SEINet Portal Network - Xanthisma grindelioides var. grindelioides

Xanthisma grindelioides var. grindelioides (Nutt.) D.R. Morgan & R.L. Hartm. (redirected from: Machaeranthera grindelioides var. grindelioides (Nutt.) Shinners)
Family: Asteraceae rayless tansyaster [Machaeranthera grindelioides var. grindelioides (Nutt.) Shinners, more] Al Schneider	FNA Resources Ronald L. Hartman in Flora of North America (vol. 20) 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. Flowering spring-summer. Gypseous or sandy plains or badlands; 1000-2400 m; Alta., Sask.; Ariz., Colo., Idaho, Mont., Nebr., Nev., N.Mex., N.Dak., S.Dak., Utah, Wyo. Variety grindeloides is known to hybridize with Xanthisma coloradoense in southern Wyoming.
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