Molecular and Morphological Evidence Reveals a New Species of Antiphytum (Echiochiloideae, Boraginaceae) from Guerrero, Mexico Author Mendoza-D´, Nidia Posgrado en Ciencias Biológicas, Instituto de Biolog´ıa. Universidad Nacional Autónoma de México. 3 er. Circuito Exterior s / n, C. P. 04510 Ciudad de México, México Author Ochoterena, Helga Departamento de Botánica, Instituto de Biolog´ıa. Universidad Nacional Autónoma de México. Apartado Postal 70 - 233, C. P. 04510 Ciudad de México, México Author Moore, Michael J. Department of Biology, Oberlin College, Oberlin, Ohio 44074, USA Author Flores-Olvera, Hilda Departamento de Botánica, Instituto de Biolog´ıa. Universidad Nacional Autónoma de México. Apartado Postal 70 - 233, C. P. 04510 Ciudad de México, México & Author for correspondence (mahilda @ ib. unam. mx) mahilda@ib.unam.mx text Systematic Botany 2020 Basel, Switzerland 2020-02-25 45 1 190 199 https://doi.org/10.1600/036364420x15801369352469 journal article 310012 10.1600/036364420X15801369352469 0631c718-4fa2-4f95-b2b2-4552c1523680 1548-2324 15466917
TABLE 1. Main morphological characters that distinguish Antiphytum brevicalyx from morphologically similar species of the genus. The diagnostic feature of the new species is highlighted in bold.
A. brevicalyxA. floribundumA. heliotropioidesA. peninsulare
Glandular-capitate trichomesPresent on vegetativeAbsentAbsentPresent on vegetative
partsparts
Basal leaf rosetteAbsentPresentAbsentAbsent
Main axis of the inflorescence with alternatePresentPresentAbsentAbsent
hypopodia
Corolla diameter (mm)4.0–5.255.0–7.04.0–6.010.0–12.0
Relationship of calyx/corolla tube length atAll calyx lobes shorterCalyx lobes equal toCalyx lobes equal toCalyx lobes equal to
anthesislongerlongerlonger
Faucal appendagesPresentAbsentPresentPresent
Eremocarp shapeOvateOvateOvateTriangular
Eremocarp ornamentationTuberculate andTuberculateTuberculate andTuberculate and
papillatepapillatepapillate
Eremocarp cicatrix positionMedialSupra-basalInfra-medialMedial