Townsendia incana

Nuttall

Trans. Amer. Philos. Soc., n. s. 7: 305. 1840.

Endemic
Synonyms: Townsendia arizonica A. Gray
Treatment appears in FNA Volume 20. Treatment on page 199. Mentioned on page 194, 195.

Perennials, (1–) 2–8 (–12+) cm. Stems decumbent to erect; internodes (0.5–) 2–6 (–12+) mm, usually densely piloso-hirsute, sometimes strigoso-scabrellous (surfaces usually hidden by hairs). Leaves basal and cauline, blades spatulate to narrowly oblanceolate, 3–12 (–40+) × 1–2 (–4+) mm, not fleshy, ± strigoso-scabrellous to strigillose. Heads at tips of stems (usually surpassed by leaves). Involucres ± campanulate to hemispheric, (6–) 10–15 (–20) mm diam. Phyllaries 16–28+ in 3–4+ series, the longer ± lanceovate to lanceolate, (6–) 8–9 (–12+) mm (l/w = 2.5–5), apices acute, abaxial faces strigose. Ray-florets (8–) 13–34+; corollas white or pinkish adaxially, laminae 5–8 (–12+) mm, abaxially usually glabrous, sometimes glandular-puberulent at bases. Disc-florets 60–80+; corollas 4.5–6.5+ mm. Cypselae 3.5–4.5+ mm, faces hairy, hair tips glochidiform; pappi persistent; on ray cypselae 15–30 lanceolate or subulate to setiform scales 0.3–0.6 or 4–6+ mm; on disc cypselae 15–30+ subulate to setiform scales 4–6+ mm. 2n = 18.


Phenology: Flowering Apr–Jul.
Habitat: Sandy soils, rocky benches, shales, with pinyons and junipers
Elevation: 1100–2200 m

Distribution

V20-435-distribution-map.gif

Ariz., Colo., Mont., Nev., N.Mex., Utah, Wyo.

Discussion

Selected References

None.

Lower Taxa

None.

"broader" is not a number.

... more about "Townsendia incana"
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
John L. Strother +
Nuttall +
decurrent +
1.2 cm12 mm <br />0.012 m <br /> (4 cm40 mm <br />0.04 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
strigillose +
strigoso-scabrellous +
spatulate;narrowly oblanceolate +
not fleshy +
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 +
pinkish +  and white +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
obovate +  and oblanceolate +
fertile +  and bisexual +
fertile +  and bisexual +
Ariz. +, Colo. +, Mont. +, Nev. +, N.Mex. +, Utah +  and Wyo. +
1100–2200 m +
scabrellous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Sandy soils, rocky benches, shales, with pinyons and junipers +
glochidiform +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
piloso-hirsute +
strigoso-scabrellous +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
less campanulate;hemispheric +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
glandular-puberulent +  and glabrous +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
cauline +  and basal +
spreading;erect +
lance-deltate +  and lance-oblong +
dentate to pinnatifid +  and entire +
lobed +, toothed +  and entire +
2-carpellate +
persistent +
15 +  and 30 +
Flowering Apr–Jul. +
0.9 cm9 mm <br />0.009 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
less lanceovate +  and lanceolate +
0.8 cm8 mm <br />0.008 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Trans. Amer. Philos. Soc., n. s. +
bearing subulate enations +, hairy +  and bristly +
pitted +  and smooth +
convex;flat +
15 +  and 30 +
subulate +  and setiform +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
exalbuminous +
decumbent +  and erect +
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 +
Townsendia arizonica +
Townsendia incana +
Townsendia +
species +
8 cm80 mm <br />0.08 m <br /> (12 cm120 mm <br />0.12 m <br />) +
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 m <br />) +
tree +, shrub +  and subshrub +