Lepidium virginicum subsp. menziesii

(de Candolle) Thellung

Mitt. Bot. Mus. Univ. Zürich 28: 230. 1906.

Basionym: Lepidium menziesii de Candolle Syst. Nat. 2: 539. 1821
Synonyms: Lepidium bernardinum Abrams Lepidium californicum Nuttall Lepidium glaucum Greene Lepidium hirsutum Rydberg Lepidium idahoense A. Heller Lepidium intermedium var. pubescens Greene Lepidium medium Howell Lepidium medium var. pubescens (Greene) B. L. Robinson Lepidium occidentale A. Heller Lepidium robinsonii Lepidium simile Lepidium virginicum var. californicum Jepson Lepidium virginicum var. medium (Greene) C. L. Hitchcock Lepidium virginicum var. menziesii (de Candolle) C. L. Hitchcock Lepidium virginicum var. pubescens (Greene) Thellung Lepidium virginicum var. robinsonii (Thellung) C. L. Hitchcock
Treatment appears in FNA Volume 7. Treatment on page 595.
Revision as of 11:35, 30 July 2020 by imported>Volume Importer
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Fruiting pedicels flattened (at least proximal to apex), (0.2–) 0.3–0.4 mm wide. Fruit valves glabrous or puberulent. Cotyledons incumbent or obliquely so. 2n = 32.


Phenology: Flowering Mar–Jun.
Habitat: Roadsides, bottomlands, gravelly and sandy shores, waste grounds, stream banks, grassy meadows, dry flats and stream beds, abandoned fields, woods, cliffs, plains, pastures, sagebrush and other desert shrub communities, dry mountain slopes
Elevation: 700-2600 m

Distribution

V7 968-distribution-map.gif

B.C., Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Tex., Utah, Wash., Wyo., Mexico

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

oblong +  and ovate +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
Ihsan A. Al-Shehbaz +  and John F. Gaskin +
(de Candolle) Thellung +
not auriculate +, attenuate +  and subcuneate +
Lepidium menziesii +
appendaged +  and unappendaged +
10 cm100 mm <br />0.1 m <br /> (15 cm150 mm <br />0.15 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
not +  and auriculate +
1 cm10 mm <br />0.01 m <br /> (6 cm60 mm <br />0.06 m <br />) +
lobed +, crenate +, serrate +, denticulate +  and dentate +
linear;oblanceolate;oblanceolate;spatulate;oblanceolate;spatulate;obovate +
much smaller +  and reduced +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
urceolate +, campanulate +  and tubular +
branched +  and simple +
well-developed +
distinct +
0-0.8 mm +  and undifferentiated +
differentiated +
emarginate +  and entire +
incumbent +  and accumbent +
obliquely +  and incumbent +
B.C. +, Ariz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, Tex. +, Utah +, Wash. +, Wyo. +  and Mexico +
700-2600 m +
straight +  and curved +
not winged +  and unappendaged +
connate +  and distinct +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
actinomorphic +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
spatulate +  and oblanceolate +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
nearly +  and orbicular +
puberulent +  and glabrous +
terete +, inflated +, angustiseptate +, globose +, obovoid +, ovoid +, orbicular +, elliptic +, obcordate +, cordate +, obovate +, ovate +  and oblong +
terete +, inflated +, angustiseptate +, globose +, obovoid +, ovoid +, orbicular +, elliptic +, obcordate +, cordate +, obovate +, ovate +  and oblong +
Roadsides, bottomlands, gravelly and sandy shores, waste grounds, stream banks, grassy meadows, dry flats and stream beds, abandoned fields, woods, cliffs, plains, pastures, sagebrush and other desert shrub communities, dry mountain slopes +
sessile +  and petiolate +
alternate +, not +  and rosulate +
cauline +  and basal +
connate +  and distinct +
decurrent +
entire +  and serrate +
pinnatifid;lyrate or dentate +
tenuinucellate +, crassinucellate +  and bitegmic +
campylotropous +  and anatropous +
purple +, pink +, yellow +  and white +
rudimentary +
cruciform +
0.5 cm5 mm <br />0.005 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
Flowering Mar–Jun. +
trinucleate +  and 3(-11)-colpate +
Mitt. Bot. Mus. Univ. Zürich +
stout +  and slender +
glabrous +  and puberulent +
mucilaginous +
not winged +, margined +  and winged +
0.19 cm1.9 mm <br />0.0019 m <br /> (0.21 cm2.1 mm <br />0.0021 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
not +  and mucilaginous +
white +, black +, brown +  and yellow +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.19 cm1.9 mm <br />0.0019 m <br />) +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
persistent +  and caducous +
distinct +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
ascending +  and spreading +
oblong +  and ovate +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
perforated +  and complete +
reduced +
latiseptate +, schizocarpic +, samaroid +  and lomentaceous +
indehiscent +  and dehiscent +
angustiseptate +, flat +, angled +, terete +, torulose +, not +, segmented +  and nutletlike +
Weedy +  and Illustrated +
tetradynamous +
branched +  and simple +
prostrate +  and decumbent +
entire +  and capitate +
subsessile +, sessile +  and petiolate +
persistent +
distinct +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
Lepidium bernardinum +, Lepidium californicum +, Lepidium glaucum +, Lepidium hirsutum +, Lepidium idahoense +, Lepidium intermedium var. pubescens +, Lepidium medium +, Lepidium medium var. pubescens +, Lepidium occidentale +, Lepidium robinsonii +, Lepidium simile +, Lepidium virginicum var. californicum +, Lepidium virginicum var. medium +, Lepidium virginicum var. menziesii +, Lepidium virginicum var. pubescens +  and Lepidium virginicum var. robinsonii +
Lepidium virginicum subsp. menziesii +
Lepidium virginicum +
subspecies +
straight +  and curved +
recurved +, divaricate-ascending +  and nearly horizontal +
glabrous +  and puberulent +
cylindrical +
anastomosing +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
perennial +, biennial +  and annual +
aquatics +  and terrestrial +
pilose +, hirsute +, pubescent +  and glabrous +