Chrysothamnus viscidiflorus subsp. lanceolatus

(Nuttall) H. M. Hall & Clements

Publ. Carnegie Inst. Wash 326: 181. 1923.

Endemic
Basionym: Chrysothamnus lanceolatus Nuttall Trans. Amer. Philos. Soc., n. s. 7: 324. 1840
Synonyms: Chrysothamnus viscidiflorus subsp. elegans (Greene) H. M. Hall & Clements Chrysothamnus viscidiflorus var. lanceolatus (Nuttall) Greene
Treatment appears in FNA Volume 20. Treatment on page 192. Mentioned on page 191.

Plants 20–50 cm. Stems greenish, hirtellous to puberulent. Leaf-blades (ascending to spreading, lowermost sometimes deflexed) bright green (especially adaxially), 3-nerved or 5-nerved, linear to lanceolate, 15–45 × 2–6 mm, usually not twisted or with a single twist, margins flat to ± undulate, eciliate or ciliolate, apices abruptly acute, abaxial faces usually hirsute to hirtellous, rarely glabrous, adaxial usually glabrous. Heads in small, compact, cymiform arrays. Involucres turbinate, 5–6.5 mm. Phyllaries 14–18 in 3–4 series, in spirals or vertical ranks, green subapical patches often lacking, midnerves evident distally or throughout, convex or ± keeled, oblong, unequal, margins scarious, eciliate or ciliolate, apices often rounded, apiculate, faces puberulent. Disc-florets 5; corollas 5.5–6 mm, lobes 1–1.5 mm. 2n = 18, 36.


Phenology: Flowering summer–fall.
Habitat: Juniper/sagebrush savannas
Elevation: 1200–2500 m

Distribution

V20-420-distribution-map.gif

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

Discussion

Subspecies lanceolatus is known in South Dakota only from Pennington County.

Selected References

None.

Lower Taxa

None.
glabrous +, usually hirsute +  and hirtellous +
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
rounded +
Lowell E. Urbatsch +, Roland P. Roberts +  and Kurt M. Neubig +
(Nuttall) H. M. Hall & Clements +
gray +  and whitish tan +
decurrent +
Chrysothamnus lanceolatus +
twisted +  and sulcate +
1 cm10 mm <br />0.01 m <br /> (7.5 cm75 mm <br />0.075 m <br />) +
linear;lanceolate +
0.5mm;10mm +
rugulose +  and muricate +
barbellulate +  and barbellate +
not 2-lipped +  and actinomorphic +
0.55 cm5.5 mm <br />0.0055 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
tan +  and reddish-brown +
5-angled +  and turbinate +
fertile +  and bisexual +
B.C. +, Ariz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, S.Dak. +, Utah +, Wash. +  and Wyo. +
1200–2500 m +
resinous +
gland-dotted +
puberulent +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Juniper/sagebrush savannas +
in condensed cymiform clusters +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
with a single twist +, twisted +, 5-nerved +  and 3-nerved +
1.5 cm15 mm <br />0.015 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
erect;spreading +
triangular +  and lanceolate +
ciliolate +  and eciliate +
flat +  and more or less undulate +
1mm +  and 5mm +
oblong +, keeled +  and convex +
0.5mm +  and 1.2mm +
2-carpellate +
persistent +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Flowering summer–fall. +
green +  and brown +
lanceolate +  and ovate or obovate +
Publ. Carnegie Inst. Wash +
styliferous +, neuter +  and pistillate +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
resinous +
appendaged +  and truncate +
papillate +  and smooth +
Chrysothamnus viscidiflorus subsp. elegans +  and Chrysothamnus viscidiflorus var. lanceolatus +
Chrysothamnus viscidiflorus subsp. lanceolatus +
Chrysothamnus viscidiflorus +
subspecies +
campanulate +
perennial +, biennial +  and annual +