Dieteria asteroides var. asteroides

Synonyms: Aster canescens var. tephrodes Aster tephrodes (A. Gray) S. F. Blake Machaeranthera tephrodes (A. Gray) Greene
Treatment appears in FNA Volume 20. Treatment on page 397. Mentioned on page 396.

Stems hairy to canescent, sometimes sparsely glandular. Leaves: mid-blades 6–20 mm wide, margins usually serrate or serrulate, faces puberulent or canescent, sometimes sparsely stipitate-glandular. Involucres hemispheric, 8–15 mm. Phyllary apices long-acuminate, 3–6 mm, faces puberulent or canescent, sparsely stipitate-glandular. 2n = 8.


Phenology: Flowering Jul–Oct.
Habitat: Grasslands, creosote bush scrublands, pine/oak woodlands, often along streams
Elevation: 300–2400 m

Distribution

V20-902-distribution-map.gif

Ariz., Calif., Nev., N.Mex., Mexico (Chihuahua), Mexico (Sonora)

Discussion

Selected References

None.

Lower Taxa

None.
not tailed +, rounded +  and obtuse +
distinct +
stipitate-glandular +  and hairy +
subequal +
0.1 cm1 mm <br />0.001 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
David R. Morgan +
Torrey in W. H. Emory +
decurrent +
indurate +
linear;oblanceolate;linear;oblanceolate;lanceolate;oblong;obovate;ovate +
rugulose +  and muricate +
white +  and tawny +
not 2-lipped +  and actinomorphic +
yellow +, purple +, violet +, blue +  and white +
8-12-ribbed +  and smooth +
beaked +, 2-ribbed +  and 5-ribbed +
appressed-hairy +  and glabrous +
flattened +, linear +  and obovoid +
fertile +  and bisexual +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
fertile +  and bisexual +
Ariz. +, Calif. +, Nev. +, N.Mex. +, Mexico (Chihuahua) +  and Mexico (Sonora) +
300–2400 m +
stipitate-glandular +, canescent +  and puberulent +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Grasslands, creosote bush scrublands, pine/oak woodlands, often along streams +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.6 cm6 mm <br />0.006 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
hemispheric +
0.8 cm8 mm <br />0.008 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (3 cm30 mm <br />0.03 m <br />) +
white +  and purple +
10mm;20mm +
0.8mm;1.5mm +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
2 cm20 mm <br />0.02 m <br /> (10 cm100 mm <br />0.1 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (2 cm20 mm <br />0.02 m <br />) +
petiolate +  and sessile +
cauline +, proximal +  and basal +
deltate +  and lanceolate +
serrulate +  and serrate +
2-carpellate +
persistent +
stipitate-glandular +, canescent +, puberulent +  and hairy +
Flowering Jul–Oct. +
spreading +  and reflexed +
lanceolate +  and linear +
long-acuminate +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
in W. H. Emory, Not. Milit. Reconn., +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
erect +  and ascending +
appendaged +  and truncate +
papillate +  and smooth +
Aster canescens var. tephrodes +, Aster tephrodes +  and Machaeranthera tephrodes +
Dieteria asteroides var. asteroides +
Dieteria asteroides +
variety +
perennial +, short-lived +  and biennial +
10 cm100 mm <br />0.1 m <br /> (100 cm1,000 mm <br />1 m <br />) +
tree +, shrub +  and subshrub +