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毛花猕猴桃Actinidia eriantha

时间:2018-06-29 11:56来源:未知 作者:徐晔春 点击:
毛花猕猴桃,Actinidia eriantha,毛冬瓜,毛花杨桃
中文名(Chinese Name):毛花猕猴桃
学名(Scientific Name):Actinidia eriantha Benth.
英文名(English Common Name):
别名(Chinese Common Name):毛冬瓜,毛花杨桃
异名(Synonym):Actinidia davidii Franch.  Actinidia lanata Hemsl.  Actinidia eriantha f. alba C. F. Gan  Actinidia eriantha var. brunnea C. F. Liang  Actinidia eriantha var. calvescens C. F. Liang
科属(Family & Genus):猕猴桃科,Actinidiaceae,猕猴桃属, Actinidia
形态特征(Description):大型落叶藤本;小枝、叶柄、花序和萼片密被乳白色或淡污黄色直展的绒毛或交织压紧的绵毛;小枝往往在当年一再分枝,着花小枝长10-15厘米,直径4-7毫米,大枝可达 40毫米以上;隔年枝大多或厚或薄地残存皮屑状的毛被,皮孔大小不等,茎皮常从皮孔的两端向两方裂开;髓白色,片层状。叶软纸质,卵形至阔卵形,长8-16厘米,宽6-11 厘米,顶端短尖至短渐尖,基部圆形、截形或浅心形,边缘具硬尖小齿,腹面草绿色,幼嫩时散被糙伏毛,成熟后很快秃净,仅余中脉和侧脉上有少数糙毛,背面粉绿色,密被乳白色或淡污黄色星状绒毛,侧脉7-8(-10)对,横脉发达,显著可见,网状小脉较疏,较难观察;叶柄短且粗,长1.5-3厘米,被与小枝上同样的毛。聚伞花序简单,1-3花,被与小枝上根同但较蓬松的毛被,花序柄长5-10毫米,花柄长3-5毫米;苞片钻形,3-4毫米;花直径2-3厘米;萼片2-3片,淡绿色,瓢状阔卵形,长约9毫米,两面密被绒毛,外面毛被松而厚,内面毛被紧而薄;花瓣顶端和边缘橙黄色,中央和基部桃红色,倒卵形,长约14毫米,边缘常呈餐蚀状;雄蕊极多,可达240枚(♂花),花丝纤细,浅红色,长5-7毫米,花药黄色,长圆形,长约1毫米;子房球形,密被白色绒毛,花柱长3-4毫米。果柱状卵珠形,长3.5-4.5厘米,直径2.5-3厘米,密被不脱落的乳白色绒毛,宿存萼片反折,果柄长达15毫米;种子纵径2毫米。花期5月上旬-6月上旬,果熟期11月。
分布(Distribution):产浙江、福建、江西、湖南、贵州、广西、广东等省区。生于海拔250-1000米山地上的高草灌木丛或灌木丛林中。
用途(Use):
引自中国植物志英文版:FOC Vol. 12 Page 337, 351
Actinidia eriantha Bentham, J. Proc. Linn. Soc., Bot. 5: 55. 1861.
毛花猕猴桃 mao hua mi hou tao | Actinidiaceae  | Actinidia
Actinidia davidii Franchet; A. eriantha f. alba C. F. Gan; A. eriantha var. brunnea C. F. Liang; A. eriantha var. calvescens C. F. Liang; A. fulvicoma Hance var. lanata (Hemsley) C. F. Liang; A. lanata Hemsley.
Climbing shrubs, large, deciduous. Young branchlets, petioles, inflorescences, and sepals densely tomentose with milky-white to dirty yellow hairs to appressed-lanate, two-year-old branches ± with relict hairs; pith white, lamellate. Petiole short, 1.5-3 cm, thick; leaf blade abaxially pale green, adaxially green, ovate to broadly ovate, 8-16 × 6-11 cm, papery, abaxially densely white stellate tomentose, adaxially hispid-puberulent when young, glabrous to sparsely pilose only on midvein and lateral veins, midvein and lateral veins conspicuous abaxially, inconspicuous to subconspicuous adaxially, lateral veins 7 or 8 pairs, anastomosing, reticulation with many conspicuous cross-bars, base rounded or truncate to cordulate, margin callose-serrulate, apex acute to shortly acuminate. Inflorescences cymose, 1-3-flowered; peduncles 5-10 mm; pedicels 3-5 mm; bracts subulate, 3-4 mm. Flowers rose-pink, rarely white, 2-3 cm in diam. Sepals 2-3, broadly ovate, 7-9 mm, abaxially densely lacteous-tomentose. Petals 5, ovate or obovate, to 1.5 cm, apex and margin orange, middle and base pink. Filaments 5-7 mm, slender; anthers yellow, oblong, ca. 1 mm. Ovary globose, densely milky-white tomentose; styles 3-4 mm. Fruit cylindric-ovoid, 3.5-4.5 cm, always densely and persistently milky-white tomentose; persistent sepals reflexed. Seeds ca. 2 mm. Fl. May-Jun, fr. Nov. 2n = 58*.
● Forests, tall grassy thickets on low mountains; 200-1000 m. Fujian, Guangdong, Guangxi, Guizhou, Hunan, Jiangxi, Zhejiang.





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