Published May 4, 2023 | Version v1
Taxonomic treatment Open

Stirkia Barros-Barreto & Jaramillo & Hommersand & G & Ferreira & Maggs 2023, gen. nov.

  • 1. Department of Botany, Federal University of Rio de Janeiro, Rua Professor Rodolpho P. Rocco 211, CCS-Bloco A, sala 66, 21941 - 902, Rio de Janeiro, RJ (Brazil) beatrizdebb @ gmail. com (corresponding author)
  • 2. Grupo DIVERSITAS, Facultad de Ciencias Básicas y Aplicadas, Universidad Militar Nueva Granada, kilómetro 2, Cajica-Zipaquira, Cajica, Cundinamarca (Colombia)
  • 3. Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599 - 3280 (United States) Department of Medical Biochemistry, Institute of Medical Biosciences, Federal University of Rio de Janeiro, RJ (Brazil)
  • 4. Department of Medical Biochemistry, Institute of Medical Biosciences, Federal University of Rio de Janeiro, RJ (Brazil)
  • 5. School of Biological Sciences, Queen's University, Belfast BT 9 5 AJ (Northern Ireland)

Description

Genus Stirkia Barros-Barreto & Maggs, gen. nov.

Thalli mainly erect, 10-200 mm high, consisting of irregularly branched axes with a wide variation in habit between species.Axes terete, partially to completely corticated, with apices straight to forcipate. Nodes formed by 6-8 periaxial cells each cutting off four cortical initials, two acropetal and two basipetal. Tetrasporangia formed by periaxial cells, unilateral/bilateral to verticillate, 1-3 per node, sometimes in stichidia-like groups immersed in the thalli. The rbc L alignment positions 696- 709 5’ GAACGATATGATCTT 3’ generated in this study.

TYPE SPECIES. — Stirkia fujiana (Barros-Barreto & Maggs) Barros-Barreto & Maggs, comb. nov.

ETYMOLOGY. — The name Stirkia was chosen to honour Wendy A. Stirk, who worked on growth and morphogenesis of Stirkia juliae (A.Millar) Barros-Barreto & Maggs, comb. nov.

Notes

Published as part of Barros-Barreto, Maria Beatriz, Jaramillo, Maria Alejandra, Hommersand, Max H., Ferreira, Paulo C. G. & Maggs, Christine A., 2023, Phylogenetic analysis of the red algal tribe Ceramieae reveals multiple morphological homoplasies but defines new genera, pp. 13-58 in Cryptogamie, Algologie 44 (2) on page 27, DOI: 10.5252/cryptogamie-algologie2023v44a2, http://zenodo.org/record/7938655

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Linked records

Additional details

Biodiversity

Family
Ceramiaceae
Genus
Stirkia
Kingdom
Plantae
Order
Ceramiales
Phylum
Rhodophyta
Scientific name authorship
Barros-Barreto & Jaramillo & Hommersand & G & Ferreira & Maggs
Taxonomic status
gen. nov.
Taxon rank
genus
Taxonomic concept label
Stirkia Barros-Barreto & Maggs, 2023