必威电竞|足球世界杯竞猜平台

天目金粟蘭
來源:互聯網

天目金粟蘭,金粟蘭科金粟蘭屬,多年生、無毛草本,生于山坡林下濕潤處。

形態特征

莖:多年生草本植物,無毛,高20~26Cm,根狀莖具多數淡黃色根須,莖直立,單生或多數從生,有4~7個明顯的節,節間長0.6~3.5厘米,下部節上對生2鱗狀葉,后期脫落。

葉:葉對生,6片,生于莖上部,葉片紙質,長圓形或寬橢圓形,長5~8厘米,寬3~5.5厘米,先端突出,基部闊鍥形至鈍圓,邊緣有鋸齒,齒端具1腺體,側脈5~7對;葉柄長1~2厘米;鱗狀葉膜質,寬卵形;托葉針形。

花:穗狀花序從莖頂抽出,單一或二叉分支,連總華梗長2.8~4厘米,苞片寬卵形;花小,白色,雄蕊3,3/4

以下合生,著生于子房上部外側,中央雄蕊有1個2室的花藥,兩側雄蕊花藥1室,偶有2室,藥隔長圓形,中央花藥長約2毫米,與側藥隔等長或略長,藥室在藥隔中部。雌蕊具長4~7毫米的雌蕊柄,子房卵形,無花柱。

果實:果未見。

花期:5~6月

生長環境

海拔1100米,生于山坡林下濕潤處。

分布范圍

產自于浙江天目山

參考英文資料

Herbs perennial, 20-26 cm high, glabrous. Rhizomes with many pale 黃色, fibrous roots. Stems erect, 1 or several in a fascicle, with 6 or 7 conspicuous nodes; 6 internodes 0.6-3.5 cm, basal nodes with 1 pair of scalelike leaves. Scalelike leaves opposite, ovate, membranous, late deciduous. Leaves opposite, 6 on apical part of stems; stipules subulate; petiole 1-2 cm;

leaf blade oblong or broadly elliptic, 5-8 × 3-5.5 cm, papery, glandular mucronate, base broadly cuneate to obtuse, margin serrate, apex acute; lateral veins 5-7 pairs. Spikes at stem apex, dichotomously branched or unbranched, 2.8-4 cm with peduncles; bracts ovate. Flowers white. Stamens 3, basal 3/4 connate, on outside of apical part of ovary; connectives oblong; central

connective ca. 2 mm, nearly as long as lateral connectives or slightly longer, with a 2-loculed anther; lateral connectives with a 1(or 2)-loculed anther each;thecae at middle of connectives. Pistil with gynophore 4-7 mm; ovary ovoid; style absent; stigma capitate.

Fruit unknown.

Fl. May-Jun. Wet places in forests;

ca. 1100 m.Zhejiang

參考資料 >

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