Omalotheca supina

(Linnaeus) de Candolle in A. P. de Candolle and A. L. P. P. de Candolle

in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 6: 245. 1838.

Common names: Alpine Arctic-cudweed gnaphale couché
Basionym: Gnaphalium supinum Linnaeus Syst. Nat. ed. 12, 3: 234. 1768
Treatment appears in FNA Volume 19. Treatment on page 439. Mentioned on page 58, 387.

Plants 2–8 (–12) cm. Leaves mostly basal (in persistent rosettes); blades 1-nerved, linear to linear-oblanceolate, 5–25 × 3 mm, cauline similar, faces concolor, gray-green, thinly woolly. Heads (usually 1–7) in subcapitate to loose, spiciform arrays. Involucres campanulate, 5–6 mm. Phyllaries light green to tan, oblong to lanceolate, outer obtuse, inner mostly acute, margins and tips dark-brown. Cypselae obovoid, strigose; pappus bristles distinct, falling separately. 2n = 28.


Phenology: Flowering Jul–Sep.
Habitat: Granite outcrops, gravelly slopes, other alpine sites
Elevation: 200–1300 m

Distribution

V19-725-distribution-map.gif

Greenland, Nfld. and Labr., Que., Maine, N.H., Vt., Europe, Asia (Caucasus), Asia (Iran)

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Omalotheca supina"
white +  and gray +
greenish;white;grayish +
glabrate +, sericeous +  and thinly woolly +
truncate-penicillate;truncate +
scarious +
mostly ovate +  and lanceovate or linear +
spiciform +, subcapitate +  and loose +
indeterminate +  and determinate +
Guy L. Nesom +
(Linnaeus) de Candolle in A. P. de Candolle and A. L. P. P. de Candolle +
cuneate +
Gnaphalium supinum +
0.5 cm5 mm <br />0.005 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
linear;linear-oblanceolate +
3 cm30 mm <br />0.03 m <br /> (?) +
5-ribbed +, 3-ribbed +  and 2-ribbed +
muriculate +, papillate +  and smooth +
connate +  and distinct +
Alpine Arctic-cudweed +  and gnaphale couché +
actinomorphic +
reddish +, purplish +  and whitish +
Greenland +, Nfld. and Labr. +, Que. +, Maine +, N.H. +, Vt. +, Europe +, Asia (Caucasus) +  and Asia (Iran) +
200–1300 m +
gray-green;concolor +
papillate +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Granite outcrops, gravelly slopes, other alpine sites +
singly +  and aggregated +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
campanulate +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
rarely lanceovate +  and lanceolate +
2-carpellate +
persistent +
Flowering Jul–Sep. +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
bearing subulate enations +, hairy +  and bristly +
flat;concave +
exalbuminous +
appendaged +  and truncate +
papillate +
Compositae +
Omalotheca supina +
Omalotheca +
species +
dark-brown +
2 cm20 mm <br />0.02 m <br /> (70 cm700 mm <br />0.7 m <br />) +
8 cm80 mm <br />0.08 m <br /> (12 cm120 mm <br />0.12 m <br />) +