Viola cornuta | BotanAI

Plate 1 figs. a–h · 8 separate observations

Viola cornuta, photographed by Carlos Franquinho — fig. a Carlos Franquinho, CC BY-SA 4.0 / 2022-05-25 / obs. 202992491

Viola cornuta, photographed by bigayon — fig. b bigayon, CC BY 4.0 / obs. 156623827

Viola cornuta, photographed by Bastien Alegot — fig. c Bastien Alegot, CC BY 4.0 / obs. 165942851

Viola cornuta, photographed by Yves Bas — fig. d Yves Bas, CC BY 4.0 / obs. 158409109

Viola cornuta, photographed by Rafael Medina — fig. e Rafael Medina, CC BY 4.0 / obs. 90306322

Viola cornuta, photographed by natomik — fig. f natomik, CC BY 4.0 / obs. 119697273

Viola cornuta, photographed by J Mark Earlam — fig. g J Mark Earlam, CC0 1.0 / obs. 114849365

Viola cornuta, photographed by Andrew Melton — fig. h Andrew Melton, CC BY 4.0 / obs. 79286581

Every figure is a research-grade observation under CC0, CC BY or CC BY-SA, rehosted with the photographer’s name, the licence and the observation it came from. Photographs under a NonCommercial licence are excluded from this site and are never stored, which costs us a great many pictures and is not negotiable.

Native range 2 botanical countries

Native distribution of Viola cornuta, after Kew’s World Checklist of Vascular Plants. Introduced, extinct and doubtful records are excluded, so this is where the plant is from, not everywhere it now grows.

Region	TDWG code	Continent
France	FRA	EUROPE
Spain	SPA

Region boundaries approximated from Natural Earth (public domain) and mapped to TDWG World Geographical Scheme for Recording Plant Distributions (WGSRPD) level-3 botanical countries (Brummitt 2001). Indicative, not the official WGSRPD geometry.

Flowering 259 in flower of 259 examined

100%

Proportion of examined Viola cornuta in flower, by month
Month	In flower	Examined	Share	95% interval
Jan	0	0	too few examined
Feb	0	0	too few examined
Mar	0	0	too few examined
Apr	1	1	too few examined
May	28	28	100%	88% to 100%
Jun	83	83	100%	96% to 100%
Jul	94	94	100%	96% to 100%
Aug	38	38	100%	91% to 100%
Sep	11	11	100%	74% to 100%
Oct	3	3	too few examined
Nov	1	1	too few examined
Dec	0	0	too few examined

Peak flowering in May. Each bar is the share of Viola cornuta observations in which someone actually recorded the reproductive state and found the plant in flower, not the raw number of flowering records. That distinction matters: people observe plants far more in spring than in winter, so a bare count of flowering records partly measures when people go outside. Dividing by the number examined removes that. 259 of 259 examined observations were in flower, every one of them research grade. The whisker on each bar is a 95% Wilson interval. 7 months have fewer than 5 examined observations, so no proportion is drawn for them. This is still a global aggregate and not a forecast for your garden: the same species flowers on different dates in different hemispheres. Where a species has fewer than 30 flowering records we do not draw this chart at all. Computed from 10.15468/dl.cgje2x.

Also published as 1 synonym

A synonym is not an error. It is a record of botanists disagreeing, in print, about where this plant belongs. Each of these was somebody’s considered answer.

Mnemion cornutum (L.) Spach

Sourcesevery claim on this page

World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
iNaturalist. photographs and flowering annotations, CC0 / CC BY / CC BY-SA only. per photograph. Retrieved 2026-06-27.
Kew, World Checklist of Vascular Plants (WCVP v16). native distribution by TDWG level-3 botanical country, and life form. CC BY 3.0. Retrieved 2026-06-04.

We publish what we can source and we say so when we cannot. This page has no care advice and no toxicity claim, because we do not yet have those from a source we can cite.