Abstract:

‘Jubao’ is a new variety of Ginkgo biloba with narrow crown. It is derived from an individual tree found in a ginkgo resource garden, by optimizing comparative cultivation test. Its crown is obviously different from the ordinary varieties. with a compact narrow ovate, and all branches are obliquely growing and bending toward the trunk. The crown wide at the widest point is only about 40 cm; leaves are sector in shape, and small and dense; the long branches of branch are approximate 28~30 cm, with 61~82 blades. The largest leaf dimension is 3 cm×4 cm, while the smallest dimension is 1 cm×2 cm. This variety is female, and the female cone has a long stem with 1~2 disk-shaped beads on the end, each student yields 1 ovule that develops into a seed; seed is drupelike, subglobose, exocarp fleshy, covered with white powders; fruits ripen during October and November, when ripe the fruit exhibits yellow or orange color, with bad smell. The testa is bony, white and the endotesta is membranaceous.

Key words: jubao, Ginkgo biloba, new variety