紫果槭Acer cordatum

紫果槭Acer cordatum

紫果槭Acer cordatum

中文名(Chinese Name):紫果槭
学名(Scientific Name):Acer cordatum Pax
英文名(English Common Name):
别名(Chinese Common Name):紫槭
异名(Synonym):Acer cordatum var. subtrinervium (Metc.) Fang  Acer subtrinervium F. P. Metcalf  Acer kuikiangense Hu & W.C.Cheng  Acer laevigatum subsp. cordatum (Pax) A.E.Murray  Acer laevigatum var. microcordatum (Metcalf) A.E.Murray
科属(Family & Genus):槭树科Aceraceae槭属Acer
形态特征(Description):常绿乔木,常高7米,稀达10米。树皮灰色或淡黑灰色,光滑。小枝细瘦,无毛;当年 生嫩枝紫色或淡紫绿色;多年生老枝绿色或淡绿灰色。叶纸质或近于革质,卵状长圆形稀卵形,长6-9 厘米,宽3-4.5厘米,基部近于心脏形,先端渐尖,除接近先端部分具稀疏的细锯齿外,其余部分全缘;上面深褐绿色,光滑;下面淡褐绿色,无毛,主脉及侧脉4-5对,在两面均显著,基出的侧脉长度约为叶片长度1/3;小的网脉在两面均显著成网状;叶柄紫色或淡紫色,长约1厘米,细瘦,无毛。花3-5朵,成长4-5厘米的伞房花序,总花梗细瘦,淡紫色,无毛,着生于有2叶的小枝顶端;萼片5,紫色,倒卵形或长圆倒卵形,长3-4毫米;花瓣5,阔倒卵形,长2毫米,宽3毫米,淡白色或淡黄白色;雄蕊8,和花瓣近于等长,着生于花盘内侧的边缘;花盘无毛,微裂;子房无毛,花柱长1毫米;花梗长5-8毫米。翅果嫩时紫色,成熟时黄褐色,小坚果凸起,无毛,长4毫米,宽3毫米;翅宽1厘米,连同小坚果长2厘米,张开成钝角或近于水平;果梗长1-2厘米,细瘦,无毛。花期4月下旬,果期9月。
分布(Distribution):产湖北西部、四川东部、贵州、湖南、江西、安徽、浙江、福建、广东、广西。生于海拔500-1200米的山谷疏林中。
用途(Use):
引自中国植物志英文版:FOC Vol. 11 Page 533, 535      
Acer cordatum Pax, Hooker’s Icon. Pl. 19: t. 1897. 1889.
紫果枫 zi guo feng | Aceraceae  | Acer
Trees to 10 m tall, andromonoecious. Bark gray, smooth. Branchlets slender, glabrous. Leaves persistent; petiole 1-3.5 cm, slender, glabrous; leaf blade ovate or ovate-oblong, 3.5-9 × 1.5-4.5 cm, papery, abaxially glabrous and slightly reticulate, adaxially glabrous, veins slightly prominent, lateral veins 4 or 5 pairs, base subcordate, undivided or rarely 2- or 3-lobed, margin nearly entire, remotely serrate, or serrate, apex shortly acuminate or obtuse. Inflorescence terminal on leafy branchlets, corymbose, 3-5-flowered. Pedicel 1-2 cm, slender, glabrous. Sepals 5. Petals 5, yellowish green. Stamens 8, glabrous. Disk glabrous. Ovary glabrous. Samaras brownish yellow when mature; nutlets convex, ca. 4 × 3 mm, glabrous; wing including nutlet 1.4-2(-3.5) × ca. 1 cm, wings spreading variously. Fl. Apr, fr. Sep.
● Forests, valleys; 200-1200 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangxi, Sichuan, Yunnan, Zhejiang.
(责任编辑:徐晔春)

顶一下[0]

踩一下[0]