Contains 2 accepted taxa overall.
Characteristics
Classification
Citation
SONCHUS Linnaeus, Sp. Pl. 793. 1753.
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TYPE: Sonchus oleraceus Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 3: 316. 1913.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Sonchus asper | Spinyleaf Sow-thistle, Prickly Sow-thistle | |||
| Sonchus oleraceus | Common Sow-thistle |
Identification Key
1. Leaf margin densely, copiously prickly throughout, the basal auricles often recurved or curled, rounded; peduncle and phyllaries usually glabrous, infrequently stipitate-glandular; corolla ligule mostly shorter than the tube; cypselae longitudinally ribbed, otherwise smooth
1. Leaf margin weakly prickly, the basal auricles usually mostly straight; peduncle and phyllaries usually stipitate-glandular; corolla ligule subequal to the tube; cypselae longitiduinally ribbed, faces transversely rugulose or tuberculate
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| No synonyms found. | |||