1.Leaves basal and cauline, alternate, rarely opposite or whorled, simple or variously compound, palmately nerved, rarely penninerved, with or without stipules.
2.In its youth A. concolor is a charmingly symmetrical tree with branches regularly whorled in level collars around its whitish-gray axis, which terminates in a strong, hopeful shoot.
年轻时 A. concolor 是一棵迷人对称树,树枝有规律灰白色轴周围呈水平衣领状排,终止于强壮、充满希望枝条。机翻
3.The primary branches are whorled regularly around the axis, generally in fives, while each is draped with long, feathery sprays, that descend in curves as free and as finely drawn as those of falling water.
4.The primary branches are whorled regularly around the axis, generally in fives, while each is draped with long, feathery sprays that descend in lines as free and as finely drawn as those of falling water.
5.The branches are mostly whorled in fives, and stand out from the straight, red-purple bole in level, or in old trees in drooping collars, every branch regularly pinnated like fern-fronds, making broad plumes, singularly rich and sumptuous-looking.
6.At an elevation of 6000 feet above the level of the sea the silver firs are 200 feet high, with branches whorled around the colossal shafts in regular order, and every branch beautifully pinnate like a fern frond.