Arabidopsis lyrata subsp. kamchatica

(Fischer ex de Candolle) O’Kane & Al-Shehbaz

Novon 7: 326. 1997.

Basionym: Arabis lyrata var. kamchatica Fischer ex de Candolle Syst. Nat. 2: 231. 1821
Synonyms: Arabis ambigua var. glabra de Candolle Arabis ambigua var. intermedia de Candolle Arabis kamchatica (S. Watson) A. Nelson Arabis lyrata var. glabra (de Candolle) M. Hopkins Arabis lyrata var. intermedia (de Candolle) Farwell Arabis lyrata subsp. kamchatica (Fischer ex de Candolle) Hultén Arabis lyrata var. occidentalis S. Watson Arabis occidentalis Cardaminopsis kamchatica
Treatment appears in FNA Volume 7. Treatment on page 450. Mentioned on page 449.

Biennials or perennials; caudex unbranched or with a root crown, often slender. Basal leaves: (petiole often glabrous); blade margins lyrate or lyrate-pinnatifid, terminal lobes distinct, (surfaces glabrous or sparsely pubescent). Petals (4–) 5–5.5 (–6) mm. Fruits 1.2–1.5 (–1.8) mm wide; style 0–0.5 mm. 2n = 16, 32.


Phenology: Flowering Jun–Jul.
Habitat: Gravelly slopes, forests, gravel bars, high-elevation scree and talus, roadsides
Elevation: 50-2000 m

Distribution

V7 684-distribution-map.gif

Alta., B.C., N.W.T., Sask., Yukon, Alaska, Wash., ne Asia

Discussion

G. A. Mulligan (1996) treated subsp. kamchatica as a species of Arabis; R. C. Rollins (1993) treated it as a variety of A. lyrata.

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 +
(Fischer ex de Candolle) O’Kane & Al-Shehbaz +
Arabis lyrata var. kamchatica +
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. +, N.W.T. +, Sask. +, Yukon +, Alaska +, Wash. +  and ne Asia +
50-2000 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 +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
latiseptate +  and unsegmented +
indehiscent +  and dehiscent +
angustiseptate +  and terete +
latiseptate +, subsessile +  and stipitate +
terete +  and torulose +
Gravelly slopes, forests, gravel bars, high-elevation scree and talus, roadsides +
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 +
0.55 cm5.5 mm <br />0.0055 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
rudimentary +
0.5 cm5 mm <br />0.005 m <br /> (0.55 cm5.5 mm <br />0.0055 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 Jun–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 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
glabrous or +  and sparsely densely pubescent +
Arabis ambigua var. glabra +, Arabis ambigua var. intermedia +, Arabis kamchatica +, Arabis lyrata var. glabra +, Arabis lyrata var. intermedia +, Arabis lyrata subsp. kamchatica +, Arabis lyrata var. occidentalis +, Arabis occidentalis +  and Cardaminopsis kamchatica +
Arabidopsis lyrata subsp. kamchatica +
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 +