Difference between revisions of "Grayia spinosa"
in A. P. de Candolle and A. L. P. P. de Candolle., Prodr. 13(2): 119. 1849.
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|publication title=in A. P. de Candolle and A. L. P. P. de Candolle., Prodr. | |publication title=in A. P. de Candolle and A. L. P. P. de Candolle., Prodr. | ||
|publication year=1849 | |publication year=1849 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V4/V4_589.xml |
|genus=Grayia | |genus=Grayia | ||
|species=Grayia spinosa | |species=Grayia spinosa | ||
Revision as of 23:17, 27 May 2020
Plants dioecious (rarely monoecious). Stems 3–10(–15) dm, becoming reddish brown with whitish ribs exfoliating in strips, older bark dark gray. Leaves of main stems 1–2.5(–4.2) cm × 1.5–6(–10) mm; blade green, apex often whitish. Staminate flowers: perianth segments ± enclosing stamens, 1.5–2 mm; filaments shorter than anthers. Pistillate flowers: stigma protruding through opening in covering formed by accrescent bracts. Fruiting bracts wholly connate, sessile, orbicular to broadly elliptic, 7.5–14 × 6–12 mm, base often abruptly cuneate and stipelike, margins entire, apex retuse, glabrous; wing somewhat thickened near margin, yellowish green, whitish, or pink to red-tinged, smooth, glabrous. Utricles brown, 1.5–2 mm. 2n = 36.
Phenology: Flowering spring–summer.
Habitat: Valleys, foothills, dry, alkaline or scarcely alkaline soils, sagebrush, shadscale, and creosote bush communities
Elevation: 500-2400 m
Distribution
Ariz., Calif., Colo., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.
Discussion
Grayia spinosa is rarely a codominant. Its fruits are still present through July.
Selected References
None.