Heliopsis parvifolia

A. Gray

Smithsonian Contr. Knowl. 5(6): 86. 1853.

Common names: Mountain oxeye
Treatment appears in FNA Volume 21. Treatment on page 68.

Perennials, 30–50 (–80) cm. Aerial stems (from ± erect caudices) 1–10+, stramineous to reddish, glabrous or sparingly hairy. Leaf-blades deltate-lanceolate, (1.5–) 3–6 × 0.8–3 cm, margins irregularly dentate to subentire (proximal teeth larger), apices acuminate to obtuse, faces sparsely pubescent to glabrescent. Heads 1–10+. Peduncles (6–) 15–30 cm. Involucres 12–20 mm diam. Phyllaries densely pubescent on margins and apices, abaxial faces glabrescent. Paleae lanceolate to oblong, apices acuminate, faces glabrous. Ray-florets 9–11; corollas golden yellow (young) to pale-yellow (old), laminae (1–) 2–3 cm × 5–14 mm. Disc-florets 8–50+; corollas greenish yellow to yellowbrown (lobes brighter than tubes), 3–4.5 mm, glabrous. Cypselae 4.5–5 mm, glabrous, rugulose to subtuberculate; pappi 0.2n = 28.


Phenology: Flowering late spring–early fall.
Habitat: Open, rocky mountain slopes, canyons
Elevation: 1200–2500 m

Distribution

V21-146-distribution-map.gif

Ariz., N.Mex., Tex., Mexico (Chihuahua), Mexico (Coahuila), Mexico (Durango), Mexico (Sonora), Mexico (Tamaulipas)

Discussion

Selected References

None.

Lower Taxa

None.

"broader" is not a number.

... more about "Heliopsis parvifolia"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
spiciform +, racemiform +, paniculiform +, corymbiform +  and cymiform +
indeterminate +  and determinate +
Alan R. Smith +
A. Gray +
bristlelike +
coroniform +
cuneate to subtruncate +  and cuneate +
ovate;lanceolate +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
Mountain oxeye +
greenish yellow +  and yellowbrown +
0.3 cm3 mm <br />0.003 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
rugulose +  and subtuberculate +
4-angled +  and subterete +
fertile +  and bisexual +
fertile +  and bisexual +
Ariz. +, N.Mex. +, Tex. +, Mexico (Chihuahua) +, Mexico (Coahuila) +, Mexico (Durango) +, Mexico (Sonora) +  and Mexico (Tamaulipas) +
1200–2500 m +
glabrous +, sparsely pubescent +  and glabrescent +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Open, rocky mountain slopes, canyons +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
1.2 cm12 mm <br />0.012 m <br /> (2 cm20 mm <br />0.02 m <br />) +
turbinate;hemispheric +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
5mm;14mm +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (3 cm30 mm <br />0.03 m <br />) +
deltate +
dentate to pinnatifid or palmatifid +  and entire +
irregularly dentate +  and subentire +
2-carpellate +
lanceolate;oblong +
persistent +
coroniform +
6 cm60 mm <br />0.06 m <br /> (15 cm150 mm <br />0.15 m <br />) +
15 cm150 mm <br />0.15 m <br /> (30 cm300 mm <br />0.3 m <br />) +
Flowering late spring–early fall. +
12 +  and 20 +
unequal +  and subequal +
Smithsonian Contr. Knowl. +
bearing subulate enations +, hairy +  and bristly +
convex;conic +
exalbuminous +
stramineous +  and reddish +
trailing +  and erect +
1 +  and 10 +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Undefined (tribe Undefined) subtribe Enceliinae +, Undefined (tribe Undefined) subtribe Engelmanniinae +, Undefined (tribe Undefined) subtribe Spilanthinae +, Undefined (tribe Undefined) subtribe Verbesininae +  and Undefined (tribe Undefined) subtribe Zinniinae +
Heliopsis parvifolia +
Heliopsis +
species +
cylindric +
cylindric +
shorter to longer than campanulate +
toothed +  and entire +
50 cm500 mm <br />0.5 m <br /> (80 cm800 mm <br />0.8 m <br />) +
30 cm300 mm <br />0.3 m <br /> (50 cm500 mm <br />0.5 m <br />) +
shrub +  and subshrub +