靖西黄檀查看源代码讨论查看历史
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中文学名： 靖西黄檀 拉丁学名：Dalbergia jingxiensis S.Y.Liu 科： 豆科 界： 植物界 门： 被子植物门 纲： 双子叶植物纲 亚纲： 原始花被亚纲 英文名： Hubei Rosewood 目： 蔷薇目 族： 黄檀族 属： 黄檀属 种： 靖西黄檀 分布区域： 热带地区 |
靖西黄檀(jìng xī huáng tán)，学名 Dalbergia jingxiensis S. Y. Liu，乔木属，高10-20米；树皮暗灰色，呈薄片状剥落。幼枝淡绿色，无毛。羽状复叶长15-25厘米；小叶3-5对，近革质，椭圆形至长圆状椭圆形，长3.5-6厘米，宽2.5-4厘米，先端钝．或稍凹入，基部圆形或阔楔形，两面无毛，细脉隆起，上面有黄檀（学名：Dalbergia hupeana Hance），蝶形花科，黄檀属乔木植物。树皮暗灰色，羽状复叶，圆锥花序、花冠淡紫色或白色，荚果长圆形或阔舌状，花果期5-10月。 [1]
形态特点
Shrubs, 2-3 m tall. Branches spreading; branchlets grayish black, densely yellowish brown pubescent, glabrescent, lenti-cellate. Leaves 4-11 cm; petiole 8-12 mm, puberulent as ra-chis;
leaflets 5-15, abaxially light green, adaxially green, ob-long, 1-3.5 × 0.8-1.5 cm, abaxially sparsely appressed light brown pubescent and veins prominent, adaxially sparsely ap-pressed grayish white pubescent and veins slightly impressed, base broadly cuneate or subrounded, margin revolute, apex rounded, obtuse, or emarginate, cuspidate;
petiolules ca. 2 mm, densely light brown pubescent; terminal leaflet obovate-oblong. Panicles terminal and axillary, few branched, 2-5 × 1-3.5 cm, densely dirty brown pubescent.
Flowers small, compact. Pedi-cel 1-2 mm. Calyx campanulate, 5-6 mm, densely blackish brown appressed hispidulous; tube ca. 4 mm, 5-toothed; teeth triangular or triangular-oblong, ca. 1 mm, lowest one longer than others, ca. 1.5 mm, inside densely pubescent, apex acumi-nate, rounded, or obtuse.
Corolla white; petals subequal in length, clawed, claw 2-3 mm; standard obovate, orbicular, or suborbicular, sometimes cucullate, 3-4 × 2-2.5 mm, slightly unequally sided, apex rounded, obtuse, or emarginate;
wings oblong; keel obovate-oblong, as wings ca. 4 mm and auriculate on upper side below. Stamens 9, monadelphous, 4-5 mm; fila-ments alternately longer and shorter, occasionally among them 1 or 2 reduced and enlarged to petaloid.
Ovary long stipitate, oblong, 1.5-2 mm, glabrous, 2- or 3-ovuled; style slender, ca. 2 mm; stigma small. Legume unknown. Fl. Jan-Feb.
分类文献
FOC >> Vol.10 (2010) >> Fabaceae >> Dalbergia 16.Dalbergia jingxiensis S. Y. Liu J. Trop. Subtrop. Bot. 12: 575. 2004. 靖西黄檀 jing xi huang tan
产地生境
● Rocky hills, thickets. Guangxi (Jingxi).
标本鉴定信息
学名 Dalbergia jingxiensis S.Y.Liu 中文名 靖西黄檀 鉴定人 S.Y.Liu 鉴定时间 19881031 模式类型 Isotypus
采集信息
采集人 刘寿养 采集号 002968 采集时间 20000117 采集地 中国 广西壮族自治区 海拔 生境 丘陵，灌丛中 习性 灌木 物候期 有花无果