织梦CMS - 轻松建站从此开始!

花卉图片网

当前位置: 主页 > 乔木 >

粗梗木莲Manglietia crassipes

时间:2013-10-15 13:20来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 粗梗木莲 学名( Scientific Name ): Manglietia crassipes Law 英文名( English Common Name ): 别名( Chinese Common Name ): 姑大 异名( Synonym ): Magnolia crassipes (Y. W. Law) V. S. Kumar 科属( Family Ge
中文名(Chinese Name):粗梗木莲
学名(Scientific Name):Manglietia crassipes Law
英文名(English Common Name):
别名(Chinese Common Name):姑大
异名(Synonym):Magnolia crassipes (Y. W. Law) V. S. Kumar
科属(Family & Genus):木兰科Magnoliaceae木莲属Manglietia
形态特征(Description):乔木或灌木,高达4米,芽、小枝、叶下面均具白粉。小枝粗壮,直径0.6-10毫米;叶革质,倒披针形,或倒卵状椭圆形,长13-26厘米,宽5-8厘米,先端短急尖,基部阔楔形,上面绿色,下面粉绿色;中脉在上面微凸起或平坦,侧脉和网脉干时两面均凸起,侧脉每边8-14条,网脉稀疏;叶柄粗壮,长3-3.5厘米,粗2-2.5毫米;托叶脱落痕长约为叶柄长的1/6。佛焰苞状苞片1枚,质薄;花被3轮,花被片9,白色,外轮3片倒卵状长圆形,长3.5-4厘米,宽2-2.5厘米,质薄,具5纵条纹,中轮及内轮质厚,肉质;雄蕊多数,长1-1.5厘米,花药长8-9毫米,药隔伸出成尖三角形,长2-3毫米;雌蕊群卵圆形,长约1.5厘米,宽约1.8厘米;花梗粗壮,长3.5-4厘米,离花被片5-6毫米以下具1苞片脱落痕。聚合果卵球形,长5-6厘米,直径4-5厘米;蓇葖椭圆体形,长1.5-2厘米,具短喙,熟时腹背缝开裂成两果瓣。果柄粗壮,长4.5-5.5厘米,粗约1厘米。花期5月,果熟期9月。
分布(Distribution):产于广西(金秀县大瑶山)。生于海拔1 300米的林中。
用途(Use):
引自中国植物志英文版:FOC Vol. 7 Page 50, 53, 57
Manglietia crassipes Y. W. Law, Bull. Bot. Res., Harbin. 2(4): 133. 1982.
粗梗木莲 cu geng mu lian | Magnoliaceae  | Manglietia
Magnolia crassipes (Y. W. Law) V. S. Kumar.
Trees or shrubs, to 4 m tall. Twigs, vegetative buds, and abaxial surfaces of leaf blade glaucous. Twigs thick and strong, 0.6-10 mm in diam. Stipular scar ca. 1/6 as long as petiole. Petiole thick and strong, 3-3.5 cm × 2-2.5 mm; leaf blade narrowly obovate to obovate-elliptic, 13-26 × 5-8 cm, leathery, abaxially glaucous, adaxially green, midvein adaxially slightly prominent to flat, secondary and reticulate veins prominent on both surfaces when dry, secondary veins 8-14 on each side of midvein, reticulate veins sparse, base broadly cuneate, apex shortly acute. Peduncle thick and strong, 3.5-4 cm; spathaceous bract 1, thin. Tepals 9, in 3 whorls, white; outer 3 tepals obovate-oblong, 3.5-4 × 2-2.5 cm, thin, 5-striated; tepals of inner 2 whorls thick, fleshy. Stamens numerous, 1-1.5 cm; connective exserted, triangular, 2-3 mm; anthers 8-9 mm. Gynoecium ovoid, ca. 1.5 × 1.8 cm. Fruiting peduncle thick and strong, 4.5-5.5 × ca. 1 cm. Fruit ovoid, 5-6 × 4-5 cm; mature carpels ellipsoid, 1.5-2 cm, dehiscing into 2 valves along both ventral and dorsal sutures, apex shortly beaked. Fl. May, fr. Sep. 2n = 38*.
● Forests; ca. 1300 m. Guangxi (Jinxiu).


(责任编辑:徐晔春)
织梦二维码生成器
顶一下
(1)
100%
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