Viola calcicola

Evaluation of Viola calcicola on IUCN Red List: Near Threatened (ver. 3.1)

Taxonavigation

Taxonavigation: Malpighiales
Classification System: APG IV Superregnum: Eukaryota Regnum: Plantae Cladus: Angiosperms Cladus: Eudicots Cladus: Core eudicots Cladus: Rosids Cladus: Eurosids I Ordo: Malpighiales

Familia: Violaceae
Genus: Viola
Species: Viola calcicola

Viola calcicola R.A.McCauley & H.E.Ballard, J. Bot. Res. Inst. Texas 7(1): 13 (–17; figs. 1–4) (2013)

Type: U.S.A. Texas, Culberson Co.: Smith Canyon, above Frijole, E of Guadalupe Mountains, 1800 m, abundant about spring, in crevices of limestone rocks, flowers nearly white, the lower petal with prominent blue lines. 3 May 1947 (in flower and fruit), R. McVaugh 8149 (Holotype: TEX [TEX00211614^{(GBIF, JSTOR)}]; Isotypes: MICH [MICH1229105^(GBIF)], TEX).

Native distribution areas:

Northern America
- South-Central U.S.A.
  - New Mexico [see Notes], Texas.
    - Note: (a.) McCauley & Ballard (2013: 17–18) also cite paratypes collected in New Mexico, e.g.:
      - W.W. Dunmire 1091 (38 mi SW of Carlsbad, BLM Lonesome Ridge ACEC, perennial, growing in narrow cracks in limestone, N-facing cliffs, 5–15 ft above canyon bottom, T26S R22E Sec 19 N 1/2 of SE 1/4, 5040 ft, 29 March 1989, in flower; UNM [UNM0086646 (78118)^(GBIF)]);
      - P.J. Knight 1822 (Eddy Co.: mouth of Black Canyon on E side of Guadalupe Mts., ca 30 mi S of Carlsbad, on limestone, 5000 ft, 26 March 1982, in flower; deposited at UNM [UNM0086645 (75591)^(GBIF)]);
      - P.J. Knight 1981 (Eddy Co.: on limestone, mouth of Black Canyon on E side of Guadalupe Mts., ca 30 mi S of Carlsbad, 24 May 1982, in flower; deposited at UNM [UNM0086643 (75589)^(GBIF)]);
      - P.J. Knight 1983 (Eddy Co.: Big Canyon just N of Black Canyon, on E side of Guadalupe Mts. ca 30 mi S of Carlsbad, on limestone, 5000 ft, 24 May 1982, in flower and fruit; deposited at NY [NY03293055^(GBIF)], UNM [UNM0086644 (75590)^(GBIF)]);
      - P.J. Knight & R. Fletcher 3419 (collected in Big Canyon of the Guadalupe Mountains, T26S R21E Sec 24 NE 1/4 of the SE 1/4, 14 April 1987, in flower; deposited at UNM [UNM0086547 (80582)^(GBIF)]).
    - Note: (b.) Meredith et al. (2020) also recognize New Mexican occurrence.

McCauley, R.A. & Ballard, H.E. 2013. Viola calcicola (Violaceae), a new endemic violet from the guadalupe mountains of New Mexico and Texas. Journal of the Botanical Research Institute of Texas 7(1): 9–20. JSTOR . ResearchGate . BHL. Reference page.

Global Biodiversity Information Facility. 2023. GBIF Backbone Taxonomy. Checklist dataset. Taxon: Viola calcicola. Accessed: 2023 December 10.
Govaerts, R. et al. 2023. Viola calcicola in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2023 December 10. Reference page.
International Plant Names Index. 2023. Viola calcicola. Published online. Accessed: 10 December 2023.

Meredith, C.R., Hitsman, C. & Sandbom, K. 2020. Viola calcicola. The IUCN Red List of Threatened Species 2020. IUCN Red List Category: Near Threatened . DOI: 10.2305/IUCN.UK.2020-3.RLTS.T153763111A153954907.en.

English: Limestone Violet