Contemporary Circumscription Compared with A Utah Flora 4th ed.
Bio430
Solanaceae
No differences.
Key Features
In our temperate flora, Solanaceae is largely herbaceous and sometimes a vines with alternate leaves lacking stipules. The rotate corolla of Solanum is distinctive, but funnel form corollas are also common. The 5,5;5;2 floral formula is shared by many families, but the details differ. Convolvulaceae has free sepals, not fused, and Boraginaceae has scorpoid inflorescences.
Datura - Jimson weed
Datura
Jimson weed fruit
Section through Jimson weed ovary
Solanum dulcamara
Solanum dulcamara - carries the name 'Christmas cherry' but fruits are poisonous
solanum ducamara
Cutivated Petunia hybrid
Solanum triflorum
Solanum triflorum
Solanum triflorum
Solanum pyricantha
Native Nicotiana
Native Nicotiana - solanums have a characteristic flower shape; it is important to remember that other flower shapes exist in this family also.
Physalis - leaves
Physalis - fruit with half-removed accrescent calyx (calyx continues to grow after flowering)
Cherry tomato sectioned to show two carpels and axile placentation
Solanum - Argentina
Solanum - Chile
Physalis
Physalis
Physalis
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