Chrysothamnus viscidiflorus subsp. lanceolatus

(Nuttall) H. M. Hall & Clements

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

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.
Revision as of 18:43, 24 September 2019 by FNA>Volume Importer

Plants 20–50 cm. Stems greenish, hirtellous to puberulent. Leaf blades (ascending to spreading, lowermost sometimes deflexed) bright green (especially adaxially), 3- 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.
Lowell E. Urbatsch +, Roland P. Roberts +  and Kurt M. Neubig +
(Nuttall) H. M. Hall & Clements +
Chrysothamnus lanceolatus +
B.C. +, Ariz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, S.Dak. +, Utah +, Wash. +  and Wyo. +
1200–2500 m +
Juniper/sagebrush savannas +
Flowering summer–fall. +
Publ. Carnegie Inst. Wash +
Chrysothamnus viscidiflorus subsp. elegans +  and Chrysothamnus viscidiflorus var. lanceolatus +
Chrysothamnus viscidiflorus subsp. lanceolatus +
Chrysothamnus viscidiflorus +
subspecies +