討論:台灣羊桃

山羊百科,林文智老師的植物、山岳、攝影紀錄

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3. Actinidia chinensis Planch. var. setosa Li 台灣羊桃

Climbing shrubs to 8 m or more; branches reddish-brown, with pale oblong lenticels, young branchlets setose; pith large, lamellate, whitish or yellowish. Leaves chartaceous, mostly suborbicular, emarginate to short cuspidate, rounded to more or less cordate at base, 6-12 cm long and broad, minutely denticulate, upper surface puberulous, lower surface very pale, densely whitish stellate-tomentose, lateral veins 5-8 per side; petioles 3.5-7.5 cm long, densely pubescent. Inflorescences few-flowered cymes, from axils of fallen leaves, pubescent; peduncles ca. 1.5 cm long; pedicels 1-2 cm long; bracts minute, linear; flowers orange-yellow, staminate slightly smaller; sepals 5, sometimes 3 or 4, ovate-oblong, 8-10 mm long, 6-8 mm broad; petals 5, broadly obovate, short clawed, rounded at apex, 1.4-1.5 cm long, 1-1.2 cm. broad; ovary subglobose, 6-7 mm across, densely brownish villose; styles linear, 5-6 mm long. Fruit subglobose to ellipsoid, ca. 3 cm across, densely brownish hirsute.

Endemic. In forests at medium to high altitudes.

ILAN: 710 forest road, Wagner 6560. HSINCHU: Kuanwu, Peng 14939. TAICHUNG: Lileng forest road, Shen 614. NANTOU: Tienchih, Liao 1378. HUALIEN: Halun, Peng 7280.

完全星毛系 Ser. Perfectae C. F. Liang

中华猕猴桃 Actinidia chinensis Planch.

大型落叶藤本;幼一枝或厚或薄地被有灰白色茸毛或褐色长硬毛或铁锈色硬毛状刺毛,老时秃净或留有断损残毛;花枝短的4-5厘米,长的15-20厘米,直径4-6毫米;隔年枝完全秃净无毛,直径5-8毫米,皮孔长圆形,比较显著或不甚显著;髓白色至淡褐色,片层状。叶纸质,倒阔卵形至倒卵形或阔卵形至近圆形,长6-17厘米,宽7-15厘米,顶端截平形并中间凹入或具突尖、急尖至短渐尖,基部钝圆形、截平形至浅心形边缘具脉出的直伸的睫状小齿,腹面深绿色,无毛或中脉和侧脉上有少量软毛或散被短糙毛,背面苍绿色,密被灰白色或淡褐色星状绒毛,侧脉5-8对,常在中部以上分歧成叉状,横脉比较发达,易见,网状小脉不易见;叶柄长3-6(-10)厘米,被灰白色茸毛或黄褐色长硬毛或铁锈色硬毛状刺毛。聚伞花序1-3花,花序柄长7-15毫米,花柄长9-15毫米;苞片小,卵形或钻形,长约1毫米,均被灰白色丝状绒毛或黄褐色茸毛;花初放时白色,放后变淡黄色,有香气,直径1.8-3.5厘米;萼片3-7片,通常5片,阔卵形至卵状长圆形,长6-10毫米,两面密被压紧的黄褐色绒毛;花瓣5片,有时少至3-4片或多至6-7片,阔倒卵形,有短距,长10-20毫米,宽6-17毫米;雄蕊极多,花丝狭条形,长5-10毫米,花药黄色,长圆形,长1.5-2毫米,基部叉开或不叉开;子房球形,径约5毫米,密被金黄色的压紧交织绒毛或不压紧不交织的刷毛状糙毛,花柱狭条形。果黄褐色,近球形、圆柱形、倒卵形或椭圆形,长4-6厘米,被茸毛、长硬毛或刺毛状长硬毛,成熟时秃净或不秃净,具小而多的淡褐色斑点;宿存萼片反折;种子纵径2.5毫米。

46c. 刺毛獼猴桃

Actinidia chinensis Planeh. var. setosa. Li

幼枝被鐵銹色硬毛狀刺毛。葉闊卵形或近圓形,長12-17釐米,寬10-15釐米,頂端急尖或短漸尖,基部常心形,腹面或疏或密地被短糙毛;葉柄被鐵銹色硬毛狀刺毛。花直徑1.8釐米左右。果近球形至橢圓形,被長硬毛。

產我國臺灣。生於海拔1300-2600米的阿里山上。

本變種有別於上述2變種的形態分化特徵是植物體上的硬毛更加普遍和發達;葉片的形狀已不作倒卵形。它是臺灣島上獨有的植物之一。

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