Difference between revisions of "Echinocactus polycephalus var. xeranthemoides"

J. M. Coulter

Contr. U.S. Natl. Herb. 3: 358. 1896.

Endemic
Synonyms: Echinocactus polycephalus subsp. xeranthemoides (J. M. Coulter) N. P. Taylor
Treatment appears in FNA Volume 4. Treatment on page 190.
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|publication year=1896
 
|publication year=1896
 
|special status=Endemic
 
|special status=Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V4/V4_357.xml
+
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_357.xml
 
|subfamily=Cactaceae subfam. Cactoideae
 
|subfamily=Cactaceae subfam. Cactoideae
 
|genus=Echinocactus
 
|genus=Echinocactus

Latest revision as of 21:58, 5 November 2020

Stems gray-green to yellow-green. Spines red to straw colored, canescent, puberulent, or glabrous. Fruit scales tan, yellow, or reddish, aging yellow, 16–30 mm, usually longer than dried tepals at fruit apex. Seeds rounded (rarely faceted), 2.4–3.1 mm, smooth (exposed surfaces of testa cells flat or slightly convex, uniformly shiny). 2n = 22.


Phenology: Flowering Jun–Aug.
Habitat: Rocky hills, slopes, and ledges of canyons, Great Basin and Mojave desert scrub, igneous and calcareous substrates
Elevation: 500-1700 m

Discussion

Selected References

None.

Lower Taxa

None.
Allan D. Zimmerman +  and Bruce D. Parfitt +
J. M. Coulter +
Ariz. +  and Nev. +
500-1700 m +
Rocky hills, slopes, and ledges of canyons, Great Basin and Mojave desert scrub, igneous and calcareous substrates +
Flowering Jun–Aug. +
Contr. U.S. Natl. Herb. +
Echinocactus polycephalus subsp. xeranthemoides +
Echinocactus polycephalus var. xeranthemoides +
Echinocactus polycephalus +
variety +