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美丽猕猴桃Actinidia melliana

时间:2013-07-15 16:50来源:未知 作者:徐晔春 点击:
美丽猕猴桃,Actinidia melliana,两广猕猴桃






中文名(Chinese Name):美丽猕猴桃
学名(Scientific Name):Actinidia melliana Hand.-Mazz.
英文名(English Common Name):
别名(Chinese Common Name):两广猕猴桃
异名(Synonym):
科属(Family & Genus):猕猴桃科(Actinidiaceae)猕猴桃属
形态特征(Description):中型半常绿藤本;着花小枝距状者仅长2-4厘米,径约2毫米,延伸长枝达30-40 厘米,当年枝和隔年枝都密被长达6-8毫米的锈色长硬毛,皮孔都很显著;髓白色,片层 状。叶膜质至坚纸质,隔年叶革质,长方椭圆形、长方披针形或长方倒卵形,长6-15厘 米,宽2.5-9厘米,顶端短渐尖至渐尖,基部浅心形至耳状浅心形,两面的中脉和侧脉,有 时扩张到腹面的横脉被有稀疏的长硬毛,或腹面较普遍地被长硬毛,背面密被糙伏毛,背 面粉绿色,边缘具硬尖小齿,上部(边缘)常向背面反卷,侧脉较稀疏,7-8对,叶干燥后与中脉都呈瘪扁状,网状小脉不发达,但干燥了的叶面往往呈龟裂状的细小网纹;叶柄长 10-18毫米,被锈色长硬毛。聚伞花序腋生,花序柄长3-10毫米,两回分歧,花可多达 10朵,被锈色长硬毛;花柄5-12,毫米;苞片钻形,长4-5毫米,果期伸长至6毫米;花白色;萼片5片,长方卵形,长4-5毫米,背面薄被绒毛;花瓣5片,倒卵形,长8 9毫米, 宽5-7毫米,顶端圆形多花丝2.5毫米,花药黄色,长1毫米;子房近球形,密被茶褐色绒 毛,花柱长约3毫米。果成熟时秃净,圆柱形,长16-22毫米,直径11-15毫米,有显著 的疣状斑点,宿存萼片反折。花期5月-6月。
分布(Distribution):主产广西和广东,南可到海南岛,北可到湖南、江西。生于海拔200-800米(大陆), (-1250米海南岛)的山地树丛中。
用途(Use):
引自中国植物志英文版FOC Vol. 12 Page 335, 346
Actinidia melliana Handel-Mazzetti, Anz. Akad. Wiss. Wien, Math.-Naturwiss. Kl. 59: 57. 1922.
美丽猕猴桃 mei li mi hou tao| Actinidiaceae  | Actinidia
Climbing shrubs, mid-sized, deciduous. One- and two-year-old branches densely long rusty hispid, lenticels conspicuous; pith white, lamellate. Petiole 1-1.8 cm, densely long rusty hispid; leaf blade abaxially glaucous, oblong-elliptic to oblong-lanceolate or oblong-obovate, 6-15 × 2.5-9 cm, membranous to papery, both surfaces densely rusty hispid-hirsute throughout or only on midvein and lateral veins, midvein and lateral veins conspicuous abaxially, subconspicuous adaxially, lateral veins 7 or 8 pairs, reticulate veinlets subconspicuous on both surfaces, base cordatulate, margin entire with numerous sharp rigid pointed hairs, apex shortly acuminate to long acuminate. Inflorescences cymose, axillary, 2-branched, up to 10-flowered, densely long rusty hispid; peduncles 3-10 mm; pedicels 5-12 mm; bracts subulate, 4-5 mm. Flowers white. Sepals 5, oblong-ovate, 4-5 mm, abaxially sparsely tomentose. Petals 5, obovate, 8-9 mm, apex rounded. Filaments ca. 2.5 mm; anthers yellow, ca. 1 mm. Ovary globose, densely rusty tomentose; styles ca. 3 mm. Fruit cylindric, 1.6-2.2 cm, glabrous, with conspicuous lenticels and reflexed sepals. Fl. May-Jun, fr. unknown. 2n = 58*.
● Mountain forests, thickets; 200-1300 m. Guangdong, Guangxi, Hainan, Hunan, Jiangxi.
(责任编辑:徐晔春)
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