Pleroma magdalenense ( Brade 1938: 74 ) F.S.Mey. & R.Goldenb.

Meyer, Fabrício Schmitz, Arantes, Fabíula Moreno & Goldenberg, Renato, 2024, Two new species and a new combination in Pleroma (Melastomataceae) from the Brazilian Atlantic Forest, Phytotaxa 638 (3), pp. 209-226 : 221-223

publication ID

https://doi.org/ 10.11646/phytotaxa.638.3.1

DOI

https://doi.org/10.5281/zenodo.13212936

persistent identifier

https://treatment.plazi.org/id/03CF8784-8B7C-FF90-3B82-5E9AEBB9EAF8

treatment provided by

Felipe

scientific name

Pleroma magdalenense ( Brade 1938: 74 ) F.S.Mey. & R.Goldenb.
status

comb. nov.

Pleroma magdalenense ( Brade 1938: 74) F.S.Mey. & R.Goldenb. View in CoL , comb. nov. ( Figures 7−8 View FIGURE 7 View FIGURE 8 ).

Basionym:— Tibouchina magdalenensis Brade (1938: 74) View in CoL .

Type:― BRAZIL. Rio de Janeiro: Santa Maria Magdalena, Pedra Dubois , 28 February 1934, (fr.), J. Santos Lima . & A. C. Brade 13237 (holotype: RB 00662326 digital image!; isotypes: RB 00541566 digital image!, RB 00662432 digital image!, SP!) .

Paratypes: — BRAZIL. Rio de Janeiro: Santa Maria Magdalena, Morro da Estação, 28 February 1935, (fr.), J. Santos Lima . & A. C. Brade 14264 ( RB 00541567 digital image!, RB 00556738 digital image!, RB 00556739 digital image!, RB 00556740 digital image!).

Additional specimens examined: — BRAZIL. Rio de Janeiro: São Fidélis, Parque Estadual do Desengano, Serra Pedra do Marial , 21°52’01”S, 41º54’48”W, 27 January 2016, (fl.), C. Baez & T. Lima 449 ( RB digital image!, UPCB!). Santa Maria Madalena, Parque Estadual do Desengano , trail to summit of Pico do Desengano , 10 February 2011, (fl.), F. A. Michelangeli et al. 1617 ( UPCB!, NY!) GoogleMaps ; ibidem, 21°52’54”S, 41°56’36”W, 2 March 2004, (fl., fr.), R. C. Forzza et al. 2851 ( MBM!, RB digital image!) GoogleMaps ; Subida para a Pedra Dubois , 9 May 2009, (fl), V. C. Souza et al. 33581 ( ESA!) .

Note: Pleroma magdalenense ( Figures 7 View FIGURE 7 and 8 View FIGURE 8 ) was indicated as a synonym of Pleroma heteromallum (D. Don 1822: t. 644) D. Don (1823: 295) in Guimarães et al. (2019), but both are certainly distinct taxa, differing by its cylindrical branches in the former (vs. angular in P. heteromallum ), slightly discolorous leaves (vs. strongly discolorous), oblong and costate fruits (vs. globose and ecostate). Pleroma magdalenense is endemic to the state of Rio de Janeiro, and it has been collected in the municipalities of São Fidélis and Santa Maria Madalena (approximately 45 km apart), in the surroundings of the “Parque Estadual do Desengano”, always in vegetation associated to granitic inselbergs. On the other hand, Pleroma heteromallum seems to be restricted to the state of Minas Gerais, occurring in several municipalities along the Espinhaço Range, in “cerrado” and “campos rupestres”. Since this species was considered a synonym of P. heteromallum , it was not transferred to Pleroma ( Guimarães et al. 2019) , and that’s why we provide the new combination here.

J

University of the Witwatersrand

A

Harvard University - Arnold Arboretum

C

University of Copenhagen

SP

Instituto de Botânica

RB

Jardim Botânico do Rio de Janeiro

UPCB

Universidade Federal do Paraná

F

Field Museum of Natural History, Botany Department

NY

William and Lynda Steere Herbarium of the New York Botanical Garden

R

Departamento de Geologia, Universidad de Chile

MBM

San Jose State University, Museum of Birds and Mammals

V

Royal British Columbia Museum - Herbarium

ESA

Universidade de São Paulo

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Myrtales

Family

Melastomataceae

Genus

Pleroma

Loc

Pleroma magdalenense ( Brade 1938: 74 ) F.S.Mey. & R.Goldenb.

Meyer, Fabrício Schmitz, Arantes, Fabíula Moreno & Goldenberg, Renato 2024
2024
Loc

Pleroma magdalenense ( Brade 1938: 74 ) F.S.Mey. & R.Goldenb.

Brade, A. C. 1938: 74
1938
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