峨眉點地梅檢視原始碼討論檢視歷史
峨眉點地梅 |
中文名:峨眉點地梅 拉丁學名:Androsace paxiana R. Knuth 界:植物界 門:被子植物門 綱:雙子葉植物綱 目:堇菜目 科:報春花科 屬:點地梅屬 |
峨眉點地梅(é méi diǎn dì méi),學名:Androsace paxiana R. Knuth,異名:Androsace henryi var. omeiensis ,是報春花科點地梅屬植物,一年生或二年生草本,全株被細柔毛。 [1]
峨眉點地梅形態特徵
多年生草本。根狀莖短,單一或偶有分枝,具少數粗根及纖維狀鬚根。葉叢生根莖端,葉片圓形,稀腎圓形,直徑1.5-4厘米;
基部淺心形,邊緣具波狀圓齒,近革質,上面被貼伏的短硬毛,下面毛較長且密,老時脫落,兩面均近於無毛,葉脈不明顯;葉柄稍堅硬,圓柱狀,與葉片等長或長於葉片1.5-3倍,被開展的疏柔毛。
花葶通常2-4枚自葉叢中抽出,直立,較葉柄纖細,除基部外,被向上的伏毛;傘形花序8-14花;苞片線形,長3-4毫米;花梗纖細,長6-15毫米,被小伏毛;
花萼狹鍾狀,長2.5-4毫米,分裂近達中部,裂片卵狀三角形,先端稍鈍,外面被伏毛,邊緣具緣毛,果期變無毛,具明顯的3-5縱脈;花冠白色,直徑6-7.5毫米;
裂片倒卵狀長圓形,先端微凹或淺心形。蒴果倒卵形,短於宿存花萼。花期4-5月;果期6月。
Herbs perennial. Leaves basal; petiole rigid, terete, 1--3 X as long as leaf blade, spreading pubescent; leaf blade orbicular, rarely reniform, 1.5--4 cm wide, subleathery, abaxially densely strigillose with longer hairs, glabrescent, adaxially minutely strigillose, base shallowly cordate, margin undulate-crenate; veins inconspicuous.
Scapes erect, usually 2--4 X as long as leaf blade, with upward appressed bristlelike hairs; umbels 8--14-flowered; bracts linear, 3--4 mm. Pedicel 0.6--1.5 cm, minutely strigillose. Calyx narrowly campanulate, 2.5--4 mm, sparsely appressed pubescent, parted to ca. 1/2; lobes ovate-triangular, ciliate, apex subobtuse; veins 3--5, distinct. Corolla white or tinged with red, 5--8 mm in diam.; lobes obovate-oblong, emarginate. Fl. Apr-May.
峨眉點地梅生長環境
峨眉點地梅生長於海拔1000-1400米山坡林緣。
峨眉點地梅分布範圍
分類文獻
Androsace paxiana R. Knuth in Engl. Pflanzenr. 22 (IV-237): 176. 1905; Hand. -Mazz. in Not. Roy. Bot. Gard. Edinb. 15: 270. 1927. ——Androsace henryi var. omeiensis R. Knuth l. c. 176. 1905.