犁苞濱藜
| 犁苞濱藜 |
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中文學名:犁苞濱藜 拉丁學名:Atriplex dimorphostegia 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 |
犁苞濱藜（學名：Atriplex dimorphostegia）為藜科濱藜屬的植物。分布在伊朗、阿拉伯、哈薩克斯坦、烏茲別克斯坦、阿富汗以及中國大陸的新疆等地，多生在沙丘，目前尚未由人工引種栽培。 [1]
目錄
犁苞濱藜形態特徵
莖多條，外傾或斜升，無粉，蒼白色，有絹絲的光澤，有分枝；枝細瘦，上部通常稍有粉。
葉近無柄，葉片卵形至寬卵形，或心形，肥厚多汁，長1-2.5厘米，寬度與長度幾相等，全緣，先端渾圓，常有小尖頭，基部圓形至寬楔形，兩面均呈灰綠色，但下面常有密粉而帶灰白色。
花通常3-8朵簇生葉腋；雄花4-5基數；雌花的苞片果時心形或近圓形，僅基部邊緣合生，先端鈍或急尖，基部凹，邊緣有疏細牙齒，有粉，靠基部的中心部有3塊隆起的附屬物，緣部具清晰的綠色網狀脈；苞柄長2-3毫米，通常上端粗下端細。胞果卵形，果皮膜質，白色，與種子貼生。
種子扁，褐色，長約1.5毫米，無光澤。
Atriplex dimorphostegia Kar. et Kir. in Bull. Soc. Nat. Mosc. 15: 438. 1842; Moq. in DC. Prodr. 13 (2): 100. 1849; Boiss. Fl. Orient. 4: 909. 1879; Bunge in Act. Hort. Petrop. 6 (2) : 412. 1880; Ulbr. in Engl. u. Prantl. Pflanzenfam. 2 Aufl. 16c: 514. 1934; Iljin in Fl. URSS 6: 93. t. 4. f. 6. 1936; Aellen in Bot. Jahrb. 70 (1): 34. t. 2. f. H1-2. 1939.
Herbs annual, 15-30(-45) cm tall. Stem much branched; branches decumbent or obliquely spreading, not furfuraceous or upper part furfuraceous, lustrous sericeous. Leaves subsessile; leaf blade ovate, broadly so, deltoid, or cordate, succulent, 1-4(-5) × 1-3 cm, both surfaces gray-green, but abaxially often densely furfuraceous, base rounded to broadly cuneate, margin entire to shallowly irregularly sinuate-dentate, apex rounded, usually mucronulate. Inflorescences of axillary, usually 3-8-flowered glomerules. Male flowers 4- or 5-merous. Fruiting bracts connate only near base, cordate or suborbicular, furfuraceous, basal central part with prominent appendages, base emarginate, margins sparingly dentate, with green, reticulate veins, apex obtuse or acute; pedicel stout, 2-3 mm, usually thinner at base. Utricle ovoid; pericarp white, membranous, adnate to seed. Seed brown, not lustrous, compressed, ca. 1.5 mm. Fl. and fr. May-Jul.
犁苞濱藜生長環境
生長於沙丘。