American Journal of Botany, Vol. 89, No. 1 (Jan., 2002), pp. 12-21 (10 pages) We report on the root system of the large columnar cactus species Pachycereus pringlei to explore the hypothesis that ...
This is a preview. Log in through your library . Abstract Five species of columnar cacti were examined with the aim of introducing new orchard crops to the Negev desert of Israel. The species ...