[1.7] Viola sect. Rosulatae

Viola sect. Rosulatae Reiche in Nat. Pflanzenfam., ed. 1 [Engler & Prantl], 3(6): 335. 1895.

 Viola sect. Andinium W. Becker in Nat. Pflanzenfam., ed. 2 [Engler & Prantl], 21: 374. 2021

Type species: Viola rosulata Poepp. & Endl., Nov. Gen. Sp. Pl. [Poeppig & Endlicher] 2: 49. 1838.

Diagnostic characters.—Perennial or annual subacaulous, more or less hairy rosetteforming herbs. Lamina flexible, elliptical, narrowly to broadly obovate, orbicular, or rhomboid, deeply to shallowly crenate, sinuous-crenate, dentate, incised, pinnatifid, or rarely entire when plant perennial.

Included species.—56

Viola(Rosulatae) sp. 02, ined., V. (Rosulatae) sp. 04, ined., V. (Rosulatae) sp. 05, ined., V. (Rosulatae) sp. 06, ined., V. argentina W. Becker, V. aurantiaca Leyb., V. calchaquiensis W. Becker, V. chamaedrys Leyb., V. cistanthe, ined., V. congesta Gillies ex Hook. & Arn., V. decipiens Reiche, V. escarapela J. M. Watson & A. R. Flores, V. evae Hieron. ex W. Becker, V. exilis Phil., V. exsul J. M. Watson & A. R. Flores, V. farkasiana J. M. Watson & A. R. Flores, V. ferreyrae P. Gonzáles, V. friderici W. Becker, V. frigida Phil., V. gelida J. M. Watson, M. P. Cárdenas & A. R. Flores, V. glechomoides Leyb., V. granulosa Wedd., V. hillii W. Becker, V. hippocratica J. M. Watson & A. R. Flores, ined., V. imbricata J. M. Watson & A. R. Flores (et al.), ined., V. kermesina W. Becker, V. lanifera W. Becker, V. lilloana W. Becker, V. llullaillacoensis W. Becker, V. longibracteata P. Gonzáles & J. M. Watson, ined., V. montagnei Gay, V. multiflora, ined., V. nazarenoensis, ined., V. neuquenensis J. M. Watson & A. R. Flores, ined., V. niederleinii W. Becker, V. ornata D. Montesinos & J. M. Watson (et al.), ined., V. philippiana Greene, V. philippii Leyb., V. replicata W. Becker, V. rhombiloba H. E. Ballard, ined. [Monheim s. n.], V. rodriguezii W. Becker, V. roigii Rossow, V. rosulata Poepp. & Endl., V. rubromarginata J. M. Watson & A. R. Flores, V. rugosa Phil. ex W. Becker, V. singularis J. M. Watson & A. R. Flores, V. spegazzinii W. Becker, V. stellaris, ined., V. tectiflora W. Becker, V. tholiformis, ined., V. tovarii P. Gonzáles & Molina-Alor, V. trochlearis J. M. Watson & A. R. Flores, V. umbrina, ined., V. volcanica Gillies ex Hook. & Arn., V. watsoniana A.R. Flores & Nicola , V. xanthopotamica J. M. Watson & A. R. Flores 

V. imbricata J. M. Watson & A. R. Flores et al., Phytotaxa Vol. 677 (3) 2024 10.11646/phytotaxa.677.3.3 > see  

Distribution.—Its species are recorded between northern-central Peru and northern Patagonia, mainly at Andean elevations, but with a few down to subandean. There is no single centre of diversity, but significant concentrations occur in southern Peru, northwest Argentina, central Chile and Argentinian N Patagonia.

Etymology: Rosulatae describes the closely rosetted growth form of the species of this section.

1. Marcussen, T. et al. A Revised Phylogenetic Classification for Viola (Violaceae). Plants 11, 2224 (2022). p. 40-41

2. Watson, J.M., Flores, A.R., Nicola, M.V. & Marcussen, T. (2022) Viola subgenus Neoandinium, Preliminary Monograph. International Rock Gardener: Glasgow, UK, pp. 191. [https://www.srgc.net/documents/publications/Viola%20monograph.pdf]

Iconography: Header image

Photogallery