Leuciva dealbata

(A. Gray) Rydberg in N. L. Britton et al.

in N. L. Britton et al., N. Amer. Fl. 33: 8. 1922.

Illustrated
Basionym: Iva dealbata A. Gray Smithsonian Contr. Knowl. 3(5): 104. 1852
Synonyms: Euphrosyne dealbata (A. Gray) Panero
Treatment appears in FNA Volume 21. Treatment on page 30.

Leaves: petioles 1–5+ mm; blades 7–10 (–18+) × 1–6 (–12) cm overall, lobes 3–5+ mm wide. Peduncles 1–10+ mm. Involucres 2–3+ mm. Phyllaries: outer 5 sparsely strigose or glabrous abaxially, margins ciliolate, inner ciliolate. Pistillate florets: corollas 0.1–0.7 mm, or 0. Functionally staminate florets: corollas 1.5–2 mm. Cypselae 1.5–2 mm. 2n = 72.


Phenology: Flowering Jul–Nov.
Habitat: Calcareous desert soils
Elevation: 1000–2000 m

Distribution

V21-54-distribution-map.gif

Ariz., N.Mex., Tex., Mexico (Chihuahua), Mexico (Coahuila), Mexico (Durango), Mexico (Nuevo León), Mexico (San Luis Potosí), Mexico (Zacatecas)

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Leuciva dealbata"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
paniculiform +
indeterminate +  and determinate +
John L. Strother +
(A. Gray) Rydberg in N. L. Britton et al. +
decurrent +
Iva dealbata +
compound +  and simple +
10 cm100 mm <br />0.1 m <br /> (18 cm180 mm <br />0.18 m <br />) +
6 cm60 mm <br />0.06 m <br /> (12 cm120 mm <br />0.12 m <br />) +
7 cm70 mm <br />0.07 m <br /> (10 cm100 mm <br />0.1 m <br />) +
lobed;lanceolate;oblanceolate +
1cm;6cm +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
villous +, strigillose +, hispidulous +, glabrous +  and warty +
scabrellous +  and tuberculate +
obcompressed +  and pyriform +
fertile +  and bisexual +
Ariz. +, N.Mex. +, Tex. +, Mexico (Chihuahua) +, Mexico (Coahuila) +, Mexico (Durango) +, Mexico (Nuevo León) +, Mexico (San Luis Potosí) +  and Mexico (Zacatecas) +
1000–2000 m +
glabrous +, stipitate-glandular +  and hairy +
staminate +  and pistillate +
winged +  and beaked +
dispersed +
Calcareous desert soils +
disciform +  and discoid +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
scarious to membranous +
membranous +  and scarious +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
hemispheric +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
conspicuous +
deltate +
3mm +  and 5mm +
dentate to pinnatifid or palmatifid +  and entire +
glabrous +  and strigose +
2-carpellate +
persistent +
0.1 cm1 mm <br />0.001 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Flowering Jul–Nov. +
5 +  and 80 +
unequal +  and subequal +
in N. L. Britton et al., N. Amer. Fl. +
bearing subulate enations +, hairy +  and bristly +
convex;convex +
exalbuminous +
Illustrated +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Euphrosyne dealbata +
Leuciva dealbata +
species +
campanulate +  and cylindric +
toothed +  and entire +
20 cm200 mm <br />0.2 m <br /> (60 cm600 mm <br />0.6 m <br />) +
shrub +  and subshrub +