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探春Jasminum floridum

时间:2013-10-23 13:20来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):探春 学名( Scientific Name ): Jasminum floridum Bunge 英文名( English Common Name ): 别名( Chinese Common Name ): 迎夏 异名( Synonym ): Jasminum floridum subsp. giraldii (Diels) Miao Jasminum humile f.
中文名(Chinese Name):探春
学名(Scientific Name):Jasminum floridum Bunge
英文名(English Common Name):
别名(Chinese Common Name):迎夏
异名(Synonym):Jasminum floridum subsp. giraldii (Diels) Miao  Jasminum humile f. kansuense (Kobuski) B. M. Miao  Jasminum argyi H. Lév.  Jasminum giraldii Diels  Jasminum humile var. kansuense Kobuski  Jasminum floridum var. spinescens Diels  Jasminum tsinglingense Lingelsh.  Jasminum tsinlingense Lingelsh.  Jasminum subulatum Lindl.
科属(Family & Genus):木犀科(Oleaceae)素馨属
形态特征(Description):直立或攀援灌木,高0.4-3米。小枝褐色或黄绿色,当年生枝草绿色,扭曲,四棱,无毛。叶互生,复叶,小叶3或5枚,稀7枚,小枝基部常有单叶;叶柄长2-10毫米;叶片和小叶片上面光亮,干时常具横皱纹,两面无毛,稀沿中脉被微柔毛;小叶片卵形、卵状椭圆形至椭圆形,稀倒卵形或近圆形,长0.7-3.5厘米,宽0.5-2厘米,先端急尖,具小尖头,稀钝或圆形,基部楔形或圆形,中脉在上面凹入,下面凸起,侧脉不明显;顶生小叶片常稍大,具小叶柄,长0.2-1.2厘米,侧生小叶片近无柄;单叶通常为宽卵形、椭圆形或近圆形,长1-2.5厘米,宽0.5-2厘米。聚伞花序或伞状聚伞花序顶生,有花3-25朵;苞片锥形,长3-7毫米;花梗缺或长达2厘米;花萼具5条突起的肋,无毛,萼管长1-2毫米,裂片锥状线形,长1-3毫米;花冠黄色,近漏斗状,花冠管长0.9-1.5厘米,裂片卵形或长圆形,长4-8毫米,宽3-5毫米,先端锐尖,稀圆钝,边缘具纤毛。果长圆形或球形,长5-10毫米,径5-10毫米,成熟时呈黑色。花期5-9月,果期9-10月。
分布(Distribution):产河北、陕西、山东、河南、湖北、四川、贵州,生海拔2000米以下的坡地、山谷或林中。
用途(Use):
引自中国植物志英文版:FOC Vol. 15 Page 310
Jasminum floridum Bunge, Mém. Acad. Imp. Sci. St.-Pétersbourg Divers Savans. 2: 116. 1833.
探春花 tan chun hua | Oleaceae  | Jasminum
Jasminum argyi H. Léveillé; J. floridum subsp. giraldii (Diels) B. M. Miao; J. floridum var. spinescens Diels; J. giraldii Diels; J. humile Linnaeus var. kansuense Kobuski; J. humile var. microphyllum f. kansuense (Kobuski) B. M. Miao; J. tsinglingense Lingelsheim.
Shrubs erect or scandent, 0.4-3 m. Branchlets 4-angled, twisted, glabrous to pubescent. Leaves alternate, compound or simple; petiole 2-10 mm; leaflets 3 or 5(or 7), terminal petiolule 2-12 mm, lateral ones subsessile; leaf and leaflet blades ovate to elliptic, rarely obovate or suborbicular, 0.7-4(-5) × 0.5-2 cm, adaxially shiny, drying rugose, glabrous, sometimes puberulent along midrib, to densely villous, abaxially glabrous to sparsely to densely villous, base cuneate or rounded, apex acute, rarely blunt; veins obscure. Cymes terminal, 3-25-flowered; bracts subulate, 3-7 mm. Pedicel 0-2 cm. Calyx with 5 raised ribs, glabrous to sparsely pubescent; tube 1-2 mm; lobes subulate-linear, 1-3 mm. Corolla yellow, nearly funnelform; tube 0.9-1.5 cm; lobes ovate or oblong, 4-8 mm, often acute at apex. Berry ripening black, globose, 5-10 mm in diam. Fl. May-Oct, fr. Aug-Nov.
* Slopes, valleys, woods, thickets; below 2000 m. Gansu, N Guizhou, Hebei, Henan, Hubei, Shaanxi, Shandong, Shanxi, Sichuan


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