《中国植物志》|| 石竹科 CARYOPHYLLACEAE ||硬叶组 Sect. Sclerophyllae (Boiss.) McNeill ||裸茎老牛筋 Arenaria griffithii Boiss.

14. 裸茎老牛筋（新拟） 裸茎雪灵芝（中国高等植物图鉴补编）
Arenaria griffithii Boiss. , Diagn. Pl. Orient. 2 (1): 89. 1853 et Fl. Orient. 1: 697. 1867; Edgew. et Hook. f. in Hook. f. Fl. Brit. Ind. 1: 237. 1874; Williams in Journ. Linn. Soc. Bot. 33: 404. 1898; Schischk. et Knorr. in Kom. Fl. USSR 6: 536. 1936; Байтенов и Попов в Попов, Φπ. Каэахст. 3: 355. 1960; 中国高等植物图鉴补编1: 301. 1982.
多年生疏散垫状草本。主根长，具分枝。茎高5-20厘米，无毛，基部具枯萎叶基。叶密集，叶片线状钻形或钻形，长8-10毫米，宽约1毫米，顶端尖，边缘具缘毛，中脉在下面凸起。花1-3朵，呈聚伞花序；苞片卵形或卵状钻形，长约3毫米，宽约1.2毫米，边缘膜质；花梗长1-1.8厘米，无毛或多少被腺毛，直立或稍弯曲；萼片5，长圆状披针形，长3-5毫米，宽约2毫米，顶端尖，边缘膜质，外面脉不明显，无毛或被腺毛；花瓣5，白色，有时粉红色，倒卵形或卵状椭圆形，长为萼片的1.5-2倍，顶端钝圆；花盘具明显的5个腺体，子房卵形，长约3毫米，花柱3，长约3毫米。蒴果长圆形，长4-6毫米，3瓣裂，裂瓣顶端2裂；种子肾形，稍扁，直径约1毫米，棕色，光滑。花期6-7月。
产新疆（天山大牛河谷）。生于海拔2 200-3 000米的山地。阿富汗、哈萨克也有。模式标本采自阿富汗 Kuch-i-baba 山（海拔1 800米）。

《Flora of China》|| Caryophyllaceae || Arenaria ||裸茎老牛筋 Arenaria griffithii

14. Arenaria griffithii Boissier, Diagn. Pl. Orient. ser. 2, 1: 89. 1853.

裸茎老牛筋 luo jing lao niu jin

Herbs perennial. Principal roots many branched, robust. Stems sparsely clustered, 5--20 cm, glabrous, with withered, persistent leaves at base. Leaves crowded; leaf blade linear-subulate or subulate, 8--10 × ca. 1 mm, midvein raised abaxially, margin hairy, apex acute. Cymes 1--3-flowered; bracts ovate or ovate-subulate, ca. 3 × 1.2 mm, margin membranous. Pedicel 1--1.8 cm, glabrous or ± glandular hairy with erect or slightly curved hairs. Sepals 5, orbicular-lanceolate, 3--5 × ca. 2 mm, glabrous or glandular hairy, veins not obvious abaxially, margin membranous, apex acute. Petals 5, white, sometimes pink, obovate or ovate-elliptic, 1.5--2 × as long as sepals, apex obtuse. Floral disc with 5 impressed glands. Ovary ovoid, ca. 3 mm. Styles 3, ca. 3 mm. Capsule globose, 4--6 mm, 3-valved; valves 2-cleft at apex. Seeds brown, reniform, slightly flattened, ca. 1 mm in diam., smooth. Fl. Jun--Jul.

Mountains; 2200--3000 m. Xinjiang [Afghanistan, Kazakhstan].