织梦CMS - 轻松建站从此开始!

花卉图片网

当前位置: 主页 > 乔木 >

十蕊枫Acer laurinum

时间:2013-07-15 16:41来源:未知 作者:徐晔春 点击:
十蕊枫,Acer laurinum,海南槭,阔翅槭




中文名(Chinese Name):十蕊枫
学名(Scientific Name):Acer laurinum Hassk.
英文名(English Common Name):
别名(Chinese Common Name):海南槭,阔翅槭
异名(Synonym):Acer decandrum Merr.  Acer longicarpum Hu et Cheng  Acer chionophyllum Merr.  Acer garrettii Craib  Acer laurinum subsp. decandrum (Merr.) A. E. Murray  Acer jingdingense T. Z. Hsu  Acer cassiifolium Blume  Acer curranii Merr.  Acer laurinum var. petelotii Phamhoang,Ho  Acer niveum f. cassiifolium (Blume) Schwer.  Acer niveum f. laurinum (Hassk.) Schwer.  Acer niveum var. cassiifolium (Blume) Miq.  Acer niveum Blume  Acer philippinum Merr.
科属(Family & Genus):槭树科,Aceraceae,槭属,Acer
形态特征(Description):落叶乔木,常高8米,稀达12米。树皮灰褐色或深褐色。小枝粗壮,无毛;当年生枝 紫色或紫绿一色;多年生枝紫褐色。冬芽淡褐色,近于卵圆形;芽鳞的边缘有睫毛。叶革质或近于革质,全缘,卵状椭圆形或长圆卵形,8-15厘米,宽4-7厘米,先端钝尖或短渐尖,基部楔形或阔楔形;上面浅绿色或淡褐绿色,下面淡绿色或淡褐绿色;主脉和5-6对侧脉在上面显著,在下面凸起,基生脉长达叶片的1/3-1/2;小叶脉成网状;叶柄长5-7厘米,无毛,淡紫色。花淡紫褐色,单性,雌雄异株,成长2厘米的细瘦无毛的总状花序;总花模约长1厘米,无毛;叶已长大之后花始从腋芽开出;萼片5,卵形,无毛,长2毫米;花瓣5,比萼片短;雄蕊8-12,无毛,长约4毫米;花盘环状,微被短柔毛,位于雄蕊的内侧;子房无毛,花柱短,在雄花中雌蕊不发育;花梗长5-8毫米,细瘦,无毛。翅果嫩时为绿色或淡紫绿色,成熟时为棕褐色或淡褐黄色,脉纹显著;小坚果扁乎,长1.5厘米,宽7毫米;翅镰刀形,接近顶端部分最宽,翅与小坚果共长6-7厘米,宽2厘米,有时仅有一翅发育良好,张开近于锐角或直角;果梗长2-3厘米,细瘦无毛。花期6月,果期10月。
分布(Distribution):产云南南部、广西南部、广东南部和海南岛。生于海拔800-1500米的阔叶林中。越 南也有分布。
用途(Use):
引自中国植物志英文版:FOC Vol. 11 Page 547      
Acer laurinum Hasskarl, Tijdschr. Natuurl. Gesch. Physiol. 10: 138. 1843.
十蕊枫 shi rui feng | Aceraceae  | Acer
Acer chionophyllum Merrill; A. decandrum Merrill; A. garrettii Craib; A. laurinum subsp. decandrum (Merrill) A. E. Murray; A. laurinum var. petelotii (Gagnepain) Phamhoang; A. longicarpum Hu & W. C. Cheng; A. macropterum T. Z. Hsu & H. Sun (1997), not Visiani (1860); A. niveum Blume; A. philippinum Merrill.
Trees evergreen, to 30(-48) m tall, androdioecious, sometimes andromonoecious. Bark gray. Branchlets green, glabrous; winter buds ovoid, scales 7-11 pairs. Petiole (1.5-)3-6(-10) cm, glabrous; leaf blade abaxially glaucous, whitish or light blue-gray, adaxially glossy dark green, lanceolate or oblong-elliptic to ovate, 9-15 × 3-8 cm, abaxially ± pubescent, trinerved, lateral veins 5 or 6 pairs, 2 basal veins reaching beyond middle of blade, base rounded or cuneate or broadly cuneate, margin entire, glabrous, apex shortly acuminate to obtuse. Inflorescence cymose-paniculate, appearing in axils of fallen leaves, 2.5-10 cm, glabrous or pubescent; peduncle 5-35 mm. Pedicel 4-17 mm, glabrous. Flowers pale yellowish. Sepals 5, ovate, 2.5-3 mm, glabrous. Petals 5, 1.5-2.5 mm. Stamens (4-)8-12, glabrous; filaments ca. 5 mm in staminate flowers, ca. 2.2 mm in pistillate flowers. Disk amphistaminal, glabrous. Ovary rudimentary in staminate flowers. Samara brownish yellow; strongly veined; nutlets slightly convex, ca. 15 × 7 mm, pubescent or nearly glabrous; wing falcate, broadest near apex, including nutlet 4-7 × 2-3 cm, wings spreading acutely. Fruit peduncle 1-3 cm, stout. Fl. Jun-Sep, fr. Sep-Dec. 2n = 26.
Evergreen forests, scattered; 700-2500 m. SW Guangxi, Hainan, SE Xizang, NW and S Yunnan [Cambodia, S India, Indonesia, Laos, Malaysia, Myanmar, Philippines, Thailand, Vietnam].
The only true tropical maple spreading to the S Hemisphere, this species is relatively rare.
 
(责任编辑:徐晔春)
顶一下
(0)
0%
踩一下
(0)
0%
------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