仪花Lysidice rhodostegia

中文名(Chinese Name):仪花
学名(Scientific Name):Lysidice rhodostegia Hance
英文名(English Common Name):
别名(Chinese Common Name):单刀根,短萼仪花
异名(Synonym):Lysidice brevicalyx Wei
科属(Family & Genus):云实科,Caesalpiniaceae仪花属
形态特征(Description):灌木或小乔木,高2-5米,很少超过10米。小叶3-5对,纸质,长椭圆形或卵状披针形,长5-16厘米,宽2-6.5厘米,先端尾状渐尖,基部圆钝;侧脉纤细,近平行,两面明显;小叶柄粗短,长2-3毫米。圆锥花序长20-40厘米,总轴、苞片、小苞片均被短疏柔毛;苞片、小苞片粉红色,卵状长圆形或椭圆形,苞片长1.2-2.8厘米,宽0.5-1.4厘米,小苞片小,长2-5毫米,极少超过5毫米;萼管长1.2-1.5厘米,比萼裂片长1/3或过之,萼裂片长圆形,暗紫红色;花瓣紫红色,阔倒卵形,连柄长约1.2厘米,先端圆而微凹;能育雄蕊2枚,花药长约4毫米;退化雄蕊通常4枚,钻状;子房被毛,有胚珠6-9颗,花柱细长,被毛。荚果倒卵状长圆形,长12-20厘米,基部2缝线不等长,腹缝较长而弯拱,开裂,果瓣常成螺旋状卷曲;种子2-7颗,长圆形,长2.2-2.5厘米,宽1.2-1.5厘米,褐红色,边缘不增厚,种皮较薄而脆,表面微皱折,里面无胶质层。花期6-8月;果期9-11月。
分布(Distribution):产广东、广西、云南。生于海拔500米以下的山地丛林中,常见于灌丛、路旁与山谷溪边。
用途(Use):本种根、茎、叶有小毒,能散瘀消肿,止血止痛。可治跌打损伤,骨折,风湿关节炎,外伤出血等症。韧皮纤维可代麻。花美丽,是一优良的庭园绿化树种。
引自植物志英文版:FOC Vol. 10 Page 22
Lysidice rhodostegia Hance, J. Bot. 5: 299. 1867.
仪花 yi hua| Fabaceae  | Lysidice
Shrubs or small trees, 2-5 m tall, rarely more than 10 m tall. Petiolules short, 2-3 mm; leaflets oblong or ovate-lan­ceolate, 5-16 × 2-6.5 cm, papery, lateral veins subparallel, slender, evident on both surfaces, base rounded, apex caudate-acuminate. Panicles 20-40 cm; rachis, bracts, and bracteoles sparsely puberulent; bracts and bracteoles pink, ovate-oblong or elliptic, bracts 1.2-2.8 × 0.5-1.4 cm, bracteoles small, 2-5 mm. Calyx tube 1.2-1.5 cm, much longer than lobes (8-10 mm); lobes dark purplish red, oblong. Petals purplish red, broadly obovate, ca. 1.2 cm including claw, apex rounded, emarginate. Anthers ca. 4 mm; staminodes usually 4, subulate. Ovary hairy, 6-9-ovuled; style slender, hairy. Legume obovoid-oblong, 12-20 cm, sutures unequal in length, ventral suture longer and curved, dehiscent; valves often spirally twisted. Seeds 2-7, brownish red, oblong, 2.2-2.5 × 1.2-1.5 cm, margin not thickened; testa thinner and fragile, surface slightly wrinkled, inside without gelatin. Fl. Jun-Aug, fr. Sep-Nov. 2n = 24*.
Mountain slopes, jungles, among bushes, near roads, along valleys by streams; below 500 m. Guangdong, Guangxi (Longzhou), Guizhou, Yunnan [Vietnam; introduced in tropical Africa, the Caribbean, Central America, and United States (Florida)].
The roots, stems, and leaves are somewhat toxic. They are used medicinally to relieve pain from rheumatism and arthritis and for detumescence.
仪花Lysidice rhodostegia

仪花Lysidice rhodostegia

仪花Lysidice rhodostegia(责任编辑:徐晔春)

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