View source for Echinomastus erectocentrus var. acunensis

{{Treatment/ID
|accepted_name=Echinomastus erectocentrus var. acunensis
|accepted_authority=(W. T. Marshall) Bravo
|publications={{Treatment/Publication
|title=Cact. Suc. Mex.
|place=25: 65. 1980
|year=1980
}}
|basionyms={{Treatment/ID/Basionym
|name=Echinomastus acunensis
|authority=W. T. Marshall
|rank=species
|publication_title=Saguaroland Bull.
|publication_place=7: 33. 1953
}}
|synonyms={{Treatment/ID/Synonym
|name=Neolloydia erectocentra var. acunensis
|authority=(W. T. Marsha ll) L. D. Benson
|rank=variety
}}
|hierarchy=Cactaceae;Cactaceae subfam. Cactoideae;Echinomastus;Echinomastus erectocentrus;Echinomastus erectocentrus var. acunensis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cactaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Cactaceae subfam. Cactoideae]]</div><div class="higher-taxon"><small>genus</small>[[Echinomastus]]</div><div class="higher-taxon"><small>species</small>[[Echinomastus erectocentrus]]</div><div class="higher-taxon"><small>variety</small>[[Echinomastus erectocentrus var. acunensis]]</div></div>
|volume=Volume 4
|mention_page=page 194
|treatment_page=page 195
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="stem atypical length;stem length;stem width"><b>Stems </b>4–16.5 (–27) × 4–9 cm;</span> <span class="statement" id="st-d0_s1" data-properties="rib quantity">ribs 21;</span> <span class="statement" id="st-d0_s2" data-properties="areole some measurement;areole arrangement">areoles 15–19 mm apart along ribs.</span> <span class="statement" id="st-d0_s3" data-properties="spine quantity;spine coloration;spine coloration;tip coloration"><b>Spines </b>13–16 per areole, purplish-pink or nearly white with brown tips;</span> <span class="statement" id="st-d0_s4" data-properties="spine arrangement;spine quantity">radial spines 12–15 per areole;</span> <span class="statement" id="st-d0_s5" data-properties="spine arrangement;spine length;spine width">abaxial (shortest) radial spine 11–20 × 0.42–0.59 mm;</span> <span class="statement" id="st-d0_s6" data-properties="adaxial lateral spine arrangement;adaxial lateral spine some measurement">adaxial and lateral (longest) radial spines 22–37 mm;</span> <span class="statement" id="st-d0_s7" data-properties="central spine orientation;central spine atypical quantity;central spine atypical quantity;central spine quantity;central spine length;central spine width;longest adaxial central spine course">central spines ascending, (1–) 2–3 (–4) per areole, 19–44 × 0.6–0.8 mm, longest adaxial central spine curved toward apex of plant, sometimes slightly so;</span> <span class="statement" id="st-d0_s8" data-properties="abaxial spine some measurement;abaxial spine position;abaxial spine some measurement">abaxial or only central spine 25–35 mm.</span> <span class="statement" id="st-d0_s9" data-properties="flower length;flower width"><b>Flowers </b>3.6–6 × 4–9 cm;</span> <span class="statement" id="st-d0_s10" data-properties="inner tepal coloration;inner tepal coloration;inner tepal coloration;inner tepal coloration;inner tepal coloration;inner tepal atypical length;inner tepal length;inner tepal width">inner tepals pale to bright-rose-pink, proximally blotched orangish brown, chestnut, maroon, or greenish brown, (2–) 3–4.3 × 0.7–1.8 cm;</span> <span class="statement" id="st-d0_s11" data-properties="stigma lobe coloration">stigma lobes red to brownish red, papillae red to green.</span> <span class="statement" id="st-d0_s12" data-properties="papilla coloration;2n chromosome quantity">2n = 22.</span><!--

-->{{Treatment/Body
|phenology=Flowering Mar–Apr; fruiting Apr–May.
|habitat=Arizona Upland Subdivision of Sonoran desert scrub, low gravelly hills, bajadas, and rocky hilltops, igneous substrates
|elevation=400-800 m
|distribution=Ariz.;Mexico (Sonora)
|discussion=<p>Echinomastus erectocentrus var. acunensis is in the Center for Plant Conservation’s National Collection of Endangered Plants.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Echinomastus erectocentrus var. acunensis
|authority=(W. T. Marshall) Bravo
|rank=variety
|parent rank=species
|synonyms=Neolloydia erectocentra var. acunensis
|basionyms=Echinomastus acunensis
|family=Cactaceae
|phenology=Flowering Mar–Apr; fruiting Apr–May.
|habitat=Arizona Upland Subdivision of Sonoran desert scrub, low gravelly hills, bajadas, and rocky hilltops, igneous substrates
|elevation=400-800 m
|distribution=Ariz.;Mexico (Sonora)
|reference=None
|publication title=Cact. Suc. Mex.
|publication year=1980
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V4/V4_365.xml
|subfamily=Cactaceae subfam. Cactoideae
|genus=Echinomastus
|species=Echinomastus erectocentrus
|variety=Echinomastus erectocentrus var. acunensis
|2n chromosome quantity=22
|abaxial spine position=central
|abaxial spine some measurement=25mm;35mm
|adaxial lateral spine arrangement=radial
|adaxial lateral spine some measurement=22mm;37mm
|areole arrangement=apart
|areole some measurement=15mm;19mm
|central spine atypical quantity=3;4
|central spine length=19mm;44mm
|central spine orientation=ascending
|central spine quantity=2;3
|central spine width=0.6mm;0.8mm
|flower length=3.6cm;6cm
|flower width=4cm;9cm
|inner tepal atypical length=2cm;3cm
|inner tepal coloration=pale;bright-rose-pink proximally blotched orangish brown chestnut maroon or greenish brown
|inner tepal length=3cm;4.3cm
|inner tepal width=0.7cm;1.8cm
|longest adaxial central spine course=curved
|papilla coloration=red;green
|rib quantity=21
|spine arrangement=radial;radial
|spine coloration=white;purplish-pink
|spine length=11mm;20mm
|spine quantity=12;15
|spine width=0.42mm;0.59mm
|stem atypical length=16.5cm;27cm
|stem length=4cm;16.5cm
|stem width=4cm;9cm
|stigma lobe coloration=red;brownish red
|tip coloration=brown
}}<!--

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