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草地滨藜

中文学名:草地滨藜

拉丁学名:Atriplex oblongifolia

Waldst. et Kit.

界:植物界

门:被子植物门 Angiospermae

纲:双子叶植物纲 Dicotyledoneae

亚 纲:原始花被亚纲 Archichlamydeae

目:中央种子目 Centrospermae

科:藜科 Chenopodiaceae

亚 科:环胚亚科 Cyclolobeae

族:滨藜族 Atripliceae

属:滨藜属 Atriplex

草地滨藜(学名:Atriplex oblongifolia)为苋科滨藜属的植物。分布于哈萨克斯坦欧洲以及中国大陆的新疆等地,一般生长在山坡,目前尚未由人工引种栽培。 [1]

草地滨藜形态特征

一年生草本,高达1米。茎直立,下部圆柱形,无粉,黄白色,上部有明显的条棱及色条,有密粉;分枝多在茎的上部,斜伸。

叶片卵状三角形至披针形,长4-6厘米,宽1-3厘米,上面深绿色,几无粉,下面通常有粉,灰白色,先端短渐尖,基部宽楔形,中部茎生叶的边缘具不整齐锯齿,近基部的1对齿较大呈裂片状,茎下部和枝上部的叶全缘,或仅有近基部的1对齿;叶柄长5-12毫米。

花于枝上部排列成疏穗状花序;雄花花被绿色,裂片4或5,矩圆形,稍肉质,雄蕊与花被裂片同数,着生于花被基部,花药宽倒卵形,长约3毫米;雌花无柄,苞片全缘,有粉,仅近基部的边缘合生,子房扁,椭圆形,柱头丝形,长约3毫米;苞片果时卵形至卵状三角形,有密粉,长2-5毫米,全缘,先端急尖或钝。

胞果扁,近圆形,果皮膜质。种子二型,红褐色或黑色,直径1.5-2.5毫米,种皮膜质或壳质。

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].

草地滨藜生长环境

生长于山坡。

草地滨藜分布范围

产于新疆新源一带),分布于欧洲苏联哈萨克斯坦[2]

参考来源

  1. 草地滨藜, 植物智, 2020-01-18
  2. 中国植物志第25(1)卷