Pseudostellaria davidii (Franch.) Pax

Root tubers fusiform. Stems repent, decumbent, to 50 cm, slender, sparsely branched, with 2 lines of hairs. Leaves subsessile, petiole 3--5 mm; leaf blade ovate, 1.5--3 × 1--2 cm, base rounded, ciliate, apex acute. Chasmogamic flowers axillary; pedicel ca. 3.8 cm, slender, with 1 row of hairs; sepals 5, lanceolate, ca. 3 mm, abaxially pubescent at midvein; petals 5, narrowly obovate or oblanceolate, ca. 2 × as long as sepals, margin entire; stamens 10, shorter than petals; anthers purple; styles (2 or)3. Cleistogamic flowers axillary; pedicel ca. 1 cm, hairy; sepals 4, narrowly lanceolate, ca. 3 × 0.8--1 mm, pubescent; stamens reduced; styles 2. Capsule ovoid, slightly longer than sepals, 4-valved. Seeds reniform or subglobose, ca. 1.5 mm, mammillate with pointed projections. Fl. May--Jul, fr. Jul--Aug.

Anhui, Gansu, Guangxi, Hebei, Heilongjiang, Henan, Jilin, Liaoning, Nei Mongol, Qinghai, Shaanxi, Shandong, Shanxi, Sichuan, Xinjiang, Xizang, Yunnan, Zhejiang [Korea, Mongolia, Russia].

Mixed forests, brooksides, stony hillsides, forest margins; 1000--3800 m.

Krascheninikovia davidii Franchet, Pl. David. 1: 51. 1884; Stellaria davidii (Franchet) Hemsley.

Pseudostellaria davidii là loài thực vật có hoa thuộc họ Cẩm chướng. Loài này được (Franch.) Pax miêu tả khoa học đầu tiên năm 1934.

蔓孩儿参（学名：Pseudostellaria davidii）是石竹科孩儿参属的植物。分布于蒙古、俄罗斯、朝鲜以及中国大陆的安徽、甘肃、辽宁、吉林、河北、云南、浙江、山东、河南、黑龙江、陕西、青海、西藏、新疆、山西、内蒙古、四川等地，生长于海拔3,000米至3,800米的地区，一般生于溪旁、混交林、杂木林下以及林缘石质坡，目前尚未由人工引种栽培。