东京油楠Sindora tonkinensis

中文名(Chinese Name):东京油楠
学名(Scientific Name):Sindora tonkinensis K.Larsen & S.S.Larsen
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):豆科(Leguminosae)油楠属
形态特征(Description):乔木,高可达15米;枝条无毛。托叶早落。叶长10-20厘米,无毛,有小叶4-5对;小叶革质,无毛,卵形、长卵形或椭圆状披针形,长6-12厘米,宽3.5-6厘米,两侧不对称,上侧较狭,下侧较阔,顶端渐尖或短渐尖,基部圆形或阔楔形,边全缘;小叶柄长约,毫米。圆锥花序生于小枝顶端的叶腋,长15-20(-30)厘米,密被黄色柔毛;苞片三角形,长5-10毫米;花梗长2-4毫米,中部以上有小苞片1-2枚,小苞片椭圆状披针形,长约5毫米,两面均被黄色柔毛;萼片4枚,外面密被黄色柔毛,无刺,内面密被黄色硬毛;花瓣肥厚,长约8毫米,密被黄色柔毛;雄蕊花丝丝状,长10-15毫米,基部密被黄色柔毛,花药长3-4毫米;子房具短柄,密被黄色柔毛,无刺,花柱丝状,旋卷,无毛,长10-15毫米。荚果近圆形或椭圆形,长7-10厘米,宽4-6厘米,顶端鸟喙状,外面光滑无刺;种子2-5颗,黑色,扁圆形。花期5-6月;果期8-9月。
分布(Distribution):分布中南半岛,广州有栽培。
用途(Use):
引自植物志英文版:FOC Vol. 10 Page 25     
Sindora tonkinensis A. Chevalier ex K. Larsen & S. S. Lar­sen, Fl. Cambodge, Laos & Vietnam. 18: 122. 1980. | Fabaceae  | Sindora
东京油楠 dong jing you nan
Trees, to 15 m tall. Branches glabrous. Leaves 10-20 cm, glabrous; stipules caducous; petiolules ca. 5 mm; leaflets 4 or 5 pairs, ovate, narrowly ovate, or elliptic-lanceolate, 6-12 × 3.5-6 cm, glabrous, asymmetric, upper side narrower than lower side, base rounded or broadly cuneate, margin entire, apex acuminate or shortly acuminate. Panicles in axils of apical leaves, 15-20(-30) cm, together with bracteoles, calyx, petal, and ovary densely yellowish pubescent; bracts triangular, 5-10 mm. Ped­icels 2-4 mm, with 1 or 2 bracteoles from middle upward; bracteoles elliptic-lanceolate, ca. 5 mm. Calyx lobes 4, outside with bristles, inside densely yellowish hirsute. Petal thick, ca. 8 mm. Filaments filiform, 1-1.5 cm, densely yellowish pu­bescent at base; anthers 3-4 mm. Ovary shortly stalked, without prickles; style convolute, 1-1.5 cm, glabrous. Legume suborbicular or elliptic, 7-10 × 4-6 cm, apex beaked, smooth, without prickles. Seeds 2-5, blackish, spheroidal. Fl. May-Jun, fr. Aug-Sep.
Cultivated. Guangdong (Guangzhou) [native to ?Cambodia and Vietnam].
东京油楠Sindora tonkinensis

东京油楠Sindora tonkinensis

东京油楠Sindora tonkinensis

东京油楠Sindora tonkinensis
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