Browsing by Author "XX676506"

Now showing items 1-2 of 2

Artículo

Ancestral reconstruction of flower morphology and pollination systems in Schizanthus (Solanaceae)

Pérez, Fernanda; Arroyo, Mary T. K.; Medel Contreras, Rodrigo; Hershkovitz, Mark (BOTANICAL SOC AMER INC, 2006-07)

Concerted changes in flower morphology and pollinators provide strong evidence on adaptive evolution. Schizanthus (Solanaccae) has zygomorphic flowers and consists of 12 species of annual or biennial herbs that are distributed ...
Artículo

Phylogeny of Chaetanthera (Asteraceae : Mutisieae) reveals both ancient and recent origins of the high ...

Arroyo, Mary T. K.; Hinojosa Opazo, Luis; Bell, Charles; Hershkovitz, Mark (ACADEMIC PRESS INC ELSEVIER SCIENCE, 2006-12)

Penalized likelihood analysis of previously published chloroplast DNA (cpDNA) ndhF sequences suggests that the central-southern Andean genus Chaetanthera diverged ca. 16.5 million years (my) ago, well before the uplift of ...