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大籽猕猴桃Actinidia macrosperma

时间:2013-07-15 16:50来源:未知 作者:徐晔春 点击:
大籽猕猴桃,Actinidia macrosperma,梅叶猕猴桃






中文名(Chinese Name):大籽猕猴桃
学名(Scientific Name):Actinidia macrosperma C. F. Liang
英文名(English Common Name):
别名(Chinese Common Name):梅叶猕猴桃
异名(Synonym):
科属(Family & Genus):猕猴桃科(Actinidiaceae)猕猴桃属
形态特征(Description):中小型落叶藤本或灌木状藤本;着花小枝淡绿色,长5-20厘米,一般12厘米,直径 2-2.5毫米,无毛或下部薄被锈褐色小腺毛,皮孔不显著或稍显著,叶腋上偶见花柄萎断 后残存的刺状遗体;芽无毛;隔年枝绿褐色,皮孔小且稀,仅仅可见;髓白色,实心。叶幼时膜质,老时近革质,卵形或椭圆形,长3-8厘米,宽1.7-5厘米,顶端渐尖、急尖至浑圆形,基部阔楔形至圆形,两侧对称或稍不对称,边缘有斜锯齿或圆锯齿,老时或近全缘腹面绿色,无毛;背面浅绿色,脉腋上或有髯毛,中脉上或有短小软刺,叶脉不发达,侧一脉4-5对;叶柄水红色,长10-22毫米,无毛。花常单生,白色,芳香,直径2(♂)-3(♀)厘米;花序柄长6-7毫米,花柄长9-15毫米,均无毛或局部有少数小腺毛;苞片披针形或 条形,长1-2毫米,边缘有若干腺状毛;萼片2-3片,卵形至长卵形,顶端有喙,长6-12毫米,绿色,两面均洁净无毛;花瓣5-12片,瓢状倒卵形,长10-15毫米;花丝丝状,长3-7毫米,花药黄色,卵形箭头状,长1.5-2.5毫米;子房瓶状,长6-8毫米,直径7毫米,无毛,花柱长约5毫米。果成熟时橘黄色,卵圆形或球圆形,长3-3.5厘米,顶端有乳头状的喙,基部有或无宿存萼片,果皮上无斑点,种子粒大,长4-5毫米。
分布(Distribution):产广东、湖北、江西、浙江、江苏、安徽等省。生于丘陵或低山地的丛林中或林缘。模式标本采自浙江天目山。
用途(Use):
引自中国植物志英文版FOC Vol. 12 Page 334, 340      
Actinidia macrosperma C. F. Liang in K. M. Feng, Fl. Reipubl. Popularis Sin. 49(2): 311. 1984.
大籽猕猴桃 da zi mi hou tao| Actinidiaceae  | Actinidia
Climbing shrubs, mid-sized, deciduous. Branchlets glabrous; pith white, solid. Petiole 1-2.2 cm, glabrous to setose; leaf blade abaxially pale green, adaxially green, ovate to elliptic, 3-8 × 1.7-5 cm, membranous when young, leathery when mature, abaxially glabrous to strigillose on midvein, barbate in vein axils or not, adaxially glabrous, midvein and lateral veins subconspicuous abaxially, inconspicuous adaxially, lateral veins 4 or 5 pairs, base broadly cuneate to rounded, equal or oblique, margin serrate or crenate, subentire when mature, apex acute to acuminate, occasionally rounded. Inflorescences often 1-flowered; peduncles 6-7 mm; pedicels 0.9-1.5 cm; bracts linear to lanceolate, minute. Flowers white. Sepals 2 or 3, ovate to narrowly ovate, 0.6-1.2 cm, glabrous, rostrate at apex. Petals 5-12, orbicular-obovate, 1-1.5 cm. Filaments 3-7 mm; anthers yellow, ovoid, 1.5-2.5 mm, sagittate at base. Ovary bottle-shaped, 6-8 mm, glabrous; styles ca. 5 mm. Fruit orange when mature, globose to ovoid, 3-3.5 cm, glabrous, mammilliform-rostrate at apex, lenticels absent; sepals persistent or caducous. Seeds 4-5 mm, ca. 3 mm in diam. Fl. Apr-May, fr. Sep-Oct. 2n = 116*.
● Forest margins on low mountains, thickets, low mountain slopes. Anhui, Guangdong, Hubei, Jiangsu, Jiangxi, Zhejiang.
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