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长叶盐蓬 |
中文学名:长叶盐蓬 界:植物界 门:被子植物门 纲:木兰纲 目:石竹目 科:藜科 属:盐蓬属 种:长叶盐蓬 |
长叶盐蓬(cháng yè yán péng,学名:Halimocnemis longifolia)为盐蓬属的植物。 产奇台、玛纳斯、克拉玛依。 [1]
长叶盐蓬形态特征
植株高5-15厘米,灰绿色,密生短柔毛。多分枝,枝灰绿色,稍有棱。叶条形,半圆柱状。花单生苞腋,小苞片短于苞片;5片花被片披针形;雄蕊5,花药附属物宽卵形。胞果宽卵形。花果期6-8月。
长叶盐蓬 叶条形,半圆柱状,长2-5厘米,宽1.5-3毫米,直伸或稍弯曲,上面平或近基部具槽,下面凸,先端有黄褐色刺状尖,基部扩展并下延。
花单生苞腋,小苞片短于苞片,背面有纵隆脊,苞片及小苞片长于花被;5片花被片披针形,先端渐尖,膜质,背面有长柔毛,果时花被片结合体盔状,底面截平或微凹,有5条辐射状凸棱;雄蕊5,花药附属物宽卵形。胞果宽卵形。
Plants gray-green, 10-25 cm tall, densely pubescent. Stem much branched; branches ribbed. Leaves subhorizontally spreading, linear, straight or slightly curved, semiterete, 2-5 cm × 1.5-2 mm, abaxially convex, adaxially plane or sulcate near base, base expanded, decurrent, apex yellow-brown, subulate, shortly spinose mucronate. Bractlets shorter than bracts, but both distinctly longer than perianth, abaxially longitudinally keeled. Perianth tube hooded campanulate, basal surface plane or slightly concave, with 5 radial ribs; segments 5, lanceolate, membranous, abaxially villous, apex acuminate. Stamens 5; anthers basally free, narrowly oblong, 1.5-2 mm; appendage subsessile, broadly ovate, subequaling or broader than anther. Style terete; stigmas distinctly shorter than style, apex inflated. Utricle light yellow, broadly ovoid, 2.5-3 mm in diam. Fl. and fr. Jun-Aug.
长叶盐蓬生长环境
长叶盐蓬属, 分布在哈萨克斯坦以及中国大陆的新疆等地,生长于海拔500米至700米的地区,生于平原荒漠区的丘间沙地、湖边沙地、盐碱地及干山坡等。尚未由人工引种栽培。