長葉鹽蓬檢視原始碼討論檢視歷史
長葉鹽蓬 |
中文學名:長葉鹽蓬 界:植物界 門:被子植物門 綱:木蘭綱 目:石竹目 科:藜科 屬:鹽蓬屬 種:長葉鹽蓬 |
長葉鹽蓬(cháng yè yán péng,學名:Halimocnemis longifolia)為鹽蓬屬的植物。 產奇台、瑪納斯、克拉瑪依。 [1]
長葉鹽蓬形態特徵
植株高5-15厘米,灰綠色,密生短柔毛。多分枝,枝灰綠色,稍有棱。葉條形,半圓柱狀。花單生苞腋,小苞片短於苞片;5片花被片披針形;雄蕊5,花葯附屬物寬卵形。胞果寬卵形。花果期6-8月。
長葉鹽蓬 葉條形,半圓柱狀,長2-5厘米,寬1.5-3毫米,直伸或稍彎曲,上面平或近基部具槽,下面凸,先端有黃褐色刺狀尖,基部擴展並下延。
花單生苞腋,小苞片短於苞片,背面有縱隆脊,苞片及小苞片長於花被;5片花被片披針形,先端漸尖,膜質,背面有長柔毛,果時花被片結合體盔狀,底面截平或微凹,有5條輻射狀凸棱;雄蕊5,花葯附屬物寬卵形。胞果寬卵形。
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.
長葉鹽蓬生長環境
長葉鹽蓬屬, 分布在哈薩克斯坦以及中國大陸的新疆等地,生長於海拔500米至700米的地區,生於平原荒漠區的丘間沙地、湖邊沙地、鹽鹼地及干山坡等。尚未由人工引種栽培。