坛腺棋子豆查看源代码讨论查看历史
坛腺棋子豆 |
中文学名:坛腺棋子豆 拉丁学名:Cylindrokelupha chevalieri Kosterm. 界:植物界 门:被子植物门 纲:双子叶植物纲 目:杜鹃花目 科:含羞草科 属:棋子豆属 |
坛腺棋子豆(tán xiàn qí zǐ dòu),拉丁学名:Cylindrokelupha chevalieri Kosterm.,含羞草科棋子豆属植物。 [1]
坛腺棋子豆形态特征
小乔木,高达10米;小枝圆柱形,灰色,无毛。二回羽状复叶,无毛;总叶柄长1-4厘米,上部具高约2毫米、中空的壶形腺体1枚;羽片1对,顶端亦具同样腺体1枚;
小叶2对,对生,椭圆形,长8-14厘米,宽4-8厘米,上部的1对较大,下部的较小,顶端具短而钝的小尖头,基部渐狭,两面无毛,中脉居中,比较显著的侧脉3-4对,侧脉被平行的横脉所连结;
小叶柄长3-7毫米。花白色,芳香,无梗,10-20朵聚成头状,复再排成长达15厘米的狭圆锥花序;苞片钻状,长2毫米;花萼无毛,长2.5-3毫米,萼齿不明显;
花冠漏斗形,长7-8毫米,裂片线状长圆形,仅顶端边缘被短柔毛;雄蕊多数,花丝管约与花冠管等长,花药极小;子房无毛,具长约2.5毫米的子房柄,花柱长。
荚果圆柱形,微弯或劲直,长4-10厘米,直径2.5-3厘米,熟时沿背腹两缝线开裂,果瓣革质,棕色,有网纹;
种子1-4颗,两端的陀螺形,高约3厘米,宽约2.5厘米,当中的高约2厘米,棋子形,种皮棕色。花期5月;果期7月。[2]
Cylindrokelupha chevalieri Kosterm. in Reinwardtia 5: 248. 1960. ——Archidenron chevalieri (Kosterm) Nielsen in Adansonia ser. 2, 19 (1): 28. 1979, et in Aubrev. Fl. Camb. Laos Vietn. 19: 136, pl. 25: 7-13. 1981, et in Acta Phytotax. Sin. 21: 164. 1983. ——Albizia chevalieri (Kosterm.) Y. H. Huang in Acta Bot. Yunnan. 5: 139. 1983.——Paralbizzia robinsonii auct. non (Gagnep.) Kosterm.: Kosterm. in Bull. Org. Sci. Res. Indonesia 20: 23. 1954, quoad specim. Tsang 22476.——Cylindrokelupha robinsonii auct. non (Gagnep.) Kosterm.: Kosterm. in Adansonia ser. 2, 6: 360 1966, quoad syn. C. chevalieri Kosterm. et spec. pl.; T. L. Wu in Acta Phytotax. Sin. 19: 218. 1981, pro parte quoad specim Tsang 22476.
Cylindrokelupha chevalieri Kostermans, Reinwardtia 5: 248. 1960; Albizia chevalieri (Kostermans) Y. H. Huang (1983), not Harms (1907).
Trees, small, to 10 m tall. Branchlets gray, terete, glabrous. Leaf petiole 1-4 cm; petiolar gland raised, pot-form, ca. 2 mm high, 0.5-3 mm in diam.; pinnae 1 or 2 pairs, with similar gland at apex; petiolules 3-7 mm; leaflets 2 pairs, opposite, elliptic, 8-14 × 4-8 cm, upper one larger, both surfaces glabrous, mid-vein central, lateral veins 3 or 4 pairs, connected by parallel veins, base attenuate, apex shortly acuminate. Heads 10-20-flowered, arranged in narrow panicles to 15 cm. Flowers white, fragrant, sessile. Calyx 2.5-3 mm, glabrous; teeth inconspic-uous. Corolla campanulate, 7-8 mm; lobes linear-oblong, only margin pubescent. Staminal tube ca. as long as corolla tube; anthers minute. Ovary glabrous; stipe ca. 2.5 mm. Legume slightly curved or straight, cylindric, 4-10 × 2.5-3 cm, dehis-cent along both sutures; valves brown, leathery, netted. Seeds 1-4, ca. 3 cm high, ca. 2.5 cm in diam., middle one shortly cylindric, ca. 2 cm high, both ends turbinate. Fl. May, fr. Jul.
Dense wet forests; below 1700 m. Guangxi [N Vietnam].
坛腺棋子豆生长环境
生长于山地密林中。
坛腺棋子豆分布范围
主要分布在中国广西省(十万大山)。越南北部也有分布。 [3]