银钟花Halesia macgregorii

中文名(Chinese Name):银钟花
学名(Scientific Name):Halesia macgregorii Chun
英文名(English Common Name):
别名(Chinese Common Name):假杨桃、山杨桃
异名(Synonym):Halesia macgregorii var. crenata Chun
科属(Family & Genus):安息香科(Styracaceae)银钟花属
形态特征(Description):乔木,高达24米,胸径达45厘米;树皮光滑,灰色;小枝紫褐色,后渐变为灰褐色;冬芽长圆锥形,有鳞片包裹,鳞片3-4片,褐色,有光泽。叶纸质,椭圆形、长椭圆形或卵状椭圆形,长5-13厘米,宽3-4.5厘米,顶端渐尖或钝渐尖,常稍弯,基部楔形,稀近圆形,边缘有锯齿,齿端角质红褐色,上面绿色,下面浅绿色,主脉上面下陷,下面隆起,嫩时常呈紫红色,嫩叶两面疏被星状毛,成长后无毛,侧脉每边10-24条,纤细,网脉细密,在两面均明显隆起;叶柄长5-10厘米。花白色,常下垂,直径约1.5厘米,2-7朵丛生于去年小枝的叶腋,先叶开放或与叶同时开放;花梗纤细,长5-8毫米;萼管倒圆锥形,高约3毫米,萼齿三角状披针形,长约2毫米;花冠4深裂,花冠管长10-15毫米,裂片倒卵形,长10-12毫米,宽约8毫米,边有缘毛;雄蕊8枚,4长4短,长短相间,长12-19毫米,花丝基部联合成管,花药长圆形,长约2毫米;花柱较花冠长,纤细,无毛。核果长椭圆形或椭圆形,少倒卵形,长2.5-4厘米,宽2-3厘米,有4翅,初为肉质,黄绿色,成熟后干燥呈褐红色,顶端常有宿存的萼齿。花期4月,果期7-10月。
分布(Distribution):产广东、广西、福建、江西、湖南、贵州和浙江,生于海拔700-1200米的山坡、山谷较阴湿的密林中。
用途(Use):本种树干通直,边材淡黄色,心材淡红色,纹理致密,可供制造各种家具或农具。
引自中国植物志英文版:FOC Vol. 15 Page 266 
Halesia macgregorii Chun, J. Arnold Arbor. 6: 144. 1925.
银钟花 yin zhong hua| Styracaceae  | Halesia
Halesia macgregorii var. crenata Chun.
Trees to 24 m tall. Trunk to 45 cm d.b.h. Branchlets purple-brown. Petiole 5--10 cm; leaf blade elliptic to ovate-elliptic, 5--13 X 3--4.5 cm, abaxially greenish, pubescent when young, and glabrescent, adaxially green and glabrous, base cuneate to rounded, margin serrate, apex slightly curved and acuminate to shortly acuminate, secondary veins 10--24 pairs, tertiary veins reticulate. Pedicel 5--8 mm, slender. Flowers often pendulous, ca. 1.5 cm. Calyx tube obconical, ca. 3 mm; teeth deltoid-lanceolate. Corolla tube 1--1.5 cm; lobes 4, 10--12 X ca. 8 mm, ciliate. Stamens 8, 4 long and 4 short, 1.2--1.9 cm. Style longer than corolla. Drupe yellowish to brownish-red, ellipsoid to ovate, 2.5--4 X 2--3 cm. Seeds brown. Fl. Mar-Apr, fr. Jul-Oct.
* Damp shades areas on slopes, at forest edges; 700--1200 m. NW Fukien, N Guangdong, N Guangxi, S Guizhou, SW Hunan, S Jiangxi, Zhejiang.
 银钟花Halesia macgregorii

银钟花Halesia macgregorii

银钟花Halesia macgregorii

银钟花Halesia macgregorii
(责任编辑:徐晔春)

顶一下[0]

踩一下[0]