View source for Grusonia emoryi

{{Treatment/ID
|accepted_name=Grusonia emoryi
|accepted_authority=(Engelmann) Pinkava
|publications={{Treatment/Publication
|title=J. Arizona-Nevada Acad. Sci.
|place=32: 50. 1999
|year=1999
}}
|common_names=Devil club-cholla
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}
|basionyms={{Treatment/ID/Basionym
|name=Opuntia emoryi
|authority=Engelmann
|rank=species
|publication_title=Proc. Amer. Acad. Arts
|publication_place=3: 303. 1856
}}
|synonyms={{Treatment/ID/Synonym
|name=Corynopuntia stanlyi
|authority=(Engelmann ex B. D. Jackson) F. M. Knuth
|rank=species
}} {{Treatment/ID/Synonym
|name=Grusonia stanlyi
|authority=(Engelmann ex B. D. Jackson) H. Robinson
|rank=species
}} {{Treatment/ID/Synonym
|name=Opuntia stanlyi
|authority=Engelmann ex B. D. Jackson
|rank=species
}}
|hierarchy=Cactaceae;Cactaceae subfam. Opuntioideae;Grusonia;Grusonia emoryi
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cactaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Cactaceae subfam. Opuntioideae]]</div><div class="higher-taxon"><small>genus</small>[[Grusonia]]</div><div class="higher-taxon"><small>species</small>[[Grusonia emoryi]]</div></div>
|volume=Volume 4
|mention_page=page 119
|treatment_page=page 120
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs,</b> forming mats, 15–30 cm. <b>Roots</b> diffuse. <b>Stem</b> segments curved-clavate, gradually to abruptly narrowed at base, 7–19 × 2.5–5 cm; tubercles very prominent, 20–50 mm, 1–3.5 times longer than wide, not or little obscured by spines; areoles 4–6 mm in diam.; wool white to gray. <b>Spines</b> 12–30 per areole, mostly in apical areoles to ± uniformly distributed along stems (in northern populations), spreading, yellow, tan, or red-brown, tipped yellow, longest 3–7 cm; major 3–5 abaxial spines divergent, yellowish or red-brown, angular-flattened, sharp-edged; major (1–)3–5 adaxial spines ascending-divergent, tan or red-brown, angular-flattened to subterete. <b>Glochids</b> adaxial in areole, yellow to brown, 5–7 mm. <b>Flowers</b>: inner tepals yellow, 20–30 mm; filaments yellow to reddish; style cream; stigma lobes cream or tinged pink. <b>Fruits</b> yellow, cylindric to ellipsoid, 40–90 × 14–40 mm, fleshy, spineless (rarely with few very short spines) but usually densely yellow glochidiate; areoles 30–45. <b>Seeds</b> yellowish white to yellow, 5–6 × 3.5–4 mm, smooth. <b>2n</b> = 44.</span><!--

-->{{Treatment/Body
|phenology=Flowering late spring (May–Jun).
|habitat=Chihuahuan and Sonoran deserts, sandy or gravelly desert flats, washes, hills
|elevation=700-1200 m
|distribution=Ariz.;N.Mex.;Tex.;Mexico (Chihuahua).
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Grusonia emoryi
|authority=(Engelmann) Pinkava
|rank=species
|parent rank=genus
|synonyms=Corynopuntia stanlyi;Grusonia stanlyi;Opuntia stanlyi
|basionyms=Opuntia emoryi
|family=Cactaceae
|phenology=Flowering late spring (May–Jun).
|habitat=Chihuahuan and Sonoran deserts, sandy or gravelly desert flats, washes, hills
|elevation=700-1200 m
|distribution=Ariz.;N.Mex.;Tex.;Mexico (Chihuahua).
|reference=None
|publication title=J. Arizona-Nevada Acad. Sci.
|publication year=1999
|special status=Illustrated
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V4/V4_232.xml
|subfamily=Cactaceae subfam. Opuntioideae
|genus=Grusonia
|species=Grusonia emoryi
}}<!--

-->[[Category:Treatment]][[Category:Grusonia]]