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阔叶猕猴桃Actinidia latifolia

时间:2013-12-04 17:24来源:未知 作者:徐晔春 点击:
阔叶猕猴桃,Actinidia latifolia






中文名(Chinese Name):阔叶猕猴桃
学名(Scientific Name):Actinidia latifolia (Gardn. et Champ.) Merr.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Actinidia gnaphalocarpa Hayata;Actinidia championii Benth.;Actinidia guilinensis C. F. Liang;Actinidia latifolia var. indochinensis H. L. Li;Actinidia tonkinensis H. L. Li;Heptaca latifolia Gardner et Champ.;Actinidia miquelii King
科属(Family & Genus):猕猴桃科(Actinidiaceae)猕猴桃属
形态特征(Description):大型落叶藤本,着花小枝绿色至蓝绿色,一般长15-20厘米,径约2.5毫米,基本无 毛,至多幼嫩时薄被微茸毛,或密被黄褐色绒毛,皮孔显著或不显著,隔年枝径约8毫米; 髓白色,片层状或中空或实心。叶坚纸质,通常为阔卵形,有时近圆形或长卵形,长8-13 厘米,宽5-8.5厘米,最大可达15×12厘米,顶端短尖至渐尖,基部浑圆或浅心形、截平 形和阔楔形,等侧或稍不等侧,边缘具疏生的突尖状硬头小齿,腹面草绿色或榄绿色,无 毛,有光泽,背面密被灰色至黄褐色短度的紧密的星状绒毛,或较长的疏松的星状绒毛,侧 脉6-7对,横脉显著可见,网状小脉不易见;叶柄长3-7厘米,无毛或略被微茸毛。花序 为3-4歧多花的大型聚伞花序,花序柄长2.5-8.5厘米,花柄0.5-1.5厘米,果期伸长 并增大,雄花花序远较雌性花的为长,从上至下厚薄不均地被黄褐色短茸毛;苞片小,条 形,长1-2毫米;花有香气,直径14-16毫米;萼片5片,淡绿色,瓢状卵形,长4-5毫米,宽3-4毫米,花开放时反折,两面均被污黄色短茸毛,内面较薄;花瓣5-8片,前半部及边缘部分白色,下半部的中央部分橙黄色,长圆形或倒卵状长圆形,长6-8毫米,宽3-4毫米,开放时反折;花丝纤弱,长2-4毫米,花药卵形箭头状,长1毫米;子房圆球形,长约2毫米,密被污黄色茸毛,花柱长2-3毫米,不育子房卵形,长约1毫米,被茸毛。果暗绿色,圆柱形或卵状圆柱形,长3-3.5厘米,直径2-2.5厘米,具斑点,无毛或仅在两端有少量残存茸毛;种子纵径2-2.5毫米。
分布(Distribution):产四川、云南、贵州、安徽、浙江、台湾、福建、江西、湖南、广西、广东等省区。生长于海拔450-800米山地的山谷或山沟地带的灌丛中或森林迹地上。越南、老挝、柬埔寨、马来西亚有分布。
用途(Use):
引自中国植物志英文版FOC Vol. 12 Page 336, 337, 348
Actinidia latifolia (Gardner & Champion) Merrill, J. Straits Branch Roy. Asiat. Soc. 86: 330. 1922.
阔叶猕猴桃 kuo ye mi hou tao| Actinidiaceae  | Actinidia
Climbing shrubs, large, deciduous. Branchlets glabrous, with whitish lenticels, slightly puberulent or densely tomentose when young; pith white, lamellate, solid, or hollow. Petiole 3-7 cm, glabrous to sparsely velutinous; leaf blade abaxially pale green, adaxially green, usually broadly ovate to broadly obovate, sometimes orbicular to narrowly ovate, 8-13(-15) × 5-8.5(-12) cm, abaxially glabrescent to densely appressed stellate tomentose, adaxially glabrescent to densely puberulent, midvein and lateral veins distinct and raised abaxially, inconspicuous to subconspicuous adaxially, lateral veins 6 or 7 pairs, transverse veins distinct, base broadly cuneate to rounded, truncate or reniform, margin minutely and remotely callose-serrulate, apex acute to acuminate. Inflorescences 3- or 4-branched, 10- or more flowered, densely brownish tomentose; peduncles 2.5-8.5 cm, forked at top; pedicels 0.5-1.5 cm, elongating and enlarging at fruiting stage; bracts linear, 1-2 mm. Flowers fragrant. Sepals 5, ovate, 4-5 mm, reflexed after anthesis, both surfaces yellowish tomentose. Petals 5-8, white on upper part and margins, orange on middle of lower parts, oblong to obovate-oblong, 6-8 mm, reflexed after anthesis. Filaments 2-4 mm, slender; anthers ovoid, ca. 1 mm, sagittate at base. Ovary globose, ca. 2 mm, densely pilose; styles 2-3 mm. Fruit brown, subglobose to ovoid, 3-3.5 × 2-2.5 cm, lenticellate, glabrous when mature or only pubescent at base and apex. Seeds 2-2.5 mm. Fl. May-Jun, fr. Oct-Nov. 2n = 58*.
Forests, thickets, mountain slopes, valleys; 400-1700 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangxi, Sichuan, Taiwan, Yunnan, Zhejiang [Cambodia, Laos, Malaysia, Thailand, Vietnam].
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