Difference between revisions of "Grayia spinosa"

(Hooker) Moquin-Tandon

in A. P. de Candolle and A. L. P. P. de Candolle., Prodr. 13(2): 119. 1849.

IllustratedEndemic
Basionym: Chenopodium spinosum Hooker Fl. Bor.-Amer. 2: 127. 1838
Synonyms: Atriplex grayi Collotzi ex W. A. Weber
Treatment appears in FNA Volume 4. Treatment on page 307. Mentioned on page 304.
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|accepted_authority=(Hooker) Moquin-Tandon
 
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name=Grayia spinosa
 
name=Grayia spinosa
|authority=(Hooker) Moquin-Tandon in A. P. de Candolle and A. L. P. P. de Candolle.
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|genus=Grayia
 
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|species=Grayia spinosa

Latest revision as of 21:59, 5 November 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

V4 589-distribution-map.gif

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.

Lower Taxa

None.
... more about "Grayia spinosa"
Noel H. Holmgren +
(Hooker) Moquin-Tandon +
Chenopodium spinosum +
Ariz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, Oreg. +, Utah +, Wash. +  and Wyo. +
500-2400 m +
Valleys, foothills, dry, alkaline or scarcely alkaline soils, sagebrush, shadscale, and creosote bush communities +
Flowering spring–summer. +
in A. P. de Candolle and A. L. P. P. de Candolle., Prodr. +
Illustrated +  and Endemic +
Atriplex grayi +
Grayia spinosa +
species +