| Sonchus oleraceus L. | |||
| |||
| Family | Compositae — APG family: Asteraceae | ||
| Common name | common sow thistle | ||
| Description | Stem stout, hollow, erect, glabrous, from pale taproot; leaves pinnatifid, with large terminal lobe and acute spreading auricles, glabrous, never spinous; flowers yellow, the outer purple-tinged beneath; outer involucral bracts broadly lanceolate, shorter and more acute than the inner; achenes transversally rugose; pappus white, in 2 rows. | ||
| Ecology | Waste places; an introduced weed. Occurs also in the Galapagos Islands. Type locality not given. |
This is a digital representation of Eric Hultén’s ‘Flora of Alaska and Neighboring Territories: A Manual of the Vascular Plants’, which was published by Stanford University Press in 1968. The book was digitized by C. Webb (at UAMN) as part of the Flora of Alaska project, with funding by the US NSF (Grant 1759964 to Ickert-Bond & Webb), and with permission of Stanford University Press. Data and images © 1968 Board of Trustees of the Leland Stanford Jr. Univ. Usage licence: Creative Commons BY-NC-SA 4.0. NB: You may find OCR errors; please refer to the hard-copy if in doubt.