Picrothamnus desertorum

Nuttall

Trans. Amer. Philos. Soc., n. s. 7: 417. 1841.

IllustratedEndemic
Synonyms: Artemisia spinescens D. C. Eaton
Treatment appears in FNA Volume 19. Treatment on page 499.
Revision as of 19:44, 29 July 2020 by imported>Volume Importer
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Stems diffusely branched from bases, some laterals ending in spinelike tips. Leaf-blades or lobes orbiculate to linear, 1–5 (–20) × 1–5 (–20) mm. Phyllaries whitish green. Cypselae 1–1.5 mm. 2n = 18, 36.


Phenology: Flowering Apr–Jun.
Habitat: Arid slopes and valleys, sands or clays, sometimes saline soils
Elevation: 1800–2200 m

Distribution

V19-834-distribution-map.gif

Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Utah, Wyo.

Discussion

Budsage provides nutritious forage for wildlife and domestic sheep in winter; it can be poisonous or fatal to calves and lambs, if consumed in great quantity during spring months.

Selected References

None.

Lower Taxa

None.
... more about "Picrothamnus desertorum"
not tailed +  and obtuse +
scarious +
racemiform +  and spiciform +
indeterminate +  and determinate +
Leila M. Shultz +
Nuttall +
decurrent +
lobed;less orbiculate;flabellate +
zygomorphic +, actinomorphic +  and (3-)5-merous +
winged +  and monomorphic +
obovoid +  and ellipsoid +
fertile +  and bisexual +
Ariz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, Utah +  and Wyo. +
1800–2200 m +
gland-dotted +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Arid slopes and valleys, sands or clays, sometimes saline soils +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
orbiculate;linear +
sessile +  and petiolate +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
orbiculate +  and linear +
0.1 cm1 mm <br />0.001 m <br /> (?) +  and 0.5 cm5 mm <br />0.005 m <br /> (?) +
entire +  and dentate +
2-carpellate +
persistent +
Flowering Apr–Jun. +
Trans. Amer. Philos. Soc., n. s. +
styliferous +, neuter +  and pistillate +
sterile +  and fertile +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
Illustrated +  and Endemic +
villous +  and arachnose +
1 +  and 10 +
appendaged +  and truncate +
papillate +
Artemisia spinescens +
Picrothamnus desertorum +
Picrothamnus +
species +
campanulate +
spinelike +
cylindric +
perennial +, biennial +  and annual +
30 cm300 mm <br />0.3 m <br /> (50 cm500 mm <br />0.5 m <br />) +
shrub +  and subshrub +