Dryas octopetala


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  • noun

Synonyms for Dryas octopetala

creeping evergreen shrub with large white flowers

References in periodicals archive ?
Juncus trifidus, Bistorta vivipara, Poa alpina, Dryas octopetala, Bartsia alpina and Omalotheca supina manifest the highest association ability.
The pollen production of local taxa is very low, among which Betula nana, Salix, Selaginella selaginoides, Dryas octopetala and steppe xerophytes Eurotia ceratoides, Ephedra and halophilous taxa Kochia prostrata, Salsola kali and Salicornia herbaceae have been identified (Pirrus 1971).
Dryas octopetala leaves from sandy silt at a core depth of 650-645 cm and macro-remains at a depth of 630-625 cm, respectively, showed the ages of 14 370 [+ or -] 205 and 14 245 [+ or -] 155 cal yr BP (Table 2).
Responses of Dryas octopetala to ITEX environmental manipulations: a synthesis with circumpolar comparisons.
Environmental constraints on the growth, photosynthesis and reproductive development of Dryas octopetala sp.
The polar semi-desert outer fjord site is situated within the Dryas octopetala zone of Svalbard (Brattbakk 1986), 3 km to the west of Ny Alesund (78 [degrees] 56 [minutes] N, 11 [degrees] 50 [minutes] E) at an elevation of 22 m a.
These results from the subarctic ecosystem, probably mediated by competition, contrast markedly with those from the polar semi-desert site, where the response of vegetation cover to increased nutrient availability was mediated through the colonization of bare ground by both new seedlings and bryophytes, and through the interaction of nutrient supply and winter hardening on the survival of Dryas octopetala.
The main species found, Betula nana and Dryas octopetala, are typical pioneer plant species of the late glacial period, which provide information about the local terrestrial biota, suggesting rather severe climate conditions up to 13 500 cal yr BP (660-556 cm).
Cluster B comprises three subclusters including communities of Seslerion apenninae: b1 includes three releves of grasslands with Dryas octopetala (two of them, with high cover values of Dryas, have been phytosociologically classified as SeslerioDryadetum octopetalae); b2 is characterized by xerophilous and basophilous Sesleria juncifolia grasslands (Seslerietum apenninae and Leontopodio-Seslerietum juncifoliae releves fall in this sub cluster); and b3 includes dwarf cushion communities with Silene acaulis (Saxifrago-Silenetum cenisiae).
Carex consimilis, and Dryas octopetala (McIntire and Hik, 2002).
Marmot remains were always found near nests composed entirely of Dryas octopetala and Cassiope tetragona.
The exposed and windswept plateau of Pingo Pass supports a poor and rather open vegetation, variously dominated by Cassiope tetragona, Salix arctica, Dryas octopetala or Carex rupestris and C.