Rare Vascular Plants of Alberta
University of Alberta, 2001 - 484 páginas
This exhaustively researched project brings together for the first time a complete listing of Alberta's rare vascular plants with detailed plant descriptions, habitat information and notes of special interest. Accompanied by numerous colour photographs, B&W illustrations and frequency maps, this text is essential for naturalists, botanists, students, and others interested in the flora of Alberta.
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Alberta alpine Alternate areas August axils basal base blades bracts branched bristles broad broadly brown called calyx capsules Carex cm long cm tall common covered densely divided edges egg-shaped elongating elsewhere erect FAMILY female fern flat florets Flower clusters forests forming Fruits glumes grass Gray green grows Habitat hairless hairs hairy Hook July June lance-shaped leaf leaflets leaves lemmas less linear lobes longer male mature meadows middle mm long mm wide moist mountain narrow Notes numerous Nutt oblong perennial herbs perigynia petals Plants pointed produce purple purplish rare reddish reference rocky roots rounded scales sedge seed-like fruits achenes seeds sepals shaped sheaths short shorter side similar single slender slightly slopes smaller sometimes species specific epithet spikelets spikes splitting spore spreading stalkless stalks stamens stiff stigmas styles surface teeth tiny toothed tufted underground stems rhizomes upper usually widest woods yellow