. 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. fers by a corymbose inflorescence. 23, Aster undulatus L. Wavy-leafAster. Fig. 4304. Aster undulatus L. Sp. PI. 875. 1753- Stem stiff, very rough and pubescent, divari-cately branched above, i°-3J° high. Leavesusually thick, rough on both sides, pubescentbeneath, dentate, undulate or entire, acute oracuminate, the lowest and basal ones ovate,cordate, 2-6 long, with naked or m
. 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. fers by a corymbose inflorescence. 23, Aster undulatus L. Wavy-leafAster. Fig. 4304. Aster undulatus L. Sp. PI. 875. 1753- Stem stiff, very rough and pubescent, divari-cately branched above, i°-3J° high. Leavesusually thick, rough on both sides, pubescentbeneath, dentate, undulate or entire, acute oracuminate, the lowest and basal ones ovate,cordate, 2-6 long, with naked or marginedpetioles; middle ones ovate, lanceolate or ob-long, with margined petioles dilated and clasp-ing at the base, the upper sessile or clasping,those of the branches small and subulate;heads numerous, racemose and often secundon the spreading branches, about 4 high,8-lo broad; involucre broadly turbinate, itsbracts linear-oblong, pubescent, acute or acut-ish, their green tips appressed; rays 8-15, paleblue to violet, 3-5 long; pappus whitish. In dry soil. New Brunswick and Ontario toMinnesota, Florida, Alabama, Louisiana andArkansas. Various-leaved aster. Races differ inleaf-form and inflorescence.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
