织梦CMS - 轻松建站从此开始!

花卉图片网

当前位置: 主页 > 灌木 >

野丁香Leptodermis potaninii

时间:2013-11-08 12:22来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 野丁香 学名( Scientific Name ): Leptodermis potaninii Batalin 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): 科属( Family Genus ): 茜草科(Rubiaceae)野丁香属 形态特征
中文名(Chinese Name):野丁香
学名(Scientific Name):Leptodermis potaninii Batalin
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym): 
科属(Family & Genus):茜草科(Rubiaceae)野丁香属
形态特征(Description):灌木,高0.5-2米或过之;枝浅灰色,嫩枝常淡红色,有二列柔毛。叶疏生或稍密挤,较薄,卵形或披针形,有时长圆形或椭圆形,或阔长圆形,顶端钝至近圆,有短尖头,基部楔形,全缘,两面被白色短柔毛,下面苍白,通常几近光秃;侧脉每边3-4条,下面凸起,网脉明显;叶柄短;托叶膜质,阔三角形,渐尖,有刺状短尖头。聚伞花序顶生,无梗,简单,3花,极少退化至1或2花,中央的花无梗,两侧的花有梗;花梗红色,有2列硬毛或柔毛;小苞片2,比萼管长,顶端短尖至针形,多少合生,外面密被硬毛或柔毛;萼管狭倒圆锥形,上部和萼裂片均密被硬毛或柔毛,裂片5或6,狭三角形,顶端短尖,长为宽的3倍,被缘毛,直;花冠漏斗形,长达1.5厘米,管的外面多少被柔毛或近无毛,内面上部及喉部密被硬毛,冠檐伸展,此冠管短3倍,花冠裂片5或6,镊合状排列,顶端圆,具膜质边檐,无色,无毛;雄蕊5或6,生于冠管中部以上,无毛,花丝比花药稍长,花药半伸出,线状长圆形;雌蕊长为花冠之半,柱头3-4,子房3室。蒴果自顶5裂至基部,其裂片冠以宿萼裂片。花期5月,果期秋冬。
分布(Distribution):我国特有,产于陕西南部(平利)、湖北西部(神农架、兴山等地)、四川(中部、西北部和西南部)及贵州西部、云南西北部至东北部。生于海拔800-2400米的山坡灌丛中。
用途(Use):
引自中国植物志英文版:FOC Vol. 19 Page 199, 206
Leptodermis potaninii Batalin, Trudy Imp. S.-Peterburgsk. Bot. Sada. 14: [319]. 1898.
野丁香 ye ding xiang | Rubiaceae  | Leptodermis
Shrubs, 0.5-2 m tall or taller; branches pale gray, young branches usually reddish, with 2 bands of soft hairs. Leaves sparsely arranged or slightly crowded; petiole short; blade thin, ovate or lanceolate, sometimes oblong or elliptic, both surfaces white pubescent, tomentose, subglabrous, or glabrous, base cuneate, margins entire, apex obtuse to subrounded, apiculate; lateral veins 3 or 4 pairs, prominent abaxially, reticulate veins conspicuous; stipules membranous, broadly triangular, acuminate, with acicular apiculus. Cymes terminal, sessile, 3-flowered, rarely reduced to 1 or 2 flowers, central flowers sessile, lateral ones pedicellate; pedicels red, with 2 bands of stiff or soft hairs; bracteoles 2, longer than calyx tube, ± connate, densely hispid or pilose outside, acute to aciculate. Calyx tube narrowly obconical, densely hispid or pilose on upper portion and calyx lobes; lobes 5 or 6, narrowly triangular, length 3 × size of width, ciliate, acute. Corolla funnelform, to 1.5 cm; tube ± pilose or subglabrous outside, densely hispid on upper portion and throat inside, limb spreading, 3 × shorter than corolla tube; lobes 5 or 6, with valvate aestivation, transparent, glabrous, margins membranous, apex rounded. Stamens 5 or 6, attached to upper portion of corolla tube, glabrous; filaments longer than anthers; anthers semi-exserted, linear-oblong. Pistils ca. 1/2 as long as corolla; ovary 3-celled; stigmas 3 or 4. Capsule 5-valvate from apex to base; valves crowned by persistent calyx lobes. Fl. May, fr. autumn and winter.
● Thickets on hill slopes or at streamsides, mountains; 800-2700 m. W Guizhou, W Hubei, S Shaanxi, W Sichuan, Yunnan.
 


(责任编辑:徐晔春)
顶一下
(1)
50%
踩一下
(1)
50%
------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