Black
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Last Update: 2021-01-11
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Source: Internet
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Author: User
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。department is a genus of the Department of Science and Ology.
。
。 Form:
deciduous trees, up to
15m
; The bark is brown-grey and cracked. Small branches are brown, hairy when they are young, and fall off after they fall off;
2
years old and above are sometimes winged with wooden bolts. Leaf inverted egg shape, long 5-10cm , first end protrusion tip, the base side wedge, the other side round, the edge has heavy jagged teeth, the ken face rough, the back veins have hair, the leaf handle is silky soft hair. Flower clusters. The winged fruit is egg-shaped and
0
.
9-1
。
4cm
, dredging hair, seeds close to the gap, flowering 3-4
;
。
distribution:
produced in Liaoning, Hebei, Shanxi and other provinces, often born in limestone mountains or valleys.
。
。 Habits:
, cold, drought-resistant. Deep root, strong germination. Breeding, cultivation and use are similar to eucalyptus trees.
。
。 Its variant spring sepam: the main difference with black sash is wingless hairless. Northeast China's forest areas and Hebei, Shaanxi, Gansu, Shandong, Anhui, Jiangsu and other provinces;
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