草地濱藜檢視原始碼討論檢視歷史
| 草地濱藜 |
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中文學名:草地濱藜 拉丁學名:Atriplex oblongifolia Waldst. et Kit. 界:植物界 門:被子植物門 Angiospermae 綱:雙子葉植物綱 Dicotyledoneae 亞 綱:原始花被亞綱 Archichlamydeae 目:中央種子目 Centrospermae 科:藜科 Chenopodiaceae 亞 科:環胚亞科 Cyclolobeae 族:濱藜族 Atripliceae 屬:濱藜屬 Atriplex |
草地濱藜（學名：Atriplex oblongifolia）為莧科濱藜屬的植物。分布於哈薩克斯坦、歐洲以及中國大陸的新疆等地，一般生長在山坡，目前尚未由人工引種栽培。 [1]
草地濱藜形態特徵
一年生草本，高達1米。莖直立，下部圓柱形，無粉，黃白色，上部有明顯的條棱及色條，有密粉；分枝多在莖的上部，斜伸。
葉片卵狀三角形至披針形，長4-6厘米，寬1-3厘米，上面深綠色，幾無粉，下面通常有粉，灰白色，先端短漸尖，基部寬楔形，中部莖生葉的邊緣具不整齊鋸齒，近基部的1對齒較大呈裂片狀，莖下部和枝上部的葉全緣，或僅有近基部的1對齒；葉柄長5-12毫米。
花於枝上部排列成疏穗狀花序；雄花花被綠色，裂片4或5,矩圓形，稍肉質，雄蕊與花被裂片同數，着生於花被基部，花葯寬倒卵形，長約3毫米；雌花無柄，苞片全緣，有粉，僅近基部的邊緣合生，子房扁，橢圓形，柱頭絲形，長約3毫米；苞片果時卵形至卵狀三角形，有密粉，長2-5毫米，全緣，先端急尖或鈍。
胞果扁，近圓形，果皮膜質。種子二型，紅褐色或黑色，直徑1.5-2.5毫米，種皮膜質或殼質。
花果期8-10月。
Atriplex oblongifolia Waldst. et Kit. Pl. rar. Hung. 3: 278. t. 211. 1812; Reichb. Ic. Fl. Germ. 24: 133. t. 263. f. 1-10. 1909; Hegi, Ill. Fl. Mit.-Eur. 241. f. 522 e-h; Iljin in Act. Hort. Petrop. 43: 159. f. 260. 1930 et in Fl. URSS 6: 89, 1936; Aellen in Bot. Jahrb. 70 (1): 51. t. 3 E 1-2. 1939. ——A. patutum Boiss. Fl. Orient. 4: 909. 1879.——A. patula L. var. oblongifolia (Waldst. et Kit.) Westerl. in Linnaea 40: 169. 1876.——A. patula auct. non L.: Grubov, Pl. Asiae Centr. 2: 32. 1966. p. p.
Herbs annual, to 1 m tall. Stem erect, terete below, distinctly ribbed and colored striate above, densely furfuraceous, much branched above; branches obliquely spreading. Petiole 5-12 mm; leaf blade ovate-triangular to lanceolate, 4-6 × 1-3 cm, abaxially usually gray-white furfuraceous, base broadly cuneate, margin irregularly serrate on middle cauline leaves, with a pair of larger teeth near base, entire on lower and upper cauline leaves or with only 1 pair of teeth near base, apex shortly acuminate. Inflorescence laxly spikelike. Male flowers: perianth green, 4- or 5-parted; segments oblong, slightly fleshy; stamens 4 or 5; anthers broadly obovate, ca. 3 mm. Female flowers: ovary ellipsoid; stigmas filiform, ca. 3 mm. Fruiting bracts connate only near base, ovate to ovate-triangular, 2-5 mm, densely furfuraceous, margins entire, apex obtuse or acute. Utricle compressed subglobose; pericarp membranous. Seed red-brown or black, 1.5-2.5 mm in diam.; testa membranous or crustaceous. Fl. and fr. Aug-Oct.
Slopes. W Xinjiang; should be expected as naturalized in other parts of China [Asia, Europe, North America; also widely naturalized].
草地濱藜生長環境
生長于山坡。