Difference between revisions of "Argemone arizonica"

G. B. Ownbey

Mem. Torrey Bot. Club 21: 91. 1958.

Conservation concernEndemicIllustrated
Treatment appears in FNA Volume 3.
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|publication year=1958
 
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|special status=Conservation concern;Endemic;Illustrated
 
|special status=Conservation concern;Endemic;Illustrated
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_1017.xml
 
|genus=Argemone
 
|genus=Argemone
 
|species=Argemone arizonica
 
|species=Argemone arizonica

Latest revision as of 21:45, 5 November 2020

Plants perennial. Stems 5-8 dm, diffusely branched, often decumbent, copiously long-prickly. Leaf blades: surfaces sparingly long-prickly on veins; basal and proximal lobed nearly to midrib, lobe length often to 5 times width; distal not clasping. Inflorescences: buds ellipsoid-oblong, body 15-18 × 12-15 mm, prickly; sepal horns slender, terete, 12-15 mm, prickly at base. Flowers 7-10 cm broad; petals white; stamens 100 or more; filaments pale yellow; pistil 3-carpellate. Capsules narrowly ellipsoid-oblong, 35-45 × 10-14 mm (including stigma and excluding prickles), closely prickly, longest prickles 8-10 mm. Seeds ca. 2 mm.


Phenology: Flowering spring; fruiting summer.
Habitat: Precipitous slopes
Elevation: 1000-2000 m

Discussion

Of conservation concern.

Argemone arizonica grows well in Grand Canyon National Park, especially along the Kaibab and Bright Angel trails.

Selected References

None.

Lower Taxa

None.