Pyrrocoma crocea var. crocea

Treatment appears in FNA Volume 20. Treatment on page 417.

Plants 30–60 (–80) cm, usually robust. Stems erect. Basal leaves 100–450 × 20–60 mm. Heads usually borne singly, sometimes 2–3. Involucres 15–20 × 20–60 mm. Ray corollas 13–30 mm. 2n = 12, 24.


Phenology: Flowering Jul–Oct.
Habitat: Moist, alkaline meadows, openings in pine forest
Elevation: 1900–2800 m

Discussion

Variety crocea has the largest and most attractive heads in the genus and is often used as an ornamental.

Selected References

None.

Lower Taxa

None.

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

not tailed +, rounded +  and obtuse +
distinct +
obtuse;obtuse;acute +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
corymbiform +, loose +, spiciform +  and racemiform +
indeterminate +  and determinate +
David J. Bogler +
(A. Gray) Greene +
oblanceolate +
10 cm100 mm <br />0.1 m <br /> (45 cm450 mm <br />0.45 m <br />) +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
serrate or shallowly laciniate +, spinulose-dentate +  and entire +
linear +  and elliptic +
attenuate +
3mm;30mm +
Haplopappus croceus +
compound +  and simple +
1 cm10 mm <br />0.01 m <br /> (12 cm120 mm <br />0.12 m <br />) +
lanceolate;oblanceolate;spatulate or narrowly elliptic +
0.5 cm5 mm <br />0.005 m <br /> (3 cm30 mm <br />0.03 m <br />) +
rugulose +  and muricate +
barbellulate +  and barbellate +
not 2-lipped +  and actinomorphic +
0.7 cm7 mm <br />0.007 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
4-angled +, compressed +  and oblong +
fertile +  and bisexual +
fertile +  and bisexual +
Colo. +, N.Mex. +, Utah +  and Wyo. +
1900–2800 m +
glabrous +  and puberulent +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Moist, alkaline meadows, openings in pine forest +
discoid +  and disciform +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
hemispheric +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
sessile +  and petiolate +
cauline +  and basal +
deltate +
spinulose-dentate +  and entire +
linear +  and elliptic +
denticulate +, entire +  and undulate +
3mm +  and 30mm +
2-carpellate +
persistent +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Flowering Jul–Oct. +
yellowish +  and green +
appressed +  and loosely spreading +
oblong +  and spatulate +
0.9 cm9 mm <br />0.009 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
1.3 cm13 mm <br />0.013 m <br /> (3 cm30 mm <br />0.03 m <br />) +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
Illustrated +  and Endemic +
reddish +  and pale +
tomentose +  and glabrous +
2 +  and 10 +
appendaged +  and truncate +
papillate +  and smooth +
Haplopappus sect. Pyrrocoma +
Pyrrocoma crocea var. crocea +
Pyrrocoma crocea +
variety +
tubular-funnelform +
50 cm500 mm <br />0.5 m <br /> (90 cm900 mm <br />0.9 m <br />) +
stipitate-glandular +, glabrous +, tomentose +  and sericeous +
5 cm50 mm <br />0.05 m <br /> (50 cm500 mm <br />0.5 m <br />) +
60 cm600 mm <br />0.6 m <br /> (80 cm800 mm <br />0.8 m <br />) +