矮短紫金牛
細孔紫金牛 |
中文學名:矮短紫金牛 拉丁學名:Ardisia pedalis E. Walker 界:植物界 門:被子植物門 綱:雙子葉植物綱 目:報春花目 科:紫金牛科 亞 科:紫金牛亞科 屬:紫金牛屬 組:腋序組 |
矮短紫金牛 (拼音是ai duan zi jin niu,學名Ardisia pedalis E. Walker),亞灌木給50厘米高,有匍匐莖。[1]
目錄
形態特徵
小枝具角,1-2毫米直徑, 濃密和精確帶紅色具小乳突被絨毛,後脫落。
具溝的葉柄,0.8-1.5厘米,被微柔毛; 葉片橢圓形,倒披針形,或倒卵形,8-13(-14)和#215; 3-5.5(-7)厘米, 側脈約12在中脈每邊各,無的邊緣脈。
花序近傘形,單,腋生或側生,密被微柔毛; 在果期的花序梗約1厘米,2厘米。 花白色或紅色,5-6毫米花梗約1厘米,被微柔毛或脫落無毛。
萼片卵形或長圓狀卵形,約1.5毫米,疏生微柔毛或後脫落,具點,具緣毛的邊緣全緣或,先端鈍或銳尖。
花瓣狹卵形,5-6毫米,濃密具點,,先端微鈍。 雄蕊短於花瓣; 不背的花葯披針形,具點的或。
子房無毛 約的胚珠7,單列。 紅色,球狀的果,8-10毫米直徑, 具點,稀少肉。
Subshrubs to 50 cm tall, stoloniferous. Branchlets angular, 1-2 mm in diam., densely and minutely reddish papillose-tomentose, glabrescent. Petiole canaliculate, 0.8-1.5 cm, puberulent; leaf blade elliptic, oblanceolate, or obovate, 8-13 (-14) × 3-5.5(-7) cm, papery, puberulent especially on veins abaxially, densely punctate, base cuneate, decurrent, margin subentire to sparsely and shallowly crenate, apex acuminate or acute; lateral veins ca. 12 on each side of midrib, marginal vein absent. Inflorescences subumbellate, simple, axillary or lateral, densely puberulent; peduncle ca. 1 cm, 2 cm in fruit. Flowers white or red, 5-6 mm. Pedicel ca. 1 cm, puberulent or glabrescent. Sepals ovate or oblong-ovate, ca. 1.5 mm, sparsely puberulent or glabrescent, punctate, margin entire or ciliate, apex obtuse or acute. Petals narrowly ovate, 5-6 mm, densely punctate, glabrous, apex subobtuse. Stamens shorter than petals; anthers lanceolate, punctate or not dorsally. Ovary glabrous; ovules ca. 7, uniseriate. Fruit red, globose, 8-10 mm in diam., punctate, sparsely fleshy.
生長環境
Dense broad-leaved forests, hilly areas, rocky crevices, shady places, along streams; 100-1000 m. Guangxi [Vietnam]