Arabidopsis lyrata subsp. lyrata

Treatment appears in FNA Volume 7. Treatment on page 449.

Biennials or perennials; caudex unbranched or with a root crown, often slender. Basal leaves: (petiole often hirsute); blade margins lyrate or lyrate-pinnatifid, terminal lobes distinct, (surfaces pubescent). Petals 6–8 mm. Fruits 0.8–1 mm wide; style 0.5–1 mm. 2n = 16, 32.


Phenology: Flowering Apr–Jul.
Habitat: Cliffs, ledges, thickets, stream and river banks, woods, limestone crevices and bluffs, sandstone hills and outcrops, serpentine rocks and barrens, shale, talus, sand dunes
Elevation: 0-1000 m

Distribution

V7 682-distribution-map.gif

Alta., B.C., Man., N.W.T., Ont., Sask., Alaska, Conn., Del., D.C., Ill., Ind., Iowa, Md., Mass., Mich., Minn., Miss., Mo., N.J., N.Y., N.C., Ohio, Pa., Tenn., Vt., Va., W.Va., Wis.

Discussion

Selected References

None.

Lower Taxa

None.

"elongated" is not a number."thick" is not a number."dm" is not declared as a valid unit of measurement for this property.

ovate +  and oblong +
Ihsan A. Al-Shehbaz +
(Linnaeus) O’Kane & Al-Shehbaz +
Arabis lyrata +
appendaged +  and unappendaged +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (4.2 cm42 mm <br />0.042 m <br />) +
lyrate-pinnatifid +  and lyrate +
oblanceolate;ovate;oblanceolate +
much smaller +  and reduced +
1mm;8mm +
urceolate +, campanulate +  and tubular +
with a root crown +  and unbranched +
slender +
sessile +  and petiolate +
well-developed +
distinct +
differentiated +
emarginate +  and entire +
Alta. +, B.C. +, Man. +, N.W.T. +, Ont. +, Sask. +, Alaska +, Conn. +, Del. +, D.C. +, Ill. +, Ind. +, Iowa +, Md. +, Mass. +, Mich. +, Minn. +, Miss. +, Mo. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, Tenn. +, Vt. +, Va. +, W.Va. +  and Wis. +
0-1000 m +
straight +  and curved +
not winged +  and unappendaged +
connate +  and distinct +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
actinomorphic +
2-valved +  and capsular +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
2cm;4.5cm +
flattened +  and torulose +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
latiseptate +  and unsegmented +
indehiscent +  and dehiscent +
angustiseptate +  and terete +
latiseptate +, subsessile +  and stipitate +
terete +  and torulose +
Cliffs, ledges, thickets, stream and river banks, woods, limestone crevices and bluffs, sandstone hills and outcrops, serpentine rocks and barrens, shale, talus, sand dunes +
subsessile +, sessile +  and petiolate +
alternate +, not +  and rosulate +
cauline +  and basal +
connate +  and distinct +
decurrent +
lyrate-pinnatifid +, dentate +  and entire +
lobed;toothed;repand;toothed;repand;entire +
obscure +  and prominent +
forked +
tenuinucellate +, crassinucellate +  and bitegmic +
campylotropous +  and anatropous +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
rudimentary +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Flowering Apr–Jul. +
trinucleate +  and 3(-11)-colpate +
not elongated +
reflexed +  and ascending +
slender +
not +  and mucilaginous +
margined +  and not winged +
uniseriate +  and biseriate +
not +  and mucilaginous +
0.8mm +  and 1.4mm +
persistent +  and caducous +
distinct +
ascending +  and erect +
0.2 cm2 mm <br />0.002 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
reduced +
latiseptate +, schizocarpic +, samaroid +  and lomentaceous +
indehiscent +  and dehiscent +
angustiseptate +, flat +, angled +, terete +, torulose +, not +, segmented +  and nutletlike +
tetradynamous +
branched +, few to several +  and simple +
procumbent +  and decumbent +
decumbent +  and erect +
2-lobed +, entire +, conical +  and capitate +
subsessile +, sessile +  and petiolate +
persistent +
distinct +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
glabrous or +  and sparsely densely pubescent +
Cardaminopsis lyrata +
Arabidopsis lyrata subsp. lyrata +
Arabidopsis lyrata +
subspecies +
pubescent +  and glabrous +
pubescent +  and glabrous +
anastomosing +
perennial +  and biennial +
pubescent +  and glabrous +
rhizomatous +, taprooted +, scapose +  and not +
perennial +, biennial +  and annual +
subshrub +  and herb +
aquatics +  and terrestrial +
glabrous +  and pubescent +