. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . 13. Draba alpina L. Alpine Whitlow-grass. Fig. 2009. Draba alpina L. Sp. PI. 642. 1753. Perennial by a branched caudex, densely tufted, scapes pubescent, i'-6' high. Leaves all basal, entire or few-toothed, oblong, or oblong-lanceolate, obtuse or acute at the apex, mostly narrowed at the base, ciliate, or villous-pubescent, sometimes with some stellate hairs, 2"-6"
. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . 13. Draba alpina L. Alpine Whitlow-grass. Fig. 2009. Draba alpina L. Sp. PI. 642. 1753. Perennial by a branched caudex, densely tufted, scapes pubescent, i'-6' high. Leaves all basal, entire or few-toothed, oblong, or oblong-lanceolate, obtuse or acute at the apex, mostly narrowed at the base, ciliate, or villous-pubescent, sometimes with some stellate hairs, 2"-6" long, sessile or short-petioled; flowers yellow, about 3" broad; calyx pubescent or villous; style J" long or less; pod oval or ovate, narrow-ed at both ends, glabrous, or somewhat pubescent, 2Y'-^" long, i"-il" wide; pedicels ascending, i"-5" long Greenland to Hudson Bay, the mountains of British Columbia and Alaska. Also in northern Europe and Asia. Summer. Draba crassifolia Graham, a low annual or biennial species, with tufted basal ciliate leaves, small yellowish scapose flowers, of arctic and alpine distribution, ranges south to Labrador.
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Photo credit: © The Bookworm Collection / Alamy / Afripics
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
