Xanthisma grindelioides var. grindeloides

Treatment appears in FNA Volume 20. Treatment on page 388. Mentioned on page 387.

Plants tufted, 10–35 cm. Leaves evenly distributed along stems, margins usually ciliate, sometimes spinulose-dentate, bristles usually 0.5–1.5 mm. Heads 1 or often 2–5. Peduncles 0.5–2 cm, often bracteate to proximal to heads. 2n = 8.


Phenology: Flowering spring–summer.
Habitat: Gypseous or sandy plains or badlands
Elevation: 1000–2400 m

Distribution

V20-883-distribution-map.gif

Alta., Sask., Ariz., Colo., Idaho, Mont., Nebr., Nev., N.Mex., N.Dak., S.Dak., Utah, Wyo.

Discussion

Variety grindeloides is known to hybridize with Xanthisma coloradoense in southern Wyoming.

Selected References

None.

Lower Taxa

None.
Ronald L. Hartman +
(Nuttall) D. R. Morgan & R. L. Hartman +
Eriocarpum grindelioides +
Alta. +, Sask. +, Ariz. +, Colo. +, Idaho +, Mont. +, Nebr. +, Nev. +, N.Mex. +, N.Dak. +, S.Dak. +, Utah +  and Wyo. +
1000–2400 m +
Gypseous or sandy plains or badlands +
Flowering spring–summer. +
Haplopappus nuttallii +  and Machaeranthera grindelioides +
Xanthisma grindelioides var. grindeloides +
Xanthisma grindelioides +
variety +