Sequences from 14 slowly evolving chloroplast genes (including three highly conserved introns) were obtained for representative basal angiosperm and seed-plant taxa, using novel primers described here ...
"A compilation of the papers presented at the symposium 'Phytochemistry and angiosperm phylogeny' held on August 15, 1979, at Oklahoma State University, Stillwater, under the primary sponsorship of ...
1. The one-celled ovary of Sassafras is normally borne in an ovulate flower in which there are 6 rudimentary stamens. The ovule is solitary, anatropous, and may form more than one archesporial cell.
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