Solanum pseudocapsicum
Solanum douglasii
Jerusalem cherry, Jerusalem- or winter-cherry, Jerusalem-cherry nightshade
Douglas' nightshade, greenspot nightshade
petiolate;
petiole 0.2–1 cm;
blade simple, elliptic, 1–9 × 0.5–4.5 cm, margins entire, base acute to attenuate.
petiolate;
petiole 0.5–3(–7) cm;
blade simple, ovate, 1–5(–9) × 0.5–3(–6) cm, margins entire to coarsely and irregularly toothed, base truncate to acute and decurrent.
leaf-opposed, unbranched, 1–8-flowered, 0.2–1 cm.
extra-axillary or leaf-opposed, unbranched, racemelike, 2–7(–14)-flowered, 2–4 cm.
0.3–0.7 cm in flower, 0.8–1 cm and erect in fruit.
0.5–1 cm in flower and fruit, nodding or deflexed downward in fruit.
radially symmetric;
calyx somewhat accrescent, unarmed, 2.5–6 mm, glabrous to densely pubescent with dendritic hairs, lobes long-triangular;
corolla white, stellate, 1–1.5(–2.5) cm diam., without interpetalar tissue;
stamens equal;
anthers oblong, 3–4 mm, dehiscent by terminal pores that open into longitudinal slits;
ovary glabrous.
radially symmetric;
calyx not accrescent, unarmed, 2–3 mm, sparsely pubescent, lobes deltate;
corolla white with yellow-green to brownish central star, stellate, 1–2 cm diam., without interpetalar tissue;
stamens equal;
anthers ellipsoidal and slightly tapered towards the tips, (2.5–)3–4.5 mm, dehiscent by terminal pores that open into longitudinal slits;
ovary glabrous.
yellow to orange or red, globose, 1–2 cm diam., glabrous, without sclerotic granules.
dull purplish black, globose, 0.5–1 cm diam., glabrous, with (2–)6–8 sclerotic granules per fruit.
yellowish, flattened with thickened margins, 3–4 × 2.5–3 mm, minutely pitted.
pale yellow to tan, flattened, 1.5–2 × 1–1.5 mm, finely reticulate.
= 24.
= 24.
Solanum pseudocapsicum
Solanum douglasii
Solanum pseudocapsicum is native from Mexico to Argentina, southern Brazil, and Uruguay. It is grown as an ornamental for its showy fruits, especially around Christmas. It occasionally escapes from cultivation in southern Florida and Texas. In Texas, it has become established and fairly common in Austin, in the Lower Rio Grande Valley, and in Goliad and Caldwell counties. Cultivated forms are usually glabrous, but some can have branched pubescence. The fruits are mildly poisonous when ingested by humans but can be highly toxic to dogs and some birds.
Solanum pseudocapsicum, along with S. diphyllum, has a distinctive leaf arrangement in which a longer, narrower leaf is paired with a shorter, often more rounded one.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Solanum douglasii is most commonly found west of the Rocky Mountains. It can be difficult to distinguish from S. nigrescens, but its longer, slightly tapered anthers on very short (relative to anther length) filaments is a good distinguishing character for plants in flower. The buds of S. douglasii are more pointed than those of S. nigrescens.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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