Summary ⁵

Senecio /sɪˈniːʃi.oʊ/ is a genus of the daisy family (Asteraceae) that includes ragworts and groundsels. The scientific Latin genus name, Senecio, means "old man."

Description ⁶

Herbs, subshrubs or shrubs, sometimes succulent or climbing. Leaves alternate, sometimes radical, entire or lobed. Capitula either (1) heterogamous with marginal fertile (rarely sterile) female florets and bisexual disk florets or (2) homogamous. Calyculus of usually much shorter basal bracts present. Flowers usually yellow, less often purple or white. Phyllaries in 1 subequal series. Receptacle flat or ± convex, without scales, pitted or shortly fimbriate. Pappus of bristles.

Mikaniopsis cissampelina greatly resembles a climbing Senecio.

Sources and Credits

1. (c) Julie Anne Workman, some rights reserved (CC BY-SA), https://upload.wikimedia.org/wikipedia/commons/0/05/Jacobaea_vulgaris-3235.jpg
2. (c) Smithsonian Institution, National Museum of Natural History, Department of Botany, some rights reserved (CC BY-NC-SA), https://collections.nmnh.si.edu/services/media.php?env=botany&irn=10350735
3. (c) Enrico Blasutto, some rights reserved (CC BY-SA), https://upload.wikimedia.org/wikipedia/commons/d/d8/Senecio_vulgaris_ENBLA01.JPG
4. AnRo0002, no known copyright restrictions (public domain), https://upload.wikimedia.org/wikipedia/commons/6/67/20121017Greiskraut_Neulussheim1.jpg
5. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Senecio
6. (c) Mark Hyde, Bart Wursten and Petra Ballings, some rights reserved (CC BY-NC), http://eol.org/data_objects/30273125

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• eFloras.org
• Global Biodiversity Information Facility (GBIF)
• SEINet Symbiota portals
• Tropicos
• VASCAN by Canadensys

Range Map

(c) Discover Life and original sources, some rights reserved (CC-BY-NC-SA)

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