Flora of North America species comparison

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Solanum donianum

mullein nightshade
Habit Shrubs, erect, sparsely armed when young, older growth unarmed, 0.5–2.5 m, prickles brownish, 1–3 mm, straight, moderately to densely pubescent, hairs sessile to short-stalked, stellate, 6–9-rayed, central ray absent or shorter than lateral rays.
Leaves

petiolate;

petiole 1–3 cm;

blade simple, ovate to elliptic, 4.5–13 × 2–5.5 cm, margins entire, base rounded to acute.
Inflorescences

terminal to extra-axillary, much-branched, with numerous flowers, 2–8 cm.
Pedicels

erect and 0.7–1 cm in flower and fruit.
Flowers

radially symmetric;

calyx not accrescent, unarmed, 2–4 mm, moderately stellate-pubescent, lobes triangular;

corolla white, stellate, 1.5–2 cm diam., without interpetalar tissue;

stamens equal;

anthers narrow and tapered, 3–4.5 mm, dehiscent by terminal pores;

ovary glabrous or sparsely glandular-pubescent.
Berries

red, globose, 0.5–1 cm diam., glabrous or sparsely glandular-pubescent, without sclerotic granules.
Seeds

yellow, flattened, 2.5–3.5 × 1.5–2.5 mm, minutely pitted.
2n

= 24.

Solanum donianum
Phenology Flowering year-round.
Habitat Seasides, hammocks, pine forests, limestone soils.
Elevation 0 m. (0 ft.)
Distribution
from FNA
FL; s Mexico; West Indies (Bahamas); Central America (Belize, Guatemala)
[WildflowerSearch map]
[BONAP county map]
Discussion

Solanum donianum is occasional in southern Florida. The oldest name for this species is S. verbascifolium Linnaeus, but it has been widely misapplied to S. erianthum and is now rejected.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 14.
Parent taxa Solanaceae > Solanum
Sibling taxa
S. americanum, S. aviculare, S. bahamense, S. campechiense, S. capsicoides, S. carolinense, S. chenopodioides, S. citrullifolium, S. cordicitum, S. davisense, S. deflexum, S. dimidiatum, S. diphyllum, S. douglasii, S. dulcamara, S. elaeagnifolium, S. emulans, S. erianthum, S. furcatum, S. hindsianum, S. interius, S. jamaicense, S. jamesii, S. laciniatum, S. lanceolatum, S. lumholtzianum, S. lycopersicum, S. marginatum, S. mauritianum, S. nigrescens, S. nigrum, S. nitidibaccatum, S. novomexicanum, S. perplexum, S. pseudocapsicum, S. pseudogracile, S. pumilum, S. rostratum, S. sarrachoides, S. seaforthianum, S. setigeroides, S. sisymbriifolium, S. stoloniferum, S. tampicense, S. tenuipes, S. torvum, S. triflorum, S. triquetrum, S. umbelliferum, S. viarum, S. wallacei
Synonyms S. blodgettii
Name authority Walpers: Repert. Bot. Syst. 3: 54. (1844)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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