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  • 美洲黑杨_百度百科
    美洲黑杨(学名:Populus deltoides Marshall)是杨柳科杨属植物。 落叶乔木,树体高大,在原生地最高可达50米;树冠广阔。 小枝光滑。 干形通直圆满,尖削度小,分枝粗度中等,树皮薄。 叶片大,心形,叶长14-21厘米,叶宽13-18厘米。
  • Populus deltoides - Wikipedia
    Populus deltoides is a large tree growing to 20–30 m (65–100 ft) tall and with a trunk up to 2 8 m (9 ft 2 in) diameter, one of the largest North American hardwood trees The bark is silvery-white, smooth or lightly fissured when young, becoming dark gray and deeply fissured on old trees
  • 美洲黑杨 - 中国百科网
    美洲黑杨种加词 deltoides 意为正三角形的,指叶形。 原产于北美洲,主要分布在美国东部、中部以及西南部,加拿大东南部及墨西哥东北部。 中国主要在华北平原、长江中下游平原以及四川盆地有引种栽培。 是一种速生、丰产的杨树树种,寿龄在70~100年。 乔木,高可达55米。 干直,深纵裂,灰褐色。 小枝圆柱形或五角形,黄褐色,后变为棕褐色,略粗糙,无毛或具稀疏长毛。 冬芽黄绿色,具黄色,略有香气的黏液;花芽在小枝上彼此分离。 叶柄侧扁,与叶片成直角,长3~8厘米,与叶片几乎等长。 叶三角状阔卵形,长3~9厘米,宽3~9厘米,长宽比(4∶5)~(6∶5),基部平截、宽楔形或心形,先端长渐尖或有短突尖;边缘具10~30稀疏的圆锯齿,半透明,有缘毛;浅绿色至灰绿色;无毛。
  • 美洲黑杨 Populus deltoides|iPlant 植物智——植物物种信息系统
    朱鑫鑫 @ 河南省 信阳市 ★河南: [信阳市]浉河区
  • Populus deltoides - Plant Finder - Missouri Botanical Garden
    Populus deltoides, commonly called eastern cottonwood, is a large, fast-growing, deciduous tree that typically grows 50-80’ (less frequently to 120’) tall with a broad, open-rounded shaped habit Yellowish twigs, coarsely toothed leaves and gummy end buds distinguish this from the other poplars
  • Populus deltoides (eastern cottonwood, necklace poplar): Go Botany
    Though necklace poplar (also known as eastern cottonwood) is a short-lived tree, already old at age 75, it can grow to 100 feet (30m) or more in height in its native streamside habitats Cottonwood gets its common name from the wads of cotton surrounding its seeds, which facilitate dispersal by wind and water
  • 美洲黑杨 - 生命大百科
    定义: The relative tolerance of the plant to anaerobic soil conditions 定义: The relative tolerance of the plant to calcareous soil Calcareous soil is defined as soil containing sufficient free CaCO3 and other carbonates to effervesce visibly or audibly when treated with cold 0 1M HCl
  • Populus deltoides W. Bartram ex Marshall
    Casual neophyte new to the flora of the province of Lodi (Lombardia) (Banfi Galasso, 2010) Populus deltoides is a distinct species with leaves up to 18 cm long or even longer, provided with more prominent and hooked marginal teeth
  • 三角叶杨_百度百科
    三角叶杨(学名:Populus deltoides)是杨柳科、杨树属的速生乔木,原产于北美洲。 叶片呈三角形,边缘有齿,下垂且随风沙沙作响,种子有絮毛;树干通直,侧枝细少,终身不修枝。
  • Populus deltoides - Plants of the World Online
    The native range of this subspecies is Central E Canada to Mexico It is a tree and grows primarily in the temperate biome





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