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广西玉叶金花Mussaenda kwangsiensis

时间:2013-11-08 12:29来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):广西玉叶金花 学名( Scientific Name ): Mussaenda kwangsiensis Li 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): 科属( Family Genus ): 茜草科(Rubiaceae)玉叶金花属 形态
中文名(Chinese Name):广西玉叶金花
学名(Scientific Name):Mussaenda kwangsiensis Li
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):茜草科(Rubiaceae)玉叶金花属
形态特征(Description):攀援灌木;小枝圆柱形,密被贴伏的短柔毛。叶对生,薄纸质,长圆状披针形或披针形,长8-11厘米,宽2.5-4厘米,顶端渐尖或短渐尖,基部渐窄或楔形,上面被稀疏的短柔毛,脉上毛较密,下面密被长柔毛;侧脉6-8对,向上拱曲,两面均明显;叶柄长5-8毫米,被短柔毛,腋部通常有2-4枚极退化的叶;托叶2深裂,裂片线形,长6毫米,早落。聚伞花序顶生,长约4厘米,分枝少而短,被短柔毛;苞片和小苞片线形,长0.5-1.5厘米;花密集,无梗;花萼管长圆形,长约5毫米,密被短柔毛,萼裂片线形,长2.5-3厘米,宽1-2毫米,有柔毛,顶端长渐尖;花叶卵形,白色,长约6厘米,有纵脉5-7条,顶端渐尖,基部圆形,两面被短柔毛,柄长8.5毫米;花冠管长2-2.5厘米,宽1.5毫米,外面被灰色短柔毛,内面在上部密生黄色棒形毛,花冠裂片卵形,长3毫米,宽1.5毫米,顶端渐尖或短尖,外面密被柔毛,内面密生黄色小疣突;雄蕊内藏,花药长4-5毫米,花丝无毛;花柱长5毫米,无毛。花期9-11月。
分布(Distribution):我国特有,产于广西,生于山谷溪旁疏林下。
用途(Use):
引自中国植物志英文版:FOC Vol. 19 Page 232, 238   
Mussaenda kwangsiensis H. L. Li, J. Arnold Arbor. 24: 455. 1943.
广西玉叶金花 guang xi yu ye jin hua| Rubiaceae  | Mussaenda
Climbing shrubs; branches terete, densely strigillose, sometimes with congested groups of leaves borne on reduced axillary buds. Leaves opposite; petiole 5-8 mm, appressed pubescent; blade drying thinly papery, oblong-lanceolate or lanceolate, 8-11 × 2.5-4 cm, adaxially sparsely strigillose with pubescence denser along veins, abaxially densely villous, sparsely villosulous, or hirtellous, base attenuate or cuneate, apex acuminate or shortly acuminate; secondary veins 6-8 pairs, with tertiary venation not readily visible; stipules caducous, deeply 2-parted, lobes linear, ca. 6 mm. Inflorescence congested-cymose, ca. 4 cm, moderately to densely strigillose; bracts linear, 5-15 mm. Flowers densely grouped, sessile, biology not noted. Calyx with hypanthium portion ellipsoid, ca. 5 mm, densely pubescent; lobes linear, 25-30 × 1-2 mm, sparsely pilose, with 1 lobe on 1(or ?more) flower in each inflorescence enlarged into white calycophyll, blade ovate, ca. 6 cm, sparsely pubescent on both surfaces, base rounded, stipe ca. 8.5 mm, apex acuminate. Corolla yellow, slenderly salverform, outside gray pubescent; tube 20-25 mm; lobes ovate, ca. 3 × 1.5 mm, adaxially densely yellow papillose, acuminate, acute, or mucronate. Berry not seen. Fl. Sep-Jan.
● Sparse forests at streamsides in valleys. Guangxi.
 


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