Pachycereus schottii (Engelm.) D. R. Hunt的圖片
描述：
Arborescent cactus in thorn scrub thicket on coarse granitic soil of gently sloping coastal plain. Note distinctive clustering of longer spines (the 'whiskers' in the upper third of the stems.
Arborescent cactus in thorn scrub thicket on coarse granitic soil of gently sloping coastal plain. Note distinctive clustering of longer spines (the 'whiskers' in the upper third of the stems.
