Texas Native Plants Database - Smilax bona-nox, Cat-brier, inhabits thickets, dry woods, roadsides and fields of Texas, and south into Mexico. This rampant vine with slender underground stolons can stay low and rambling or climb extensively by tendrils. It has stout four-angled canes sporting green, black or brown spines at the nodes and internodes. The leaves, which are greatly variable in shape, remain evergreen. Good barrier vine. Beloved by 13 species of birds for food and cover.
