Abstract
The Pseudolima clade (Miconia sect. Krugiophytum) consists of two Puerto Rican species, M. karlkrugii and M. krugiana and one Hispaniolan species, M. inaequipetiolata. All three species display morphological characters (e.g., bulla-based hairs) that resemble those found in Miconia sect. Lima, and for that reason had been considered to be putative members of the Lima clade. Molecular phylogenetic analyses, presented here, suggest that these taxa actually are not most closely related to members of the Lima clade, and thus it appears likely that the characters seemingly linking these species with the Lima clade either are symplesiomorphic or convergent. These three species are representative of the taxonomic difficulties regarding determination of clade affinities (and generic limits) using morphological characters, which is a common problem in Miconieae. We provide a taxonomic revision of these three species including illustrations, distribution maps and descriptions.
Resumen
El clado Pseudolima (Miconia secc. Krugiophytum) consta de dos especies de Puerto Rico, M. karlkrugii y M. krugiana, y una de La Española, M. inaequipetiolata. Las tres especies muestran caracteres morfológicos (e.g., tricomas expandidos en la base) que se asemejan a los que se encuentran en Miconia sect. Lima y por esa razón han sido considerado como miembros putativos del clado Lima. Los análisis de filogenética molecular presentados aquí sugieren que estas especies están más relacionados a otros clados que al clado Lima, por lo que los caracteres semejantes a los del clado Lima probablemente son plesiomórficos o convergentes. Estas tres especies demuestran las dificultades taxonómicas con la delimitación de las afinidades de clados (y límites genéricos) tomando en cuenta solo la morfología, un problema muy común en la tribu Miconieae. Proveemos una revisión taxonómica de estas tres especies que incluye ilustraciones, mapas de distribución y descripciones.
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Acknowledgments
We thank M. Parks for the beautiful illustrations presented here, K. Neubig (FLAS) for help with lab work, J.D. Skean, Jr. (Albion College) and F. Axelrod (UCRRP) for information regarding M. karlkrugii and M. krugiana. We also thank numerous herbaria (A, DUKE, F, GH, JBSD, MICH, MO, MSC, NY, S, US) for loans used in our revision and UCMM for access to their collections, as well as K. Perkins, T. Linder, and N. Williams (FLAS) for handling loan materials. J. Dan Skean, Jr. and Eldis Bécquer (HAJB) provided helpful comments on an earlier version of this manuscript, and J. Dan Skean, Jr. provided photos of M. krugiana. This work was supported by a grant from the National Science Foundation (BSR-0818399).
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APPENDIX 1. Voucher specimens used in our phylogenetic analyses along with repository and associated GenBank numbers for ETS, ITS, accD-pasI and psbK-psbI. Missing data are represented with an em dash (—).
APPENDIX 1. Voucher specimens used in our phylogenetic analyses along with repository and associated GenBank numbers for ETS, ITS, accD-pasI and psbK-psbI. Missing data are represented with an em dash (—).
Calycogonium glabratum DC., Skean 4151 (FLAS), —, EU055645, —, KF821795; Calycogonium rhamnoideum Naudin, Skean 5000 (FLAS), KF820605, KF821414, KF819885, KF821806; Calycogonium turbinatum Urb. & Ekman, Judd 8123, (FLAS), KF820592, KF821417, KF819888, KF821810; Clidemia barbeyana Cogn., Michelangeli 1482 (NY), KF820622, KF821423, KF819901, KF821825; Clidemia wrightii Griseb., Becquer 83852 (HAJB), KF820716, KF821470, KF819971, KF821916; Miconia argentimuricata Majure & Judd, Becquer 86122 (HAJB), KF821302, KF821749, KF820496, KF822487; Miconia asperifolia (Naud.) Majure & Judd, Judd 8300 (FLAS), KF821279, KF821732, KF820475, KF822465; Miconia blancheana Urb., Clase 4190 (JBSD), KF821322, EU055871, KF820511, KF822505; Miconia granulata (Urb.) Majure & Judd, Becquer 82266 (FLAS), KJ933938, KJ933987, KJ933895, KJ934040; Miconia heterophylla (Naudin) M. Gómez, Skean 4233 (FLAS), KF820597, —, KF819878, KF821798; Miconia hispidula (Cogn.) Judd, Bécquer & Majure, Skean 3151 (FLAS), KF820598, EU055648, KF819879, KF821799; Miconia inaequipetiolata Majure & Judd, Clase 6960 (FLAS), KJ418739, KJ418734, KJ418744, KJ418729; Miconia jashaferi Majure & Judd, Becquer 85489 (HAJB), KF821304, EF418913, KF820498, KF822489; Miconia karlkrugii Majure & Judd, Fritsch s.n. (SPF), KF821293, KF821742, KF820488, KF822479; Miconia krugiana (Cogn.) Majure & Judd, Skean 3820 (FLAS), —, KJ933991, —, KJ934044; Miconia lima (Desr.) M. Gómez, Majure 4334 (FLAS), KJ418740, KJ418735, —, KJ418730; Miconia microphylla (C. Wright) M. Gómez, Becquer 84641 (HAJB), KF820600, KF821411, KF819881, KF821801; Miconia moensis (Britton) Alain, Michelangeli 1484 (NY), KF821126, KF821657, KF820338, KF822313; Miconia norlindii (Urb.) Majure & judd, Becquer 83858 (HAJB), KF821317, —, KF820508, KF822500; Miconia ottoschmidtii (Urb.) Majure & judd, Becquer 82434 (FLAS), KF821303, KF821750, KF820497, KF822488; Miconia pedunculata Majure & Judd, Skean 4103 (FLAS), KF821307, KJ418738, KF820501, KF822492; Miconia umbellata (Mill.) Judd & Ionta, Judd 8084 (FLAS), KF820711, EU055674, KF819967, KF821911; Miconia vegaensis (Cogn.) Judd, Bécquer & Majure, Skean 4330 (FLAS), KF820715, —, KF819970, KF821915; Ossaea baracoensis Borhidi & O. Muniz, Michelangeli 1470 (NY), KF821281, KF821734, KF820477, KF822467; Ossaea brachystemon Urb., Becquer 83871 (HAJB), KF821283, KF821736, KF820479, KF822469; Ossaea hirsuta (Sw.) Triana, Judd 8311 (FLAS), KF821292, KF821741, KF820487, KF822478; Ossaea ovatifolia Urb., Becquer 82485 (FLAS), —, KJ418733, KJ418743, KJ418728.
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Majure, L.C., Judd, W.S. & Michelangeli, F.A. Taxonomic revision of the Greater Antillean Pseudolima clade of Miconia (Miconia sect. Krugiophytum: Miconieae: Melastomataceae). Brittonia 67, 11–28 (2015). https://doi.org/10.1007/s12228-014-9349-x
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DOI: https://doi.org/10.1007/s12228-014-9349-x