Wislizenia refracta

Engelmann in F. A. Wislizenus

in F. A. Wislizenus, Mem. Tour N. Mexico, 99. 1848.

Weedy
Synonyms: Wislizenia costellata Rose ex Greene Wislizenia melilotoides Greene Wislizenia refracta var. melilotoides (Greene) I. M. Johnston Wislizenia scabrida
Treatment appears in FNA Volume 7. Treatment on page 214. Mentioned on page 213.
Revision as of 11:06, 30 July 2020 by imported>Volume Importer
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Annuals, 40–200 cm. Stems glabrous or glabrate (sometimes smooth when dry). Leaves: petiole 0.2–3.1 cm; leaflets 3, green, blade ovate or obovate, (0.4–) 1–4.9 × 0.4–2 cm, 1.5–4 (–5.5) times as long as wide, margins entire, apex acute to rounded. Racemes 1–1.5 cm (2–3 cm in fruit). Flowers: sepals green, lanceolate, 0.4–1.7 × 0.2–0.7 mm, more than 1.75 times as long as wide, margins entire, glabrous; petals yellow, oblong, 1.4–4.6 × 0.5–1.8 mm; stamens yellow, 2–6 mm; anthers 0.5–1.7 mm; gynophore (reflexed in fruit), 2–12 mm in fruit, usually shorter than pedicel. Schizocarps 1.2–3.3 × 1 mm. Seeds 0.5 × 0.3 mm. 2n = 40.


Phenology: Flowering spring–fall.
Habitat: Dry sandy flats, desert scrub, roadsides
Elevation: 500-2400 m

Distribution

V7 296-distribution-map.gif

Ariz., Calif., Nev., N.Mex., Tex., Utah, Mexico (Chihuahua), Mexico (Sonora)

Discussion

Wislizenia refracta is known from trans-Pecos Texas, and from the Mojave Desert (San Bernardino County and Little San Bernardino Mountains in Riverside County) in California.

Selected References

None.

Lower Taxa

None.
... more about "Wislizenia refracta"
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.17 cm1.7 mm <br />0.0017 m <br />) +
acute +  and rounded +
Gordon C. Tucker +
Engelmann in F. A. Wislizenus +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
1.5-4(-5.5) +
1 cm10 mm <br />0.01 m <br /> (4.9 cm49 mm <br />0.049 m <br />) +
serrulate +, serrate +  and entire +
obovate +  and ovate +
0.4 cm4 mm <br />0.004 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Ariz. +, Calif. +, Nev. +, N.Mex. +, Tex. +, Utah +, Mexico (Chihuahua) +  and Mexico (Sonora) +
500-2400 m +
adnate +  and free +
rotate;crateriform campanulate or urceolate +
0.2 cm2 mm <br />0.002 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
dehiscent +  and indehiscent +
elongate +
Dry sandy flats, desert scrub, roadsides +
sessile +  and stalked +
filiform +
axillary +  and terminal +
arranged +  and alternate +
1-carpellate +
distinct +
1.4mm;4.6mm +
unequal +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (3.1 cm31 mm <br />0.031 m <br />) +
Flowering spring–fall. +
tricolporate +  and binucleate +
in F. A. Wislizenus, Mem. Tour N. Mexico, +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.33 cm3.3 mm <br />0.0033 m <br />) +
not arillate +
gray +  and black +
0.5 cm5 mm <br />0.005 m <br /> (?) +
globose +
0.3 cm3 mm <br />0.003 m <br /> (?) +
persistent +
distinct +
lanceolate +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
glandular-pubescent +  and glabrous +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
spreading +  and erect +
glabrate +  and glabrous +
deciduous +  and caducous +
scale-like +, thread-like +  and 3-8-palmatifid +
Wislizenia costellata +, Wislizenia melilotoides +, Wislizenia refracta var. melilotoides +  and Wislizenia scabrida +
Wislizenia refracta +
Wislizenia +
species +
minute +
40 cm400 mm <br />0.4 m <br /> (200 cm2,000 mm <br />2 m <br />) +
perennial +  and annual +
subshrub +, shrub +  and herb +