We have investigated the consequences of endogenous limitations in oxygen delivery for phloem transport in Ricinus communis. In situ oxygen profiles were measured directly across stems of plants ...
American Journal of Botany, Vol. 88, No. 8 (Aug., 2001), pp. 1331-1339 (9 pages) Phylogenetic analysis provides a rational basis for comparative studies of phloem structure and phloem loading.
Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. The cambium and its "zone" is a cell generator (reproductive tissue called ...
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