异名:Arenaria aureocaulis C. Y. Wu ex L. H. Zhou (synonym)、Arenaria benthamii Edgew. (synonym)、Arenaria blinkworthii McNeill (synonym)、Arenaria glandulosa (Benth. ex G. Don) F. N. Williams (synonym)、Arenaria sikkimensis Majumdar (synonym)、Arenaria stellarioides C. Y. Wu ex L. H. Zhou (synonym)、Arenaria yunnanensis Franch. f. angustifolia F. N. Williams (synonym)、Lepyrodiclis debilis H. Ohba (synonym)、Lepyrodiclis glandulosa (Benth. ex G. Don) H. Ohba (synonym)、Odontostemma glandulosum Benth. ex G. Don (synonym)
Arenaria debilis Hook. f., Fl. Brit. Ind. 1: 242. 184; W. W. Smith in Rec. Bot. Surv. Ind. 4: 180. 1911 et l. c. 4: 357. 1913; K. Biswas, Pl. Darj. Sikk. Himal. 1: l6l. 1967; Hara et al., Enum. Flow. Pl. Napal 2: 51. 1979; 西藏植物志1: 682. 1983, p. p. excl. syn.——A. glandulosa (Benth. ex G. Don) Williams in Bull. Herb. Boiss. 5: 603. 1895 et in Journ. Linn. Soc. Bot. 33: 431. 1898, non Jacq. (1798) ; 中国高等植物图鉴补编1: 304. 1982. ——Odontostemma glandulosa Benth. (in Wall.Cat. 22. n. 645. 1892, nom. nud.) ex G. Don, Gen. Syst. 1: 4. 49. 1831. ——Arenaria benthamii Edgew. in Hook. f. Fl. Brit. Ind. 1: 242. 1874; W. W. Smith in Rec. Bot. Surv. Ind. 4: 356. 1913, non Fenzl (1840). ——A. yunnanensis Franch. f. angustifolic Williams in Journ. Linn. Soc. Bot. 33: 430. 1898 et l. c. 38: 402. 1909. ——A. blinkworthii McNeill in Not. Bot. Gard. Edinb. 24 (2): 128. 1962. ——A. sikkimensis Majumdar in Journ. Ind. Bot. Soc. 44: 141. 1965. ——Lepyrodiclis debilis (Hook. f.) Ohba in Ohashi, Fl. East. Himal. 3: 31. 1975. ——Arenaria aureocaulis C. Y. Wu ex L. H. Zhou in Icon. Corm. Sin. Suppl. 1: 304. 1982, in clavi, nom. nud.et Act. Biol. Plat. Sin. 6: 32. tab. 5. fig. 6-8. 1987 et l. c. 6: 31: fig. 1一5.1987, fide C. Y. Wu in herb. ——-A. stellarioides C. Y. Wu ex L. H. Zhou in Icon.Corm. Sin. Suppl. 1: 304. 1982, in clavi.
一、二年生草本,高30-60厘米,全株被多细胞紫色腺毛。根纺锤形或圆锥形。茎疏丛生或单生,黄色。叶片椭圆形或卵状椭圆形,长1-4厘米,宽 (0.5-) 1-2毫米,顶端急尖,基部楔形,两面被稀疏腺毛,下面中脉微凸起,茎下部叶具短柄,上部叶无柄。二歧聚伞花序具数花;苞片卵状披针形,长3-5毫米,被腺毛;花梗长1-2 (-3) 厘米,密被腺毛;萼片5,披针形,长5-6毫米,顶端钝尖,边缘狭膜质,外面密被腺毛;花瓣5,白色,倒卵形或倒卵状匙形,长7-8毫米,顶端缢状裂;雄蕊10,微露花萼外,花药淡黄色;子房卵圆形,花柱2,线形。蒴果卵形,与宿存萼等长或稍短,4裂;种子2-3粒,扁圆形,直径约2毫米,表面具细纹。花期7-8月,果期8-9月。
产云南西北部(维西、中甸、碧江、贡山、德钦)、西藏东南部(聂拉木、亚东、米林、错那、察隅)。生于海拔(2 500-) 3 200-4 500米的山坡草地、高山草甸及冷杉林缘灌丛中。印度、锡金、不丹、尼泊尔也有。模式标本采自锡金。
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