ComprehendingCornus: Puzzles and progress in the systematics of the dogwoods
@article{Eyde1988ComprehendingCornusPA, title={ComprehendingCornus: Puzzles and progress in the systematics of the dogwoods}, author={Richard H. Eyde}, journal={The Botanical Review}, year={1988}, volume={54}, pages={233-351} }
Dogwoods evolved in two main lineages, a red-fruited line in which the inflorescences have basal bracts, and a blue-(or white-)fruited line in which the bracts are rudimentary or lacking. The 15 “red-line” species are mostly well marked, whereas “blue-line” species—numbering roughly 50 if some newer treatments be accepted—are mostly hard to tell apart. Red-line ovules are tenuinucellate, blue-line ovules crassinucellate. Dividing the red line separates cornelian cherries from the showy-bracted…
104 Citations
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