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Phylogenetic Placement Of African Cornus: Evidence Of Nuclear Rdna, Scott Myers
Phylogenetic Placement Of African Cornus: Evidence Of Nuclear Rdna, Scott Myers
Mahurin Honors College Capstone Experience/Thesis Projects
The genus Comus (the dogwoods) contains 50 species that have been divided into nine subgenera. One of these species, C. volkensii, has been segregated into the subgenus Ajrocrania. Previous studies combined morphological, anatomical, and chemical data to produce a hypothesis of evolutionary relationships that placed the subg. Afrocrania as a segregate lineage sister to the subg. Comus, and placed the Ajrocrania/Comus lineage sister to the big-bracted dogwoods (Murrell 1997). The subgenus Afrocrania has been examined morphologically, anatomically, and palynologically; however, it was not sequenced in Xiang's (1993) analysis of rbcL (chloroplast) sequence data, or in her analysis of the matK …