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64 +, 60 +, 58 +, 54 +, 52 +, 40 +, 38 +, 36 +, 34 +, 32 +, 30 +, 28 +, 24 +, 20 +, 16 +  and 14 +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
Ihsan A. Al-Shehbaz +, Michael D. Windham +  and Reidar Elven +
Linnaeus +
appendaged +  and unappendaged +
1.8 cm18 mm <br />0.018 m <br /> (3 cm30 mm <br />0.03 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
not +  and auriculate +
0.2 cm2 mm <br />0.002 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
lobed +, toothed +  and entire +
oblong;lanceolate;oblanceolate;spatulate;obovate +
much smaller +  and reduced +
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
urceolate +, campanulate +  and tubular +
branched +  and simple +
sessile +  and petiolate +
well-developed +
distinct +
well-differentiated +
Whitlow grass +  and whitlow wort +
emarginate +  and entire +
Alta. +, B.C. +, N.B. +, Ont. +, Que. +, Ala. +, Ark. +, Calif. +, Conn. +, Del. +, D.C. +, Ga. +, Idaho +, Ill. +, Ind. +, Iowa +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, Miss. +, Mo. +, Mont. +, Nev. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Oreg. +, Pa. +, R.I. +, S.C. +, Tenn. +, Utah +, Vt. +, Va. +, Wash. +, W.Va. +, Wyo. +, Europe +, Asia +, nw Africa +, also in Central America +, South America +  and Australia +
0-2500 m +
straight +  and curved +
not winged +  and unappendaged +
connate +  and distinct +
not basally +  and dilated +
actinomorphic +
orange;purple;orange;purple;pink;white;yellow +
spreading +, ascending +  and erect +
pubescent +  and glabrescent +
0.1 cm1 mm <br />0.001 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
latiseptate +, twisted +  and sessile +
0.9 cm9 mm <br />0.009 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
indehiscent +  and dehiscent +
0.4 cm4 mm <br />0.004 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
flattened +, plane +, linear +, oblong +, elliptic +, lanceolate +, oblanceolate +  and obovate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Cedar glades, lawns, fields, pastures, waste places, grassy hillsides, disturbed sites, roadsides +
sessile +  and petiolate +
alternate +, not +  and rosulate +
cauline +  and basal +
connate +  and distinct +
decurrent +
dentate +  and entire +
1-5-toothed;entire +
tenuinucellate +, crassinucellate +  and bitegmic +
campylotropous +  and anatropous +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
2mm;4.5mm +
rudimentary +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Flowering Feb–May. +
trinucleate +  and 3(-11)-colpate +
ebracteate;4-20(-30)-flowered +
ascending +  and erect +
slender +
2 cm20 mm <br />0.02 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
curved +, straight +  and flexuous +
mucilaginous +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
not +  and mucilaginous +
white +, black +, brown +  and yellow +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
persistent +  and caducous +
distinct +
spreading +, ascending +  and erect +
reduced +
latiseptate +, twisted +  and sessile +
indehiscent +  and dehiscent +
terete +, plane +, subglobose +, ovoid +, suborbicular +, linear +, oblong +, elliptic +, lanceolate +  and ovate +
latiseptate +, twisted +  and sessile +
indehiscent +  and dehiscent +
terete +, plane +, subglobose +, ovoid +, suborbicular +, linear +, oblong +, elliptic +, lanceolate +  and ovate +
Weedy +  and Introduced +
tetradynamous +
procumbent +  and decumbent +
prostrate +  and decumbent +
usually erect +  and ascending +
glabrous +  and pubescent +
subsessile +, sessile +  and petiolate +
persistent +
distinct +
0.002 cm0.02 mm <br />2.0e-5 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
Draba boerhaavii +, Draba praecox +, Draba verna var. aestivalis +, Draba verna var. boerhaavii +, Erophila boerhaavii +, Erophila krockeri +, Erophila praecox +, Erophila verna +  and Erophila verna subsp. praecox +
Draba verna +
species +
stalked +  and simple +
cruciform +  and forked +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
coiled +, 1-7-veined +  and veined +
anastomosing +
pubescent +  and glabrous +
rhizomatous +, taprooted +, scapose +  and not +
perennial +, biennial +  and annual +
subshrub +  and herb +
aquatics +  and terrestrial +
glabrous +  and pubescent +