Solanum donianum (mullein nightshade)

Plate 1 figs. a–h · 8 separate observations

Solanum donianum, photographed by Josiah Londerée — fig. a Josiah Londerée, CC BY 4.0 / 2022-03-05 / obs. 182015590

Solanum donianum, photographed by Robert Webster — fig. c Robert Webster, CC BY-SA 4.0 / obs. 122655266

Solanum donianum, photographed by Alexis López Hernández — fig. d Alexis López Hernández, CC BY 4.0 / obs. 128352178

Solanum donianum, photographed by Tom Field — fig. e Tom Field, CC BY 4.0 / obs. 112061244

Solanum donianum, photographed by Eric Knight — fig. h Eric Knight, CC BY 4.0 / obs. 63288091

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 10 botanical countries

Native distribution of Solanum donianum, 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. Regions too small to draw at this scale are marked with a dot.

Region	TDWG code	Continent
Florida	FLA	NORTHERN AMERICA
Mexico Central	MXC
Mexico Gulf	MXG
Mexico Northeast	MXE
Mexico Northwest	MXN
Mexico Southeast	MXT
Mexico Southwest	MXS
Bahamas	BAH	SOUTHERN AMERICA
Belize	BLZ
Guatemala	GUA

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 51 in flower of 83 examined

60%

55%

67%

60%

86%

33%

80%

55%

Proportion of examined Solanum donianum in flower, by month
Month	In flower	Examined	Share	95% interval
Jan	9	15	60%	36% to 80%
Feb	6	11	55%	28% to 79%
Mar	6	9	67%	35% to 88%
Apr	6	10	60%	31% to 83%
May	2	3	too few examined
Jun	6	7	86%	49% to 97%
Jul	1	3	too few examined
Aug	2	6	33%	10% to 70%
Sep	3	3	too few examined
Oct	0	0	too few examined
Nov	4	5	80%	38% to 96%
Dec	6	11	55%	28% to 79%

Peak flowering in Jun. Each bar is the share of Solanum donianum 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. 51 of 83 examined observations were in flower, every one of them research grade. The whisker on each bar is a 95% Wilson interval. 4 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 14 synonyms

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.

Solanum bahamense Mill.
Solanum bahamense var. inerme Dunal
Solanum blodgettii Chapm.
Solanum decurtatum Standl. & Steyerm.
Solanum stenandrum Dunal
Solanum stenandrum var. stenandrum
Solanum stenorchidium St.-Lag.
Solanum stenorchis Dunal
Solanum verbascifolium L.
Solanum verbascifolium Banks ex Dunal
Solanum verbascifolium f. verbascifolium
Solanum verbascifolium subf. verbascifolium
Solanum verbascifolium subsp. verbascifolium
Solanum verbascifolium var. verbascifolium

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.
Wikidata. common name (P1843), joined on the World Flora Online identifier (P7715). CC0. Retrieved 2026-07-13.
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.