Ipomoea edwardsensis (Convolvulaceae) at specific rank
DOI:
https://doi.org/10.17348/jbrit.v13.i1.830Abstract
Ipomoea costellata var. edwardsensis is distinct in morphology, phenology, and geography from typical I. costellata and is treated here at specific rank, as Ipomoea edwardsensis (O’Kennon & Nesom) O’Kennon, comb. et stat. nov.
Literaturhinweise
O'Kennon, R.J. & G.L. Nesom. 2002. A new variety of Ipomoea costellata (Convolvulaceae) from the Edwards Plateau region of Texas. Sida 20:39–45.
Taylor, K.N. & R.J. O’Kennon. 2016. The vascular flora of Enchanted Rock State Natural Area, Llano and Gillespie counties, Texas, U.S.A. J. Bot. Res. Inst. Texas 10(1):267–294.