View source for Echinomastus mariposensis

{{Treatment/ID
|accepted_name=Echinomastus mariposensis
|accepted_authority=Hester
|publications={{Treatment/Publication
|title=Desert Pl. Life
|place=17: 59, fig. s.n. (p. 60). 1945
|year=1945
}}
|common_names=Mariposa cactus
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Neolloydia mariposensis
|authority=(Hester) L. D. Benson
}} {{Treatment/ID/Synonym
|name=Sclerocactus mariposensis
|authority=(Hester) N. P. Taylor
}}
|hierarchy=Cactaceae;Cactaceae subfam. Cactoideae;Echinomastus;Echinomastus mariposensis
|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 mariposensis]]</div></div>
|volume=Volume 4
|mention_page=page 193, 196
|treatment_page=page 195
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>3–10 × 3–6 cm; ribs usually 21 (or stems strictly tuberculate); areoles 6–12 mm apart along ribs; areolar glands absent. <b>Spines</b> 23–30 per areole, pale tan to grayish white, largest spines often tipped “chalky” or “dusty” blue-gray and brown; radial spines 19–26 per areole; abaxial (shortest) radial spine 3–7 × 0.1–0.25 mm; adaxial and lateral (longest) radial spines 5–11(–15) mm; central spines 4(–6) per areole, 12–21 × 0.2–0.6 mm; longest adaxial central spines erect or ascending, often slightly curved toward stem apex, abaxial central spine 5–8(–15) mm, descending or porrect and often decurved. <b>Flowers</b> 2.2–2.3 × 1.9–4 cm; inner tepals white with complete or partial midstripes of either dull pink or pale yellowish tan to pale green, 1–2 cm × 1.5–4 mm; stigma lobes green or yellow-green. <b>Fruits</b> indehiscent or disintegrating irregularly, short oblong or spheric, 10 × 8 mm. <b>2n</b> = 22.</span><!--

-->{{Treatment/Body
|phenology=Flowering Feb–Mar; fruiting Apr.
|habitat=Chihuahuan desert scrub and margin of Tamaulipan thorn scrub, rocky sites, barren hilltops, limestone
|elevation=500-1300 m
|distribution=Tex.;Mexico (Coahuila).
|discussion=<p>Of conservation concern.</p><!--
--><p><i>Echinomastus mariposensis</i> prefers rockier sites than other species of <i>Echinomastus</i> in the Chihuahuan Desert. It usually inhabits limestone and is abruptly replaced by <i>E. warnockii</i> on gypsum and other substrates. Immature plants have only two central spines, one above the other, both 3 mm, resembling immature <i>Coryphantha tuberculosa</i> except for subtleties of color, thickness, and orientation of the spines.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Echinomastus mariposensis
|author=
|authority=Hester
|rank=species
|parent rank=genus
|synonyms=Neolloydia mariposensis;Sclerocactus mariposensis
|basionyms=
|family=Cactaceae
|phenology=Flowering Feb–Mar; fruiting Apr.
|habitat=Chihuahuan desert scrub and margin of Tamaulipan thorn scrub, rocky sites, barren hilltops, limestone
|elevation=500-1300 m
|distribution=Tex.;Mexico (Coahuila).
|reference=None
|publication title=Desert Pl. Life
|publication year=1945
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V4/V4_366.xml
|subfamily=Cactaceae subfam. Cactoideae
|genus=Echinomastus
|species=Echinomastus mariposensis
}}<!--

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