Chimaphila umbellata subsp. occidentalis (Rydb.) Hult.
FamilyPyrolaceae — APG family: Ericaceae
SynonymsChimaphila umbellata var. occidentalis (Rydb.) Blake., Chimaphila occidentalis Rydb.
Common namepipsissewa
DescriptionDwarf shrub with thick, dark-green, stiff, winter-green, oblanceolate, serrate leaves in whorls; flowers flesh-colored, umbellate; calyx lobes longer than broad.
EcologyWoods. C. umbellata described from Europe, Asia, and North America, subsp. occidentalis from Latah County, Idaho.
In Eurasia, subsp. umbellata occurs; in eastern North America, the very closely related subsp. cisatlantica (Blake) Hult. (C. umbellata var. cisatlantica Blake); in New Mexico and Arizona, subsp. aciita (Rydb.) Hult. (C. acuta Rydb.); in the rest of western North America, subsp. occidentalis; and in Mexico, subsp. mexicana (DC.) Hult. (C. umbellata var. mexicana DC.). Circumpolar map indicates range of the entire species complex.
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.