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大翅老虎刺 |
中文学名:大翅老虎刺 拉丁学名:Pterolobium macropterum 二名法:Pterolobium Wight et Arn. nom. conserv. 界:植物界 门:被子植物门 纲:木兰纲 亚 纲:蔷薇亚纲 目:豆目 科:云实科 族:云实族 属:老虎刺属 种:大翅老虎刺 |
大翅老虎刺(dà chì lǎo hǔ cì,学名 Pterolobium macropterum),攀援灌木;幼枝有条纹,疏被黄褐色毛,老枝无毛。产云南(元江、富宁、双柏)和海南。 [1]
大翅老虎刺形态特征
大型攀援性木质藤本;幼枝有条纹,疏被黄褐色毛;老枝光滑无毛,在叶柄基部具成对的黑色钩刺。
二回偶数羽状复叶;叶轴长8-10厘米;羽片4-6对,长8-10厘米;叶轴及羽轴均密被褐色短硬毛,具关节;小叶6-9对,对生,革质,斜长圆形,长1.5-2厘米,宽0.6-1厘米,顶端圆钝具凸尖或微凹,基部两侧不对称,两面无毛。
总状花序或圆锥花序顶生或腋上生;花序轴被毛,长10-15厘米;苞片锥形,早落,花梗长0.5-1厘米;
萼片5,不等,厚革质,光滑;花瓣白色,4片相同,长5毫米,倒卵形,最里面一片中部以下缩小成瓣柄,柄宽,具沟槽,瓣片边缘具纤毛,先端波状和耳形;
雄蕊10枚,等长,伸出,花丝长约8毫米,中部以下膨大和密被毛,花药长圆形,长约1毫米;子房稍被短柔毛,花柱光滑,丝状,柱头漏斗状,被纤毛,胚珠2颗。
荚果不开裂,长6-6.5厘米,翅歪斜,长4-4.5厘米,宽1.8-2厘米,含种子部分卵形。 [2]
Pterolobium indicum A. Richard var. macropterum (Kurz) Baker; P. sinense J. E. Vidal.
Climbers, woody, tall. Young branchlets striate, sparsely hairy; old branches glabrous, with blackish prickles in pairs at bases of petioles. Leaf rachis 8-10 cm; pinnae 4-6 pairs, 8-10 cm; rachis of leaves and pinnae densely brownish hispidulous, articulate; leaflets 6-9 pairs, opposite, obliquely oblong, 1.5-2 × 0.6-1 cm, leathery, both surfaces glabrous, base asym-metric, apex rounded, cuspidate, or emarginate. Racemes or panicles terminal or supra-axillary; rachis 10-15 cm, hairy; bracts subulate. Pedicels 5-10 mm. Sepals unequal, thickly leathery, smooth. Petals whitish, outer 4 equal, ca. 5 mm, ob-ovate, innermost one abruptly contracted into a broad claw from middle downward, blade ciliate on margin, apex undulate, auriculate. Stamens equal in length, exserted; filaments ca. 8 mm, inflated and densely hairy from middle downward; anthers oblong, ca. 1 mm. Ovary slightly puberulent, 2-ovuled; style filiform, glabrous; stigma funnel-shaped, ciliate. Legume inde-hiscent, 6-6.5 cm; wings oblique, 4-4.5 × 1.8-2 cm, part con-taining seed ovoid. Fr. May, Oct.
Dry thickets, forests, sunny slopes; 400-1600 m. Guangxi, Hai-nan, Yunnan [Bhutan, India, Indonesia, Laos, Malaysia, Myanmar, Thai-land, Vietnam].
大翅老虎刺生长环境
生于海拔450-1600米的坡地阳处,干旱灌丛中或林下。
大翅老虎刺分布地区
产云南(元江、富宁、双柏)和海南。缅甸、老挝、越南、马来西亚、印度尼西亚爪哇等热带地区有分布。 [3]
大翅老虎刺文献来源
Pterolobium macropterum Kurz(1873);Lecomte(1913);Craib(1928);豆科图说(1955)*;J.E.Vidal in A.Jean-F.Leroy(1980)*;云南种子植物名录(1984);Griers et Long(1987)*;中国植物志(1988)*. Pterolobium indicum A.Rich.var.macropterum(Kurz)Baker in Hook.f.(1878);P.sinense J.E.Vidal(1976).