Tetradymia canescens

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: 440. 1838.

IllustratedEndemic
Synonyms: Tetradymia inermis Nuttall
Treatment appears in FNA Volume 20. Treatment on page 630.

Shrubs, 10–80 cm. Stems 1–5+, erect, unarmed, pannose but for floccose or glabrescent streaks. Leaves: primaries lanceolate to spatulate, 5–40 (× 2–6) mm, tomentose to sericeous; secondaries similar, smaller. Heads 3–8. Peduncles 5–25 mm. Involucres turbinate to cylindric, 6–12 mm. Phyllaries 4, oblong to lanceolate. Florets 4; corollas cream to bright-yellow, 7–15 mm. Cypselae 3–5 mm, glabrous or hirsute; pappi of 100–150 bristles 6–11 mm. 2n = 60, 62, 90, 120.


Phenology: Flowering spring–fall.
Habitat: Sagebrush scrub, pinyon-juniper woodlands, yellow-pine forests
Elevation: 400–3300 m

Distribution

V20-1414-distribution-map.gif

B.C., Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Utah, Wash., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.

"[mm" is not declared as a valid unit of measurement for this property."]mm" is not declared as a valid unit of measurement for this property.

... more about "Tetradymia canescens"
120 +, 90 +, 62 +  and 60 +
not tailed +, rounded +  and obtuse +
papillate +
truncate-penicillate;usually truncate;rounded-truncate +
scarious +
usually ovate +  and lance-linear +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
John L. Strother +
de Candolle in A. P. de Candolle and A. L. P. P. de Candolle +
decurrent +
linear;filiform narrowly lanceolate or oblanceolate +
winged;nerved;ribbed +
barbellulate +  and smooth +
0.6 cm6 mm <br />0.006 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
cream +  and bright-yellow +
0.7 cm7 mm <br />0.007 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
hirsute +  and glabrous +
prismatic +  and obconic or fusiform +
fertile +  and bisexual +
fertile +  and bisexual +
B.C. +, Ariz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, Utah +, Wash. +  and Wyo. +
400–3300 m +
glabrescent +, lanate +  and tomentose +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Sagebrush scrub, pinyon-juniper woodlands, yellow-pine forests +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
turbinate;cylindric +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
linear +  and lanceolate +
2-carpellate +
of 70 +  and 150 bristles or , , scales +
0.5 cm5 mm <br />0.005 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Flowering spring–fall. +
oblong +  and lanceolate +
tomentose +  and sericeous +
lanceolate +  and spatulate +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
styliferous +, neuter +  and pistillate +
sterile +  and fertile +
bearing subulate enations +, hairy +  and bristly +
conic;usually flat;convex +
white;stramineous +
subulate +  and setiform +
exalbuminous +
Illustrated +  and Endemic +
1 +  and 5 +
glabrescent +  and floccose +
appendaged +  and truncate +
papillate +
Tetradymia inermis +
Tetradymia canescens +
Tetradymia +
species +
perennial +  and annual +