栏目

蓝耳草Cyanotis vaga (Lour.) Schultes. et J. H. Schultes

蓝耳草Cyanotis vaga (Lour.) Schultes. et J. H. Schultes

别名:苍山贝母;鸭舌疝;鸡心贝母;土贝母;鸡冠参;尖贝母;苦籽;兰耳草;露水草;蜜蜂花;勾蛋贝;

科名:鸭跖草科 Commelinaceae

属名:蓝耳草属 Cyanotis

《中国植物志》第13(3)卷122页
  1.蓝耳草(广州植物志)土贝母(四川会东),苦籽(四川米易)图版30:1-2
  Cyanotis vaga (Lour.) Roem. et Schult., Syst. Veg. 7 (2) : 1153. 1830; C. B. Clarke in DC. Monogr. Phanerog. 3: 252. 1881; 广州植物物志 654. 1956; Hong in Acta Phytotax. Sin. 12 (4): 478. 1974; 中国高等植物图鉴5: 402. 图7634. 1975; 海南植物志 4: 77. 1977. ——Tradescantia vaga Lour., Fl. Cochinchin. 193. 1790.——Cyanotis nobilis Hassk. Commel. Ind. 148. 1870; C. B. Clarke, Commel. et Cyrt. Beng. tab. 39. 1874.——C. fasciculata auct. non Roem. et Schult. ; Benth. , Fl. Hongk. 378. 1861.——C. bulbosa Levl. in Fedde Repert. Sp. Nov. 11: 302. 1912. ——C. barbata D. Don, Prodr. Fl. Nep. 46. 1825.
  多年生披散草本,全体密被长硬毛,有的为蛛丝状毛,有的近无毛,基部有球状而被毛的鳞茎,鳞茎直径约1厘米。茎通常自基部多分枝,或上部分枝,或少分枝,长10-60厘米。叶线形至披针形,长5-10(15)厘米,宽0.3-1 (1.5)厘米。蝎尾状聚伞花序顶生,并兼腋生,单生,少有在顶端数个聚生成头状,具花序梗或无;总苞片较叶宽而短,佛焰苞状,苞片镰刀状弯曲而渐尖,长5-10毫米,宽约3毫米,两列,每列覆瓦状排列;萼片基部连合,长圆状披针形,顶端急尖,长近5毫米,外被白色长硬毛;花瓣蓝色或蓝紫色,长6-8毫米,顶端裂片匙状长圆形;花丝被蓝色绵毛。蒴果倒卵状三棱形,顶端被细长硬毛,长约2.5毫米,直径约3毫米。种子灰褐色,具许多小窝孔。花期7-9月,果期10月。
  产台湾、广东(广州)、香港、海南(东方)、贵州(清镇、兴仁、兴义)、四川(南川、甘洛、洪溪、美姑、越西、石棉、西昌、普格、会理、木里)、云南(屏边、保山、凤庆、昆明、嵩明、大理、鹤庆、碧江、片马、兰坪)、西藏(聂拉木、珠穆朗玛峰北坡附近的绒辖河谷、亚东、错那)。生于海拔3 300米以下的疏林下或山坡草地。尼泊尔、印度至越南、老挝、柬埔寨也有分布。模式标本采自越南(?)。

《Flora of China》 Vol. 24 (2000)
Cyanotis vaga  (Loureiro) Schultes & J. H. Schultes
蓝耳草   lan er cao
Tradescantia vaga Loureiro, Fl. Cochinch. 1: 193. 1790; Cyanotis barbata D. Don; C. bulbosa H. Léveillé; C. nobilis Hasskarl.
Herbs perennial, bulbiferous. Bulbs globose. Stems amply branched usually from base, or distally, or few branched, 10--60 cm. Leaves all cauline; leaf blade linear to lanceolate, 5--10(--15) cm × 3--10(--15) mm, abaxially glabrous or sparsely pubescent. Cincinni solitary, rarely terminal and also with flowers in axillary heads; peduncle present or absent; bracts 5--10 mm. Sepals connate at base, oblong-lanceolate, ca. 5 mm, abaxially white hirsute. Petals purple or blue-purple, 6--8 mm. Filaments blue lanate. Capsule obovoid, trigonous, ca. 2.5 mm, hirsutulous at apex. Seeds gray-brown, striate and finely reticulate. Fl. Jul--Sep, fr. Oct.
Forests or grassy slopes; near sea level to 3300 m. Guangdong (Guangzhou Shi), Guizhou, W Hainan (Dongfang Xian), S Sichuan, Taiwan, S Xizang, Yunnan [Bhutan, India, Laos, Myanmar, Nepal, Sikkim, Thailand, Vietnam].

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