Embryo central in seed, straight, terete.

胚在种子的中心，直，圆柱状。

Branches gray-black to gray-brown, terete, sturdy, twigs greenish or yellow-greenish, striate.

分枝灰色黑色的到带绿色灰色棕色，圆柱状，粗壮，小枝带绿色的或黄带绿色，具条纹。