討論:硬齒獼猴桃
山羊百科，林文智老師的植物、山岳、攝影紀錄
2. Actinidia callosa Lindl., Nat. Syst. Ed. 2. 439. 1835.
2a. var. callosa. 硬齒獼猴桃 Pl.316
Tall climbing to 7 m or more long; glabrous or young branchlets tomentose, dark gray to reddish brown, with distinct conspicuous long yellowish lenticels; pith of branchlets solid, firm, light orange, pith of branches irregularly lamellate. Leaves chartaceous, ovate, ovate-oblong, oblong to oblong-lanceolate, ca. 6-15 cm long, 2.5-9 cm broad, acute to acuminate at apex, rounded, cuneate-rounded to subcordate at base, serrulate or subentire, glabrous or tomentose in vein axils on both surfaces, lateral veins 5-7 per side; petioles slender, 1.5-5.5 cm long, reddish or green, strigose or glabrous. Inflorescences axillary cymes, 1-5 flowered, the pedicels nearly glabrous, 5-20 mm long, bracts minute; flowers white; sepals 5, oblong or ovate, rounded to obtuse at apex; petals 5, broadly oblong-ovate to oblong-lanceolate, rounded to obtuse at apex, cuneate and contracted at base; ovary subglobose to oblong-ovoid, densely tomentose. Fruit subglobose, oblong-ovoid or ellipsoid, ca. 2-3.5 cm long, 2-2.5 cm across, glabrous, grayish green, obscurely lenticellate.
S. Asia, from S. China, Taiwan, Indochina and India to Malaysia. Taiwan, in thickets and forests at low to medium altitudes.
TAIPEI: Matsao, Yangminshan, Peng 8644. ILAN: Taipingshan, Peng 7872. TAICHUNG: Tahsuehshan forest road, Peng 619. NANTOU: Fenghuangshan, Peng 607; Meifeng, Wang 80. TAITUNG: Chin-shui-ying, Yang 23728.
斑果组 Sect. Maculatae Dunn
硬齿猕猴桃 Actinidia callosa Lindl.
大型落叶藤本；着花小枝长5-15厘米，一般8-12厘米，直径2.5-3毫米，洁净无毛，个别有极少量硬毛，皮孔相当显著，髓淡褐色，片层状或实心，芽体被锈色茸毛；隔年枝灰褐色，直径3-5毫米，干时有皱纹状纵棱，皮孔开裂或不开裂，髓片层状。叶卵形、阔卵形、倒卵形或椭圆形，长5-12厘米，宽3.5-8.5厘米，顶端急尖至长渐尖或钝形至圆形，基部阔楔形至圆形或截形至心形，边缘有芒刺状小齿或普通斜锯齿乃至粗大的重锯齿，齿尖通常硬化，腹，面深绿色，完全无毛，仅个别变种有少量小糙伏毛，背面绿色，完全无毛或仅侧脉腋上有髯毛，叶脉比较发达，在上面下陷，在背面隆起呈圆线形，侧脉6-8对，横脉不甚显著，网状小脉不易见；叶柄水红色，长2-8厘米，洁净无毛，仅个别变种有少数硬毛；花序有花1-3朵，通常1花單生；花序柄7-15毫米，花柄11-17毫米，均无毛或有毛。花白色，直径约15毫米；萼片5片，卵形，长4-5毫米，无毛或被黄褐色短绒毛，或内面薄被短绒毛，外面洁净无毛；花瓣5 片，倒卵形，长8-10毫米，花丝丝状，长3-5毫米，花药黄色，卵形箭头状，长1.5-2毫米；子房近球形，高约3毫米，被灰白色茸毛，花柱比子房稍长。果墨绿色，近球形至卵珠形或乳头形，长1.5-4.5 厘米，直径1-1.7厘米，有显著的淡褐色圆形斑点，具反折的宿存萼片。种子长2-2.5毫米。
产长江以南各省区，西起云贵高原和四川内陆，东至台湾省都产。本种是一个庞杂的 大类群，形态种种。其共同点是近全体无毛，仅部分的脉腋和花序花萼等处被毛；枝、茎较 坚较直，干后多呈泥黄色，叶干后也多呈泥黄色；果呈或长或短的乳头形。
