Eremogone eastwoodiae var. adenophora

(Kearney & Peebles) R. L. Hartman & Rabeler

Sida 21: 240. 2004.

Basionym: Arenaria eastwoodiae var. adenophora Kearney & Peebles
Treatment appears in FNA Volume 5. Treatment on page 64.
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Stems stipitate-glandular. Pedicels stipitate-glandular.


Phenology: Flowering late spring–late summer.
Habitat: Dry, stony or sandy hills, mesas, and deserts
Elevation: 1200-2100 m

Distribution

V5 132-distribution-map.gif

Ariz., Colo., N.Mex., Utah.

Discussion

Variety adenophora is largely restricted to western Colorado, northeastern Arizona, and northwestern New Mexico. The apparent allopatric distributions of the two varieties provide support for the recognition of var. adenophora. This is further justified in that the glandular variety abuts the range of the Rocky Mountain Eremogone fendleri. It is assumed that the presence of glandular stems in each of these taxa is of independent origin.

Plants of var. adenophora may be more likely than those of var. eastwoodiae to exhibit pink petals, and they often look smaller, with fewer flowers in a less-open inflorescence. Occasional specimens that we have examined suggest that this taxon may be polyphyletic.

Selected References

None.

Lower Taxa

None.
Ronald L. Hartman +, Richard K. Rabeler +  and Frederick H. Utech +
(Kearney & Peebles) R. L. Hartman & Rabeler +
Arenaria eastwoodiae var. adenophora +
Ariz. +, Colo. +, N.Mex. +  and Utah. +
1200-2100 m +
Dry, stony or sandy hills, mesas, and deserts +
Flowering late spring–late summer. +
Arenaria fendleri var. eastwoodiae +
Eremogone eastwoodiae var. adenophora +
Eremogone eastwoodiae +
variety +