鱗根柳葉菜
鱗根柳葉菜 |
中文學名:鱗根柳葉菜 界:植物界 門:被子植物門 綱:雙子葉植物綱 亞 綱:薔薇亞綱 目:桃金娘目 科:柳葉菜科 屬:柳葉菜屬 組:柳葉菜組 |
鱗根柳葉菜,多年生直立草本,在地面下根狀莖頸部生出鱗根出條;鱗芽肉質,近球形,鱗葉次年生莖基部,革質,倒卵形,長5-8毫米。莖高23-30厘米,粗1.5-3毫米,不分枝,稀少分枝,稜線密生曲柔毛,其餘無毛。 [1]
目錄
鱗根柳葉菜形態特徵
葉對生,花序上的互生,草質,無柄,卵形,長2-3厘米,寬1-1.4厘米,先端銳尖至短漸尖,基部寬圓形,邊緣每邊具16-28枚銳鋸齒,側脈每側4-5條,脈上及邊緣疏生曲柔毛,其餘近無毛。
花序開花前稍下垂,被曲柔毛與腺毛;苞片葉狀,常長過子房中部。花在芽時稍下垂;花蕾狹卵狀,長3-5毫米;子房長1.2-1.8厘米,被曲柔毛與腺毛;花柄長3-6毫米;花管長0.7-0.9毫米,徑1.8-2毫米,喉部具一環長柔毛;
萼片披針狀長圓形,長3.5-4.5毫米,寬0.7-1.2毫米,疏被曲柔毛與腺毛,基部連接處常簇生長柔毛;花瓣玫瑰紫色,倒心形,長4.5-5.5厘米,寬2.5-3.5毫米,先端凹缺深0.7-1毫米;花葯寬卵狀,長0.5-0.6毫米,徑0.3-0.45毫米;花絲外輪的長2.5-3毫米,內輪的長1.5-2毫米;花柱長2.5-3毫米,直立,無毛;柱頭棍棒狀至近頭狀,長1-1.2毫米,徑0.7-0.9毫米,開花時伸出外輪花葯。
蒴果長4.5-6厘米;果梗長0.6-1.5厘米。種子狹倒卵狀,長0.9-1毫米,徑0.35-0.37毫米,頂端具短喙,淡褐色,表面具乳突;種纓白色,長5-6毫米,易脫落。[2]
花期7-8月,果期8-9月。
Epilobium gouldii Raven in Bull. Brit. Mus. (Nat. Hist.) Bot. 2: 371, pl. 35b. 1962, exclud. spec. King's collector146; 雲南植物志4: 172. 1986; 西藏植物志3: 362. 1986; C. J. Chen, Hoch & Raven, Syst. Bot. Monogr. 34: 149, fig. 54. 1992. Herbs perennial, erect, with rounded, fleshy turions that leave brown leathery basal scales. Stems often reddish green, 23-30 cm tall, strict, simple or scarcely branched, sparsely strigillose and glandular on inflorescence, otherwise glabrous except for raised strigillose lines decurrent from margins of petioles. Leaves herbaceous, sessile; cauline blade ovate, 2-3 × 1-1.4 cm, subglabrous except for sparsely strigillose margin and midvein, base broadly rounded, margin acutely serrulate with 16-28 teeth per side, apex acute to shortly acuminate. Inflorescence and flowers slightly nodding. Sepals 3.5-4.5 mm, sparsely strigillose with tufts of long spreading hairs at junctures of sepal bases. Petals rose-purple, 4.5-5.5 mm. Stigma clavate to subcapitate, entire. Capsules 4.5-6 cm, sparsely strigillose and glandular; pedicels 0.6-1.5 cm. Seeds light brown, 0.9-1 mm, papillose, with short chalazal collar; coma white, detaching easily. Fl. Jul-Aug, fr. Aug-Sep. Chromosome number unknown.
鱗根柳葉菜生長環境
生長於海拔3650-4350米高山草甸與材緣濕潤處。