Viguiera cordifolia

A. Gray

Smithsonian Contr. Knowl. 3(5): 107. 1852.

Common names: Heartleaf goldeneye
Treatment appears in FNA Volume 21. Treatment on page 173.

Perennials, 50–100 cm. Leaves opposite (proximal) or alternate (distal); petioles 1–8 mm; blades ovate to deltate-ovate or lanceolate (distal), 2–10 × 1.3–7 cm, margins serrate or serrulate, faces strigose. Heads borne singly or 2–9 in ± corymbiform arrays. Peduncles 1–15 cm. Involucres 11–15 × 7–15 mm. Phyllary apices gradually narrowed. Paleae 8–11 mm, apices acuminate, shortly cuspidate. Ray-florets 6–8; tubes 1.5–2 mm, laminae 9–19 mm. Disc-florets 40+; corollas 5.5–6.6 mm (staminal filaments glabrous). Cypselae 5–6.5 mm, ± strigose; pappi of 2 lacerate, aristate scales 5–5.5 mm plus 2–4 lacerate scales 0.5–1.3 mm. 2n = 34.


Phenology: Flowering Jul–Sep.
Habitat: Dry slopes and canyons, mostly pine forests and limestone soils
Elevation: 1300–2700 m

Distribution

V21-425-distribution-map.gif

Ariz., N.Mex., Tex., Mexico

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Viguiera cordifolia"
not tailed +, rounded +  and obtuse +
pale +  and dark +
connate +  and distinct +
acuminate +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Edward E. Schilling +
A. Gray +
decurrent +
2 cm20 mm <br />0.02 m <br /> (10 cm100 mm <br />0.1 m <br />) +
ovate;deltate-ovate or lanceolate +
1.3 cm13 mm <br />0.013 m <br /> (7 cm70 mm <br />0.07 m <br />) +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
Heartleaf goldeneye +
0.55 cm5.5 mm <br />0.0055 m <br /> (0.66 cm6.6 mm <br />0.0066 m <br />) +
obpyramidal +  and compressed +
fertile +  and bisexual +
fertile +  and bisexual +
Ariz. +, N.Mex. +, Tex. +  and Mexico +
1300–2700 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Dry slopes and canyons, mostly pine forests and limestone soils +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
1.1 cm11 mm <br />0.011 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
hemispheric +
0.7 cm7 mm <br />0.007 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.9 cm9 mm <br />0.009 m <br /> (1.9 cm19 mm <br />0.019 m <br />) +
sessile +  and petiolate +
alternate +  and opposite +
triangular +
serrulate +  and serrate +
2-carpellate +
0.8 cm8 mm <br />0.008 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
persistent +
2 +  and 4 +
aristate +  and lacerate +
1 cm10 mm <br />0.01 m <br /> (15 cm150 mm <br />0.15 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Flowering Jul–Sep. +
10 +  and 30 +
Smithsonian Contr. Knowl. +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
lacerate +  and aristate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
exalbuminous +
branched +  and unbranched +
ascending +  and erect +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Undefined (tribe Undefined) subtribe Lagasceinae +
Viguiera cordifolia +
Viguiera +
species +
campanulate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
toothed +  and entire +
50 cm500 mm <br />0.5 m <br /> (100 cm1,000 mm <br />1 m <br />) +
2 cm20 mm <br />0.02 m <br /> (20 cm200 mm <br />0.2 m <br />) +