鳞根柳叶菜
鳞根柳叶菜 |
中文学名:鳞根柳叶菜 界:植物界 门:被子植物门 纲:双子叶植物纲 亚 纲:蔷薇亚纲 目:桃金娘目 科:柳叶菜科 属:柳叶菜属 组:柳叶菜组 |
鳞根柳叶菜,多年生直立草本,在地面下根状茎颈部生出鳞根出条;鳞芽肉质,近球形,鳞叶次年生茎基部,革质,倒卵形,长5-8毫米。茎高23-30厘米,粗1.5-3毫米,不分枝,稀少分枝,棱线密生曲柔毛,其余无毛。 [1]
目录
鳞根柳叶菜形态特征
叶对生,花序上的互生,草质,无柄,卵形,长2-3厘米,宽1-1.4厘米,先端锐尖至短渐尖,基部宽圆形,边缘每边具16-28枚锐锯齿,侧脉每侧4-5条,脉上及边缘疏生曲柔毛,其余近无毛。
花序开花前稍下垂,被曲柔毛与腺毛;苞片叶状,常长过子房中部。花在芽时稍下垂;花蕾狭卵状,长3-5毫米;子房长1.2-1.8厘米,被曲柔毛与腺毛;花柄长3-6毫米;花管长0.7-0.9毫米,径1.8-2毫米,喉部具一环长柔毛;
萼片披针状长圆形,长3.5-4.5毫米,宽0.7-1.2毫米,疏被曲柔毛与腺毛,基部连接处常簇生长柔毛;花瓣玫瑰紫色,倒心形,长4.5-5.5厘米,宽2.5-3.5毫米,先端凹缺深0.7-1毫米;花药宽卵状,长0.5-0.6毫米,径0.3-0.45毫米;花丝外轮的长2.5-3毫米,内轮的长1.5-2毫米;花柱长2.5-3毫米,直立,无毛;柱头棍棒状至近头状,长1-1.2毫米,径0.7-0.9毫米,开花时伸出外轮花药。
蒴果长4.5-6厘米;果梗长0.6-1.5厘米。种子狭倒卵状,长0.9-1毫米,径0.35-0.37毫米,顶端具短喙,淡褐色,表面具乳突;种缨白色,长5-6毫米,易脱落。[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; 云南植物志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.
鳞根柳叶菜生长环境
生长于海拔3650-4350米高山草甸与材缘湿润处。