织梦CMS - 轻松建站从此开始!

花卉图片网

当前位置: 主页 > 乔木 >

海南红豆Ormosia pinnata

时间:2018-08-14 07:40来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):海南红豆 学名( Scientific Name ): Ormosia pinnata (Lour.) Merr. 英文名( English Common Name ): 别名( Chinese Common Name ): 大萼红豆、羽叶红豆 异名( Synonym ): Cynometra pinnata Lour. Fedorovia pinnata
中文名(Chinese Name):海南红豆
学名(Scientific Name):Ormosia pinnata (Lour.) Merr.
英文名(English Common Name):
别名(Chinese Common Name):大萼红豆、羽叶红豆
异名(Synonym):Cynometra pinnata Lour.  Fedorovia pinnata (Lour.) Yakovlev  Ormosia hainanensis Gagnep.
科属(Family & Genus):蝶形花科,Fabaceae红豆属
形态特征(Description):常绿乔木或灌木,高3-18米,稀达25米,胸径30厘米;树皮灰色或灰黑色;木质部有粘液。幼枝被淡褐色短柔毛,渐变无毛。奇数羽状复叶,长16-22.5厘米;叶柄长2-3.5(6.5)厘米,叶轴长2.5-9厘米,叶轴在最上部一对小叶处延长0.2-2.6厘米生顶小叶;小叶3(-4)对,薄革质,披针形,长12-15厘米,宽约4 (-5)厘米,先端钝或渐尖,两面均无毛,侧脉5-7对;小叶柄长3-6毫米,有凹槽及短柔毛或近无毛。圆锥花序顶生,长20-30厘米;花长1.5-2厘米;花萼钟状,比花梗长,被柔毛,萼齿阔三角形;花冠粉红色而带黄白色,各瓣均具柄,旗瓣长13毫米,瓣片基部有角质耳状体2枚,翼瓣倒卵圆形,龙骨瓣基部耳形;子房密被褐色短柔毛,内有胚珠4粒,花柱无毛而弯曲。荚果长3-7厘米,宽约2厘米,有种子1-4粒,如具单粒种子时,其基部有明显的果颈,呈镰状,如具数粒种子时,则肿胀而微弯曲,种子间缢缩,果瓣厚木质,成熟时橙红色,干时褐色,有淡色斑点,光滑无毛;种子椭圆形,长15-20毫米,种皮红色,种脐长不足1毫米,位于短轴一端。花期7-8月。
分布(Distribution):产广东、海南、广西。生于中海拔及低海拔的山谷、山坡、路旁森林中。越南、泰国也有分布。
用途(Use):木材纹理通直,心材淡红棕色,边材淡黄棕色,材质稍软,易加工,不耐腐,可作一般家具、建筑用材。
引自植物志英文版: FOC Vol. 10 Page 75, 82
Ormosia pinnata (Loureiro) Merrill, Lingnan Sci. J. 14: 12. 1935.
海南红豆 hai nan hong dou| Fabaceae  | Ormosia
Cynometra pinnata Loureiro, Fl. Cochinch. 1: 268. 1790; Fedorovia pinnata (Loureiro) Yakovlev; Ormosia hainanensis Gagnepain.
Trees or shrubs, evergreen, 3-18(-25) m, ca. 0.3 m d.b.h. Bark of stems grayish; xylem mucilaginous. Young branches brownish pubescent, becoming glabrescent. Leaves imparipin­nate, 16-22.5 cm; petiole 2-3.5(-6.5) cm; rachis 2.5-9 cm, pro­longed 0.2-2.6 cm below terminal leaflet; leaflets 7(-9); petio­lule 3-6 mm, grooved, pubescent or nearly glabrous; blades lanceolate to oblanceolate, 12-15 × 4(-5) cm, thinly leathery, both surfaces glabrous, apex obtuse or acute, rarely acuminate; lateral veins 5-7 pairs. Panicles terminal, 20-30 cm. Flowers 1.5-2 cm. Calyx campanulate, longer than pedicel, pubescent; teeth broadly triangular. Corolla pink and yellowish white; standard ca. 13 mm, base shallowly 2-auriculate, claw short and stout; wings spatulate-obovate, claw ca. 4 mm, narrow; keel broadly spatulate-obovate, slightly to not auriculate at base, claw ca. 4 mm, narrow. Ovary densely appressed brown pubes­cent; ovules 4; style glabrous, curved. Legumes 3-7 × ca. 2 cm, body turgid and slightly curved, constricted between seeds; valves thickly woody, orange-red at maturity, brown when dried, with light-colored spots, glabrous; stipe conspicuous, curved obliquely from body of legume. Seeds 1-4, red, ellip­soid, 1.5-2 cm; hilum less than 1 mm. Fl. Jul-Aug, fr. Oct.
● Valleys, mountain slopes, roadside forests, at middle and low elevations. SW Guangdong, S Guangxi, Hainan.






(责任编辑:徐晔春)
织梦二维码生成器
顶一下
(0)
0%
踩一下
(2)
100%
------分隔线----------------------------
发表评论
请自觉遵守互联网相关的政策法规,严禁发布色情、暴力、反动的言论。
评价:
表情:
用户名: 验证码:点击我更换图片
栏目列表
推荐内容