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两粤黄檀Dalbergia benthamii

时间:2018-08-13 20:30来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):两粤黄檀 学名( Scientific Name ): Dalbergia benthamii Prain 英文名( English Common Name ): 别名( Chinese Common Name ): 岭南黄檀,两粤檀,藤春 异名( Synonym ): Dalbergia benthami Prain 科属( Family Ge
中文名(Chinese Name):两粤黄檀
学名(Scientific Name):Dalbergia benthamii Prain
英文名(English Common Name):
别名(Chinese Common Name):岭南黄檀,两粤檀,藤春
异名(Synonym):Dalbergia benthami Prain
科属(Family & Genus):蝶形花科,Fabaceae黄檀属
形态特征(Description):藤本,有时为灌木。枝长,干时黑色。羽状复叶长12-17厘米;叶轴、叶柄均略被犬贴微柔毛;小叶2-3对,近革质,卵形或椭圆形,长3.5-6厘米,宽1.5-3厘米,先端钝,微缺,基部楔形,上面无毛,下面干时粉白色,略被伏贴微柔毛。圆锥花序腋生,长约4厘米,径约2.5厘米;总花梗极短,与花梗同被锈色茸毛;花长约8毫米,芳香;基生小苞片长圆形,脱落,副萼状小苞片披针形,先端钝,宿存;花萼钟状,外面被锈色茸毛,萼齿近相等,卵状三角形,先端钝;花冠白色,各瓣具长柄,旗瓣椭圆形,先端微缺,外反,与瓣柄成直角,基部两侧具短耳,翼瓣倒卵状长圆形,一侧具内弯的耳,龙骨瓣近半月形,内侧具耳,瓣柄与花萼等长;雄蕊9,单体;子房无毛,具长柄,有胚珠2-3粒,花柱锥状。荚果薄革质,舌状长圆形,长5-7.5厘米,宽1.5厘米,有种子1-2粒;种子肾形,扁平,长约11毫米,宽约5毫米。花期2-4月。
分布(Distribution):产广东、海南、广西。生于疏林或灌丛中,常攀援于树上。越南也有分布。模式标本采自香港。
用途(Use):
引自植物志英文版:FOC Vol. 10 Page 122, 126
Dalbergia benthamii Prain, J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 67: 289. 1898.
两粤黄檀 liang yue huang tan | Fabaceae  | Dalbergia
Climbing shrubs, large, occasionally erect. Branches black, long, glabrous. Leaves 12-17 cm; rachis and petioles appressed puberulent; leaflets 5-7, ovate or elliptic, 3.6-6 × 1.5-3 cm, subleathery, abaxially glaucous and minutely appressed puberu­lent, adaxially glabrous, base cuneate, apex obtuse, emarginate. Panicles axillary, ca. 4 × 2.5 cm; short peduncle and slender pedicels ca. 2.5 mm, rusty tomentose. Flowers ca. 8 mm, fra­grant; bracts deciduous, oblong; bracteoles persistent, lan­ceolate. Calyx campanulate, outside rusty tomentose; teeth subequal, ovate-triangular, obtuse. Corolla white; petals long clawed; standard reflexed, elliptic, base shortly auriculate, emarginate; wings obovate-oblong, incurved auriculate on upper side below as keel; keel half-moon-shaped, with claws ca. as long as calyx. Stamens 9, monadelphous. Ovary long stipitate, glabrous, 2- or 3-ovuled; style subulate. Legume lig­ulate-oblong, 5-7.5 × ca. 1.5 cm, thinly leathery, 1- or 2-seeded. Seeds reniform, compressed, ca. 11 × 5 mm. Fl. Mar-Jun, fr. Jul-Oct.
Sparse forests, among bushes, climbing on trees; 100-700 m. Guangdong, Guangxi, Guizhou, Hainan, Taiwan [Vietnam].


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