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{{Taxobox
| color = lightgreen
| name = ''Solanum umbelliferum''
| regnum = [[Plant]]ae
| divisio = [[Magnoliophyta]]
| classis = [[Magnoliopsida]]
| subclassis = [[Asteridae]]
| ordo = [[Solanales]]
| familia = [[Solanaceae]]
| genus = ''[[Solanum]]''
| species = '''''S. umbelliferum'''''
| binomial = ''Solanum umbelliferum''
| binomial_authority = [[Johann Friedrich von Eschscholtz|Eschsch.]]
}}

The small perennial shrub '''''Solanum umbelliferum''''' is known commonly as the '''blue witch nightshade''', sometimes spelled '''bluewitch'''. It is one of many species of nightshade in genus ''Solanum'', which also includes domesticated plants such as [[tomato]], [[potato]], and [[eggplant]]. Blue witch has dark gray-green oval-shaped leaves on hairy green stems that grow to a maximum height of one meter. It has bright purple or blue frilly flowers with thick yellow [[carpel]]s at the center. The flowers close into spherical buds overnight. It bears small round green fruits which turn purple when ripe and resemble tiny eggplants.

Blue witch can be found in [[chaparral]] habitat and low-elevation [[oak]] woodlands in [[California]] and parts of [[Arizona]]. It is a tough shrub which can grow in rocky and clay soils and springs up in areas recovering from [[wildfire]]s or other disturbances. Like most other members of genus ''Solanum'', ''S. umbelliferum'' contains toxic [[alkaloid]]s.

[[Category:Solanum]]
[[Category:Flora of California]]

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