black nightshade

Solanum nigrum

Member of black nightshade complex (complex Solanum nigrum)
nightshades (genus Solanum)
nightshade family (family Solanaceae)
dicots (class Magnoliopsida)
white in flowering plants

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• infloresecnce rarely forked
• peduncle 0.5–1.5 cm long, straight; pedicels 3–5 mm long, 0.2–0.3 mm in diameter at the base and 0.2–0.3 mm at the apex
• corolla: 10–17 mm diameter including lobes, white w/ yellow/green spots at base
• anthers 1.4–2.4 mm
• if we believe CalPhotos, style may or may not be strongly exerted beyond anthers
• leaf: 4–7 cm, entire to coarsely wavy-toothed
• hairs: ± spreading or curved, glandular and not
• calyx lobes partially fused, not reflexed in fruit
• fruit: dull
• [photographs show the sepals in fruit being strongly, weakly, or not reflexed, but Jasper Ridge says they’re never reflexed]

Toxicity of nightshade, black; nightshade, common; poison berry (Solanum nigrum):
4 – Ingestion of these plants, especially in large amounts, is expected to cause serious effects to the heart, liver, kidneys or brain. If ingested in any amount, call the poison center immediately.

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Chris’s observations: 3 (all are research grade)

Locations:

• Coal Creek OSP
• La Honda Creek OSP
• Portola Redwoods SP

Months:

• Jul.: 1
• Aug.: 0
• Sep.: 2

For more details, use advanced search.

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Not all sites include this taxon:

• Solanum nigrum → iNaturalist – Calflora – CalPhotos – Jepson eFlora
• not yet listed → FNA

Bay Area species: iNaturalist – Calflora