–5-fid segments; ultimate segments or lobes linear, 1–2 mm, margin entire, apex obtuse; cauline leaves resembling radical ones but subsessile and 3-parted. Inflorescence terminal, cymose, repeatedly dichasially branching into a many-flowered panicle 1.5–3 cm in diam.; bracts and bracteoles 2- or 3-fid with linear lobes. Flowers 2–3 mm in diam.; pedicel long, slender, 3–6 mm. Hypanthium turbinate or campanulate, ca. 1 mm. Sepals ovate-lanceolate, 1–2 mm, apex acuminate. Petals pale pink or white, obovate, 2–3 mm, glabrous, base tapering into a cuneate claw, apex rounded. Stamens shorter than petals. Carpels 10–15, free; ovary ovoid or cylindric; style lateral-basal. Achenes dark brown, ovoid or cylindric, 1–1.5 mm, glabrous, smooth, apex mucronate. Fl. and fr. Jun–Aug.

Gansu, Hebei, Heilongjiang, Henan, Jilin, Liaoning, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shanxi, Xinjiang [Korea, Mongolia, Russia].

Mountain slopes, hills, dry sandy river banks; ca. 2500 m.

Sibbaldia erecta Linnaeus, Sp. Pl. 1: 284. 1753; Chamaerhodos micrantha J. Krause; C. songarica Juzepczuk.

Chamaerhodos nuttallii Pickering, sp. nov
Sibbaldia erecta Pursh, Fl. Am. Sept. 211. 1814. Not S. erecta U 1753.
bibbaldia erecta par viflor a Nutt. Gen. 1 : 207. 1818.
Chamaerhodos erecta Hook. Fl. Bor. Am. 1 : 196. 1832. Not C. erecta Bunge. 1829.
Chamaerhodos erecta Nuttallii T. & G. Fl. N. Am. 1 : 433. 1840.
Chamaerhodos Nuttallii Pickering: ; T. & G. Fl. N. Am. 1 : 433, as synonym. 1840.
Plant 1-3 dm. high, erect, branching and leafy, hirsute and glandular ; basal leaves numerous and rosulate, 2-4-ternately divided into linear or oblong divisions ; stem-leaves also numerous, similar but smaller and less divided ; inflorescence a many-flowered, often flat-topped panicle with ascending branches; pedicels erect or nearly so, even in fruit scarcely exceeding the flowers in length ; hypanthium 2-3 mm. in diameter, hispid ; sepals narrowly lanceolate, equaling or somewhat shorter than the white obovate-cuneate petals.
Type locality : Near the Mandan villages [Dakota] .
Distribution : From Saskatchewan to South Dakota, Wyoming, and Alaska.

Chamaerhodos erecta là loài thực vật có hoa trong họ Hoa hồng. Loài này được (L.) Bunge mô tả khoa học đầu tiên năm 1829.

地蔷薇（学名：Chamaerhodos erecta）为蔷薇科地蔷薇属的植物。分布于俄罗斯、蒙古、朝鲜以及中国大陆的黑龙江、山西、新疆、甘肃、内蒙古、辽宁、陕西、宁夏、青海、河北、吉林、河南等地，生长于海拔2,500米的地区，见于丘陵、山坡及干旱河滩，目前尚未由人工引种栽培。