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对萼猕猴桃Actinidia valvata Dunn

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2025-01-14 07:06

对萼猕猴桃Actinidia valvata Dunn

别名：沙梨藤;猫人参;鑷合猕猴桃;糯米饭藤;镊合猕猴桃;光叶猕猴桃;水洋桃;猫气藤;

科名：猕猴桃科 Actinidiaceae

属名：猕猴桃属 Actinidia

《中国植物志》第49(2)卷218页
  8．对萼猕猴桃（拉汉种子植物名称）
  Actinidia valvata Dunn in Journ. Linn. Soc. Bot. 39: 404. 1911; Li in Journ. Arn. Arb. 33: 23-24. 1952.
  中型落叶藤本；着花小枝淡绿色，长10-15厘米，直径约2毫米，幼嫩时薄被极微小的茸毛，皮孔很不显著；隔年枝灰绿色，皮孔较显著；髓白色，实心。叶近膜质，阔卵形至长卵形，长5-13厘米，宽2.5-7.5厘米，顶端渐尖至浑圆形，基部阔楔形至截圆形，不下延或下延，两侧稍不对称；边缘有细锯齿，腹面绿色，背面稍淡，两面均无毛，叶脉不很发达，侧脉5-6对；叶柄水红色，无毛，长15-20毫米。花序2-3花或1花单生；花序柄长约1.5厘米，花柄不及1厘米，均略被微茸毛；苞片钻形，长1-2毫米；花白色，径约2厘米；萼片2-3片，卵形至长方卵形，长6-9毫米，两面均无毛或外面的中间部分略被微茸毛；花瓣7-9片，长方倒卵形，长1-1.5厘米，宽10-12毫米；花丝丝状，长约5毫米，花药橙黄色，条状矩圆形，长2.5-4毫米；子房瓶状，长约5毫米，洁净无毛，花柱比子房稍长。果成熟时橙黄色，卵珠状，稍偏肿，长2-2.5厘米，无斑点，顶端有尖喙，基部有反折的宿存萼片；种子长1.75-3.5毫米。
  主产华东，延及湖南、湖北。分2变种。

《Flora of China》 Vol. 12 (2007)
Actinidia valvata Dunn
对萼猕猴桃 dui e mi hou tao
Actinidia valvata var. boehmeriifolia C. F. Liang; A. valvata var. longipedicellata L. L. Yu.
Climbing shrubs, mid-sized, deciduous. Branchlets glabrous, lenticels on younger branchlets inconspicuous, subconspicuous on two-year-old branchlets; pith white, solid. Petiole pale red, 1.5-2 cm, glabrous; leaf blade abaxially pale green, adaxially green, broadly ovate to narrowly ovate, 5-13 × 2.5-7.5 cm, membranous to papery, both surfaces glabrous, veins inconspicuous, lateral veins 5 or 6 pairs, base broadly cuneate or truncate, oblique, decurrent or not, margin finely to coarsely serrate, apex acuminate to rounded. Inflorescences cymose, 1-3-flowered; peduncles ca. 1.5 cm; pedicels 1-4 cm, slightly puberulent; bracts linear, minute. Flowers white. Sepals 2 or 3, ovate to oblong-ovate, 6-9 mm, valvate, abaxially glabrous to sparsely puberulent. Petals 5-9, oblong-obovate, 1-2 cm. Filaments ca. 5 mm; anthers yellow, oblong to linear, 2.5-4 mm. Ovary bottle-shaped, ca. 5 mm, glabrous. Fruit orange when mature, ovoid to obovoid, 2-2.5 cm, not lenticellate, rostrate at apex; persistent sepals reflexed at base. Seeds 1.8-3.5 mm, ca. 2.5 mm in diam. Fl. May, fr. unknown. 2n = 116*.
● Sparse forests, thickets, low mountain valleys; ca. 1000 m. Anhui, Fujian, Guangdong, Hubei, Hunan, Jiangsu, Jiangxi, Zhejiang.