Prenanthes alata (Hook.) Dietr.
FamilyCompositae — APG family: Asteraceae
SynonymsPrenanthes lessingii Hult., Mulgedium hastatum Less., Sonchus hastatus Less., Nabalus alatus Hook., Prenanthes hastata (Less.) M. E. Jones
Common namerattlesnake root
DescriptionStem single, tall, villous-pubescent above, from taproot; leaves sagittate or has- tate, irregularly toothed, the upper reduced; inflorescence corymbiform, more or less open; involucral bracts about 8, lanceolate, thinly grayish-pubescent; ligules white to purplish, laciniate, dentate at apex; styles long-exserted, dark; pappus sordid.
EcologyMoist places, along streams. Described from the northwest coast of North Amer- ica.
Hultén's Flora About

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.