Hymenopappus filifolius var. cinereus

(Rydberg) I. M. Johnston

Contr. Gray Herb. 68: 98. 1923.

IllustratedEndemic
Basionym: Hymenopappus cinereus Rydberg Bull. Torrey Bot. Club 27: 634. 1900
Treatment appears in FNA Volume 21. Treatment on page 314. Mentioned on page 312.
Revision as of 22:47, 29 July 2020 by imported>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Stems 15–40 cm. Leaves: basal axils ± densely tomentose, terminal lobes 2–8 (–15) mm; cauline (0–) 2–4. Heads 1–6. Peduncles 1–6 cm. Phyllaries 6–9 mm. Florets 25–40; corollas yellowish or whitish, 3–4.5 mm, throats 1.5–2.5 mm, lengths 2.5–4 times lobes; anthers 2–3 mm. Cypselae 4–6 mm, hairs 1–3 mm; pappi 1.5–2 mm. 2n = 34.


Phenology: Flowering May–Sep.
Habitat: Open sites
Elevation: 1700–3000 m

Distribution

V21-770-distribution-map.gif

Ariz., Colo., N.Mex., Tex., Utah.

Discussion

Selected References

None.

Lower Taxa

None.
not tailed +, rounded +  and obtuse +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
John L. Strother +
(Rydberg) I. M. Johnston +
3 cm30 mm <br />0.03 m <br /> (20 cm200 mm <br />0.2 m <br />) +
decurrent +
Hymenopappus cinereus +
compound +  and simple +
toothed +
1-2+ times pinnately lobed ultimate margins usually entire +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
2 (?) +  and 4 (?) +
whitish +  and yellowish +
0.3 cm3 mm <br />0.003 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
less hirtellous +  and villous +
obpyramidal +
fertile +  and bisexual +
fertile +  and bisexual +
Ariz. +, Colo. +, N.Mex. +, Tex. +  and Utah. +
1700–3000 m +
tomentose +, hairy +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Open sites +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
discoid +  and radiate +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.4 cm4 mm <br />0.004 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
obconic;hemispheric +
cauline +  and basal +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
deltate +  and filiform +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (?) +  and 0.2 cm2 mm <br />0.002 m <br /> (?) +
dentate to pinnatifid or palmatifid +  and entire +
2-carpellate +
persistent +
of 12 +  and 22 orbiculate to spatulate scales +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
1 cm10 mm <br />0.01 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Flowering May–Sep. +
scarious-margined +
0.3 cm3 mm <br />0.003 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
5 +  and 13 +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Contr. Gray Herb. +
bearing subulate enations +, hairy +  and bristly +
convex;flat +
12 +  and 22 +
orbiculate +  and spatulate +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
exalbuminous +
Illustrated +  and Endemic +
scapiform +
15 cm150 mm <br />0.15 m <br /> (40 cm400 mm <br />0.4 m <br />) +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Compositae +
Hymenopappus filifolius var. cinereus +
Hymenopappus filifolius +
variety +
0.8 cm8 mm <br />0.008 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
2.5-4 times lobes +
campanulate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
toothed +  and entire +
5 cm50 mm <br />0.05 m <br /> (20 cm200 mm <br />0.2 m <br />) +
5 cm50 mm <br />0.05 m <br /> (10 cm100 mm <br />0.1 m <br />) +
tree +, shrub +  and subshrub +