View source for Grusonia grahamii

{{Treatment/ID
|accepted_name=Grusonia grahamii
|accepted_authority=(Engelmann) H. Robinson
|publications={{Treatment/Publication
|title=Phytologia
|place=26: 176. 1973
|year=1973
}}
|common_names=Graham’s club-cholla
|basionyms={{Treatment/ID/Basionym
|name=Opuntia grahamii
|authority=Engelmann
|publication_title=Proc. Amer. Acad. Arts
|publication_place=3: 304. 1856 (as grahami)
}}
|synonyms={{Treatment/ID/Synonym
|name=Corynopuntia grahamii
|authority=(Engelmann) F. M. Knuth
}} {{Treatment/ID/Synonym
|name=Opuntia schottii var. grahamii
|authority=(Engel mann) L. D. Benson
}}
|hierarchy=Cactaceae;Cactaceae subfam. Opuntioideae;Grusonia;Grusonia grahamii
|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 grahamii]]</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, 8–20 cm. <b>Roots</b> tuberlike, 9 × 2 cm. <b>Stem</b> segments cylindric, curved and narrowed at base, 3–7 × 1.5–3.5 cm; tubercles narrow, 10–15 mm; areoles 3 mm in diam.; wool white to yellowish. <b>Spines</b> (6–)8–15 per areole, mostly in distal areoles, white, yellow, tan, or red-brown, longest 3–5.5 cm; major 2–3 abaxial spines erect and red-brown, marginal spines deflexed and whitened, angular-flattened to subterete; longest central abaxial spine usually brownish, with whitish wavy lines, usually straight; major 2–5 adaxial spines divergent, ascending, rich red-brown, ± terete. <b>Glochids</b> increasing in number toward base of stem segments, adaxial in areole, white to yellow, to 6 mm. <b>Flowers</b>: inner tepals bright yellow, 20–25 mm; filaments yellow-green; style and stigma lobes cream. <b>Fruits</b> yellowish, cylindric to ellipsoid, 20–35 × 12–20 mm, fleshy, spineless, yellow glochidiate; areoles 35–45. <b>Seeds</b> yellow, 4–5 × 3–4 mm, smooth (or with 1–2 broad bumps per side). <b>2n</b> = 44.</span><!--

-->{{Treatment/Body
|phenology=Flowering late spring (May–Jun).
|habitat=Chihuahuan Desert, sandy, gravelly bajadas and flats
|elevation=700-1500 m
|distribution=N.Mex.;Tex.;Mexico (Chihuahua;Durango).
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Grusonia grahamii
|author=
|authority=(Engelmann) H. Robinson
|rank=species
|parent rank=genus
|synonyms=Corynopuntia grahamii;Opuntia schottii var. grahamii
|basionyms=Opuntia grahamii
|family=Cactaceae
|phenology=Flowering late spring (May–Jun).
|habitat=Chihuahuan Desert, sandy, gravelly bajadas and flats
|elevation=700-1500 m
|distribution=N.Mex.;Tex.;Mexico (Chihuahua;Durango).
|reference=None
|publication title=Phytologia
|publication year=1973
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V4/V4_231.xml
|subfamily=Cactaceae subfam. Opuntioideae
|genus=Grusonia
|species=Grusonia grahamii
}}<!--

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