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A New Variety of Ginkgo biloba ‘taishanyulian’

银杏新品种‘泰山玉帘’


‘泰山玉帘’是从银杏种质资源圃中发现的1个枝条自然下垂的单株,经过嫁接繁殖试验所得。叶片有2种类型: 一种为人字形叶片,中裂极深,可达叶片基底或接近基底; 另一种叶片的中裂较浅或极浅,叶片呈扇形、窄扇形或半圆形,叶片上缘呈波状或齿牙状短裂。雌株,雌球花有长梗,梗端有1~2盘状珠座,每座生1胚珠,发育成种子。种子核果状,种核(即白果)较小,外种皮肉质,有白粉。10—11月果熟,熟时淡黄或橙黄色,有臭味。中种皮骨质,白色; 内种皮膜质。

Variety ‘taishanyulian’ is derived from an individual tree with natural drooping branches found in a Ginkgo germplasm resource garden, after grafting propagation experiment. The leaves have two types: one is a herringbone blade with a deep crack that reaches to vane base or near base; another kind of blade with a shallow or very shallow crack, narrow blade, fan-shaped or semiorbicular, leaf margin wavy or toothed shaped short crack. Female plants, female cone has a long stalk, stem distal end has 1-2 disk-shaped beads, each bead 1 ovule that develops into a seed. Seed is drupelike, kernel (i.e. Ginkgo) smaller, exocarp fleshy, with white powders. From October to November when fruits ripe, with yellow or orange color, smell. Testa is bony, white; and endotesta is membranaceous.


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