Published October 28, 2022 | Version v1
Taxonomic treatment Open

Croton fuscus Muller Argoviensis 1865

  • 1. Instituto de Pesquisas Ambientais, Núcleo de Pesquisa Curadoria do Herbário, São Paulo, SP 01061 - 970, Brazil & Universidade Federal de São Paulo, Instituto de Ciências Ambientais, Químicas e Farmacêuticas, Departamento de Ecologia e Biologia Evolutiva, 09972 - 270, Diadema, SP, Brazil. & amanda. pnoronhap @ gmail. com; https: // orcid. org / 0000 - 0003 - 4874 - 129 X
  • 2. Real Jardín Botánico (RJB), CSIC, Plaza de Murillo 2, 28014, Madrid, Spain. & rriina @ rjb. csic. es; https: // orcid. org / 0000 - 0002 - 7423 - 899 X
  • 3. Instituto de Pesquisas Ambientais, Núcleo de Pesquisa Curadoria do Herbário, São Paulo, SP 01061 - 970, Brazil & Universidade Federal de São Paulo, Instituto de Ciências Ambientais, Químicas e Farmacêuticas, Departamento de Ecologia e Biologia Evolutiva, 09972 - 270, Diadema, SP, Brazil. & mbrcaruzo @ unifesp. br; https: // orcid. org / 0000 - 0002 - 8393 - 214 X

Description

13. Croton fuscus (Didr.) Müller Argoviensis (1865: 131).

Myriogomphos fuscus Didrichsen (1857: 143).

Type: BRAZIL. São Paulo: Franca, June 1834, P.W. Lund s.n. (holotype C; isotype G-DC 00312539!). (Fig. 7, F–I)

This subshrub can be recognized by its glabrescent young branches and leaves, rhombic or obovate leaf blades, and the presence of a xylopodium. The species is viscid due to the presence of glands along the margin of the stipules, bracts, and pistillate sepals. It is a member of section Barhamia subsect. Medea (van Ee et al. 2011).

Distribution and habitat:— Occurs in midwestern (MS), southern (PR), and southeastern (SP) Brazil (Caruzo & Cordeiro 2007, Caruzo et al. 2020), growing in the ‘cerrado’ habitat, between 555 and 730 m elevation. (Fig. 8).

Phenology:— Flowering and fruiting from September to October.

Representative specimens:— BRAZIL. Paraná: Campo Mourão, 14 October 1965, G. Hatschbach 13022 (HCF, MBM, RB). Idem, Cerrado Valtra, 24°00’36.69”S, 52°21’47.24”W, 555 m, 19 October 2016, A. P. N. Pereira, F. S. Petrongari & O. L. M. Silva 31 (SP). Tibagi, Fazenda Monte Alegre, Harmonia, 14 September 1952, G. Hatschbach 2807 (MBM, NY).

Notes

Published as part of Pereira, Amanda Da Paixão Noronha, Riina, Ricarda & Caruzo, Maria Beatriz Rossi, 2022, Croton (Euphorbiaceae) of the Brazilian state of Paraná: an annotated checklist, species distribution, and identification key, pp. 231-274 in Phytotaxa 570 (3) on pages 245-246, DOI: 10.11646/phytotaxa.570.3.1, http://zenodo.org/record/7260277

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Linked records

Additional details

Biodiversity

Collection code
C , F, S , G , HCF, MBM, RB, A, P, N , MBM, NY , O, L, M , SP, G
Event date
1952-09-14 , 1965-10-14 , 2016-10-19
Verbatim event date
1952-09-14 , 1965-10-14 , 2016-10-19
Scientific name authorship
Muller Argoviensis
Kingdom
Plantae
Phylum
Tracheophyta
Order
Malpighiales
Family
Euphorbiaceae
Genus
Croton
Species
fuscus
Taxon rank
species
Type status
holotype
Taxonomic concept label
Croton fuscus Argoviensis, 1865 sec. Pereira, Riina & Caruzo, 2022

References

  • Muller Argoviensis, J. (1865) Euphorbiaceae. Vorlaufige Mittheilungen aus dem fur De Candolle's Prodromus bestimmten Manuscript uber diese Familie. Linnaea 34: 1 - 224.
  • van Ee, B. W., Riina, R. & Berry, P. E. (2011) A revised infrageneric classification and molecular phylogeny of New World Croton (Euphorbiaceae). Taxon 60: 791 - 823. https: // doi. org / 10.3372 / wi. 41.41102
  • Caruzo, M. B. R. & Cordeiro, I. (2007) Sinopse da tribo Crotoneae Dumort. (Euphorbiaceae s. s.) no Estado de Sao Paulo, Brasil. Hoehnea 34: 571 - 585. https: // doi. org / 10.1590 / S 2236 - 89062007000400011
  • Caruzo, M. B. R., Secco, R. S., Medeiros, D., Riina, R., Torres, D. S. C., Santos, R. F., Pereira, A. P. N., Rossine, Y., Lima, L. R., Muniz-Filho, E., Valduga, E. (2020) Croton. In: Flora do Brasil 2020. Jardim Botanico do Rio de Janeiro. Available at: http: // floradobrasil. jbrj. gov. br / reflora / floradobrasil / FB 17497 (accessed 8 January 2022)