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Naturalized flora of The Morton Arboretum
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Eriogonum arcuatum var. rupicola
(redirected from:
Eriogonum jamesii var. rupicola
Reveal)
Family:
Polygonaceae
[
Eriogonum jamesii var. rupicola
Reveal]
Walter Fertig
FNA
Resources
James L. Reveal in Flora of North America (vol. 5)
Plants
spreading, compact mats, 2-6(-8) dm wide.
Aerial flowering stems
0.3-1 dm.
Leaf blades
elliptic, 0.5-1.2 × 0.5-0.8 cm.
Inflorescences
capitate, rarely umbellate; bracts 0.3-1 × 0.3-0.5 cm.
Involucres
3-5 × 3-4 mm.
Flowers
4-5(-6) mm.
Flowering Jun-Oct. Sandstone outcrops, ledges, and cliffs, blackbrush and sagebrush communities, oak and pinyon-juniper woodlands; 1600-1900 m; Utah.
Variety
rupicola
is restricted to Zion National Park in Kane and Washington counties. It is marginally distinct from var.
arcuatum.
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