thornlike

thornlike

1. winter buds small, triangular, apex obtuse, outer pairs of bud scales persistent and thornlike, 1.5-2.5 mm, reddish brown.

冬芽小，三角形，先端钝，外部宿存的芽鳞和刺状，1.5-2.5毫米，带红色棕色。

2. petiole persistent and thornlike;

叶柄存在和刺状；

3. petiole sometimes persistent and thornlike;

叶柄有时宿存并刺状；

4. Fruiting bracts slightly compressed, with a thornlike appendage on each side, apex with 2 teeth;

果苞片稍压扁，具一刺状附属物在每边，先端具2齿；

5. thornlike projection

棘状隆起

6. 13(12) Plants usually thorny; twigs thornlike, bearing leaves and flowers, or twigs with needlelike thorns; leaf blade small, usually shorter than 7 cm.

植株通常多刺；小枝刺状，着生叶和花，或小枝具刺；小的叶片，通常短于7厘米