Utricularia vulgaris subsp. macrorhiza (Le Conte) Clausen
FamilyLentibulariaceae — APG family: Lentibulariaceae
SynonymsUtricularia vulgaris var. americana Gray., Utricularia macrorhiza Le Conte
DescriptionFree-floating; stem about 1 mm thick; leaves much dissected, with nearly terete segments, all with numerous bladders forming small traps for insects; scapes coarse, with 5-6 (or more) flowers; corolla dark yellow, lower lip slightly lobed, with well- developed palate; spur 7-12 mm long, falcate, slender, somewhat acute, directed forward.
EcologyPonds, quiet waters. U. vulgaris described from Europe, subsp. macrorhiza from ‘Canada to Carolina.”
Broken line on circumpolar map indicates range of subsp. vulgaris.
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.