Solanum chenopodioides
Solanum campechiense
velvety nightshade, whitetip nightshade
redberry nightshade
petiolate;
petiole 1–3 cm;
blade simple, narrowly ovate to elliptic, 1.5–5(–7) × 0.5–3.5 cm, margins entire or sinuate, base cuneate to decurrent.
petiolate;
petiole 1–5 cm;
blade simple, ovate, 4–13 × 3–12 cm, margins deeply lobed with 2–4 lobes per side, these with additional coarse, acute teeth or shallow lobes, base cordate.
extra-axillary or leaf-opposed, unbranched or rarely forked, umbel-like, 3–7(–10)-flowered, 1–3(–4) cm, fruiting peduncles sharply reflexed from base.
extra-axillary, unbranched, 1–3(–6)-flowered, 0.5–2(–5) cm.
0.5–1 cm in flower and fruit, reflexed downward in fruit.
0.5–1 cm in flower, 1–2 cm in fruit.
radially symmetric;
calyx not accrescent, unarmed, 2–3.5 mm, sparsely pubescent, lobes deltate, appressed in fruit;
corolla white or purplish, with greenish, yellowish, or brown central star, stellate, 0.8–1.5 cm diam., with sparse interpetalar tissue;
stamens equal;
anthers ellipsoidal, 2–3 mm, dehiscent by terminal pores that open into longitudinal slits;
ovary glabrous.
radially symmetric;
calyx somewhat accrescent and partially covering fruit, densely prickly, 4–6 mm, densely stellate-pubescent, lobes narrowly triangular;
corolla white, bluish white, blue, or lilac, rotate-campanulate, 1–1.5 cm diam., with abundant interpetalar tissue;
stamens equal;
anthers narrow and tapered, 2–5 mm, dehiscent by terminal pores;
ovary glabrous.
dull purplish black, globose, 0.5–1 cm diam., glabrous, without sclerotic granules.
purplish, greenish, or yellowish, globose, 1.5–2 cm diam., glabrous, without sclerotic granules.
pale yellow, flattened, 1–1.5 × 1–1.5 mm, minutely pitted.
yellowish brown, flattened, 1.8–3 × 1.4–2 mm, pustulate.
= 24.
Solanum chenopodioides
Solanum campechiense
Solanum chenopodioides has been introduced sporadically and is occasionally adventive in North America. It is distinctive in having the fruiting peduncles strongly reflexed downward, but is otherwise difficult to distinguish from S. pseudogracile, with which it may be conspecific.
The illegitimate superfluous name Solanum gracile Dunal has often been used for S. chenopodioides (for example, J. K. Small 1913; A. E. Radford et al. 1968). W. G. D’Arcy (1974) included S. gracile (and its replacement name S. ottonis) in the synonymy of S. nigrescens but the taxa are distinct.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
In the flora region, Solanum campechiense is found in southernmost Texas. Although D. S. Correll and M. C. Johnston (1970) stated that the fruits are cherry-red at maturity, the specimens seen indicate that they turn purplish when ripe.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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