Townsendia leptotes

(A. Gray) Osterhout

Muhlenbergia 4: 69. 1908.

Endemic
Basionym: Townsendia sericea var. leptotes A. Gray Proc. Amer. Acad. Arts 16: 85. 1880
Treatment appears in FNA Volume 20. Treatment on page 203. Mentioned on page 195.

Perennials, 1–3 cm (± pulvinate). Stems ± erect; internodes 0.1–1 mm, strigose. Leaves basal and cauline, blades spatulate to narrowly obovate, (8–) 12–25 (–40+) × 1–2 (–3+) mm, ± fleshy, faces ± strigose to strigillose or glabrate. Heads usually ± sessile, rarely on scapiform peduncles 5–15+ mm. Involucres ± campanulate, 8–12 (–20+) mm diam. Phyllaries 40–50+ in 4–5+ series, the longer ± lanceolate, 7–9 (–12) mm (l/w = 2.5–5), apices acute to attenuate, abaxial faces sparsely strigose or glabrous. Ray-florets 13–34+; corollas usually white or pinkish, seldom blue, adaxially, laminae 5–7 (–12+) mm, abaxially usually glabrous, sometimes sparsely glandular-puberulent. Disc-florets 40–80+; corollas 4–6+ mm. Cypselae 3+ mm, faces glabrous or sparsely hairy (hairs mostly at bases), hair tips glochidiform; pappi persistent; on ray cypselae ca. 25 lanceolate or subulate to setiform scales 0–1 or 5–8 mm; on disc cypselae ca. 30 subulate to setiform scales 5–8 mm. 2n = 18.


Phenology: Flowering Jun–Jul.
Habitat: Rocky ridges, sandy slopes
Elevation: (2300–)2900–3800 m

Distribution

V20-450-distribution-map.gif

Calif., Colo., Idaho, Mont., Nev., N.Mex., Utah, Wyo.

Discussion

Selected References

None.

Lower Taxa

None.

"broader" is not a number.

... more about "Townsendia leptotes"
glabrous +  and strigose +
not tailed +, rounded +  and obtuse +
distinct +
acute;attenuate +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
John L. Strother +
(A. Gray) Osterhout +
decurrent +
Townsendia sericea var. leptotes +
2.5 cm25 mm <br />0.025 m <br /> (4 cm40 mm <br />0.04 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
spatulate;narrowly obovate +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
rugulose +  and muricate +
barbellulate +  and barbellate +
not 2-lipped +  and actinomorphic +
blue +, pinkish +  and white +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
obovate +  and oblanceolate +
fertile +  and bisexual +
fertile +  and bisexual +
Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Utah +  and Wyo. +
(2300–)2900–3800 m +
hairy +, glabrous +, less strigose +  and strigillose or glabrate +
scabrellous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Rocky ridges, sandy slopes +
glochidiform +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
campanulate +
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
glandular-puberulent +  and glabrous +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
cauline +  and basal +
spreading;erect +
lance-deltate +  and lance-oblong +
dentate to pinnatifid +  and entire +
lobed +, toothed +  and entire +
2-carpellate +
persistent +
scapiform +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Flowering Jun–Jul. +
0.9 cm9 mm <br />0.009 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
lanceolate +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Muhlenbergia +
bearing subulate enations +, hairy +  and bristly +
pitted +  and smooth +
convex;flat +
30 +, 5-8 mm +, 0 +  and 1 +
subulate +  and setiform +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
exalbuminous +
villous +, strigose +, strigillose +, sericeous +, piloso-strigose +, piloso-hirsute +, pilose +, hispidulous +, glabrous +  and glabrate +
strigoso-scabrellous +  and scabrellous +
lance-deltate +  and attenuate +
appendaged +  and truncate +
papillate +  and smooth +
Compositae +
Townsendia leptotes +
Townsendia +
species +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
tree +, shrub +  and subshrub +