Dryas octopetala L.
 
FamilyRosaceae — APG family: Rosaceae
DescriptionPlant decumbent or matted, with woody caudex; leaves oblong to ovate, crenate- dentate along entire margin, glabrous above or nearly so, white tomentose beneath; midvein beneath more or less densely provided with brown scales with long white hairs (octopetala scales); flowers solitary, flowering stem white-tomentose and glandular, sometimes with single bract; calyx with long, dark glands, petals longer than sepals, white or rarely yellow (var. lutéola Hult.); nutlets with elongated, feathery styles.
EcologyAlpine heaths to at least 2,000 meters. Described from mountains of Lapland, Switzerland, Austria, central Italy, Ireland, and Siberia.
Taxonomy
notes
Leaves sometimes tomentose above, as well [f. argéntea (Blytt) Hult.; D. octo- petala var. argentea Blytt], or with more or less viscid glands above (var. viscida Hult.; D. punctata Juz.). Forms hybrid swarms with subsp. alaskensis and with D. integrifolia. (See color section.)
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.