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- Title
Molecular and morphological evidence for recognition of two species within Harpagonella (Amsinckiinae, Boraginaceae).
- Authors
Guilliams, C. Matt; Timothy Jang; Baldwin, Bruce G.
- Abstract
Recent taxonomic treatments of the genus Harpagonella have included only one lower taxon, H. palmeri A. Gray. However, a larger-fruited variety of H. palmeri from Arizona and Sonora was described by I.M. Johnston in 1924. He continued to recognize this taxon - H. palmeri var. arizonica - in his treatment of the genus in Kearney and Peebles's Arizona Flora in 1960. Here, we provide two lines of molecular evidence and quantitative morphological evidence from calyx characters showing that plants of Harpagonella from Arizona, Sonora, and central Baja California, corresponding to Johnston's var. arizonica, are distinct from H. palmeri of southern California and Baja California. We make the new combination Harpagonella arizonica (I.M. Johnston) Guilliams & B.G. Baldwin, comb. nov. for the plants from Arizona, Sonora, and central Baja California.
- Subjects
PECTOCARYA; MOLECULAR biology; MORPHOLOGY; TAXONOMY; CALYX; ARIZONOSIS
- Publication
PhytoKeys, 2016, Issue 70, p17
- ISSN
1314-2011
- Publication type
Article
- DOI
10.3897/phytokeys.70.9053