線葉粟米草
線葉粟米草 |
中文學名:線葉粟米草 界:植物界 門:被子植物門 綱:雙子葉植物綱 亞 綱:原始花被亞綱 目:中央種子目 科:番杏科 屬:粟米草屬 種:線葉粟米草 |
線葉粟米草,為番杏科、粟米草屬的一種一年生小草本,根細,單一。[1]
目錄
線葉粟米草形態特徵
一年生小草本,高7-8厘米,無毛。根細,單一。莖多數,細挺,斜升,基部多葉包圍成蓮座狀。葉3-10片假輪生,葉片灰綠色,線形,長5-10毫米,寬0.3-0.5毫米,頂端尖頭,無柄。
3花成聚傘花序,傘狀,頂生或腋生;花梗細挺,長7-8毫米;花被片5,橢圓形至長圓形,頂端鈍,長2-2.5毫米,邊緣白色,膜質,中間綠色;雄蕊3-5,短於花被片;花柱3,短小。
蒴果寬橢圓體形,與花被片等長或稍短;種子多數,細小,褐色,稍有光澤,近半圓形,有細網紋。花期6-7月 。
Herbs small, to 8 cm. Root thin. Stems numerous, ascending, thin, stiff. Leaves sessile, basal leaves in a rosette; cauline leaves in pseudowhorls of 3-10, gray-green, linear, 5-10 × 0.3-0.5 mm, apex acute. Inflorescences terminal or seemingly axillary, trichotomous umbellate cymes. Pedicel 7-8 mm, thin, stiff. Tepals 5, elliptic to oblong, 2-2.5 mm, midvein green, margin white membranous. Stamens 3-5, shorter than tepals. Styles 3, short. Capsule broadly ellipsoid, ca. as long as tepals or slightly shorter. Seeds numerous, brown, slightly shiny, D-shaped, ca. 0.2 mm, reticulate. Fl. Jun-Jul. 2n = 18.
Dry sands, roadsides, shady and wet fields; 400-1200 m. Hebei, Xinjiang [India, Kazakhstan, Mongolia, Myanmar, Sri Lanka; Africa, S to SE Asia, Australia, S Europe].
This species is used medicinally. It is a very inconspicuous and easily overlooked ephemeral.
線葉粟米草產地生境
生長於海拔500-1 150米乾旱沙地或路邊田間陰濕處。
線葉粟米草分布範圍
線葉粟米草主要價值
斯里蘭卡用作退燒藥。