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天目金粟蘭
鎖定
天目金粟蘭形態特徵
莖:多年生草本植物,無毛,高20~26Cm,根狀莖具多數淡黃色根鬚,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釐米,下部節上對生2鱗狀葉,後期脱落。
葉:葉對生,6片,生於莖上部,葉片紙質,長圓形或寬橢圓形,長5~8釐米,寬3~5.5釐米,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釐米;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釐米,苞片寬卵形;花小,白色,雄蕊3,3/4
以下合生,着生於子房上部外側,中央雄蕊有1個2室的花葯,兩側雄蕊花葯1室,偶有2室,藥隔長圓形,中央花葯長約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
天目金粟蘭生長環境
海拔1100米,生於山坡林下濕潤處。
天目金粟蘭分佈範圍
產自於天目山。
天目金粟蘭參考英文資料
Herbs perennial, 20-26 cm high, glabrous. Rhizomes with many pale yellow, fibrous roots. Stems erect, 1 or several in a fascicle, with 6 or 7 conspicuousnodes; 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;