Difference between revisions of "Xanthisma spinulosum var. spinulosum"

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Synonyms: Haplopappus spinulosus subsp. cotula (Small) H. M. Hall Haplopappus texensis R. C. Jackson Machaeranthera texensis (R. C. Jackson) Shinners Sideranthus turbinellus Rydberg
Treatment appears in FNA Volume 20. Mentioned on page 391, 392.
FNA>Volume Importer
FNA>Volume Importer
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Revision as of 18:45, 24 September 2019

Perennials, 10–40 cm, rarely woody at base. Stems spreading to sprawling, rarely stiffly erect, usually much branched in proximal 1/2–2/3; mid internodes 2–5 mm. Leaves numerous, equally spaced, mostly spreading to loosely ascending, not much reduced distally, margins pinnatifid or 2-pinnatifid, lobes linear to lanceolate, mostly 2–5 mm, faces usually hairy, rarely glabrous, usually stipitate-glandular. Heads 2–10+ in diffuse arrays. Peduncles relatively terminal and lateral, 0.5–2 cm. Involucres 8–12 mm wide. 2n = 8, 16.


Phenology: Flowering spring–fall.
Habitat: Rocky to sandy plains and rolling hills, washes, roadsides
Elevation: 300–1300 m

Distribution

V20-890-distribution-map.gif

Alta., Man., Sask., Ariz., Colo., Idaho, Iowa, Kans., Minn., Mont., Nebr., N.Mex., N.Dak., Okla., Utah, Wyo., Mexico (Coahuila, Nuevo León, San Luis Potosí, Tamaulipas, Zacatecas).

Discussion

Selected References

None.

Lower Taxa

None.
Ronald L. Hartman +
(Pursh) D. R. Morgan & R. L. Hartman +
Amellus spinulosus +
Alta. +, Man. +, Sask. +, Ariz. +, Colo. +, Idaho +, Iowa +, Kans. +, Minn. +, Mont. +, Nebr. +, N.Mex. +, N.Dak. +, Okla. +, Utah +, Wyo. +, Mexico (Coahuila +, Nuevo León +, San Luis Potosí +, Tamaulipas +  and Zacatecas). +
300–1300 m +
Rocky to sandy plains and rolling hills, washes, roadsides +
Flowering spring–fall. +
Haplopappus spinulosus subsp. cotula +, Haplopappus texensis +, Machaeranthera texensis +  and Sideranthus turbinellus +
Xanthisma spinulosum var. spinulosum +
Xanthisma spinulosum +
variety +