View source for Mammillaria lasiacantha

{{Treatment/ID
|accepted_name=Mammillaria lasiacantha
|accepted_authority=Engelmann
|publications={{Treatment/Publication
|title=Proc. Amer. Acad. Arts
|place=3: 261. 1856
|year=1856
}}
|common_names=Golf ball cactus;lacespine nipple cactus
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Mammillaria lasiacantha var. denudata
|authority=Engelmann
|rank=variety
}}
|hierarchy=Cactaceae;Cactaceae subfam. Cactoideae;Mammillaria;Mammillaria lasiacantha
|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>[[Mammillaria]]</div><div class="higher-taxon"><small>species</small>[[Mammillaria lasiacantha]]</div></div>
|volume=Volume 4
|mention_page=page 252
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>unbranched, usually deep-seated in substrate and inconspicuous. <b>Roots</b> diffuse, upper portion not enlarged. <b>Stems</b> depressed-spheric to short cylindric, (1–)2–3.5 × (1.4–)2–4(–7) cm, firm; tubercles 3–6(–8) × 2–3 mm; axils without evident hairs; cortex and pith not mucilaginous; latex clear or slightly milky, sporadic, only in outer cortex. <b>Spines</b> (26–)40–60(–90) per areole, in several series but all equally thin, mostly appressed, white or very pale pink, often minutely tipped pinkish brown, innocuous, bristlelike, 0.6–5(–6) × 0.05–0.1 mm, glabrous to plumose, all interpreted as radial, innermost spines shortest; central spines 0. <b>Flowers</b> 0.9–1.5(–2) × 0.8–1.3(–1.8) cm; outermost tepal margins entire (or minutely and irregularly lacerate); inner tepals white or cream, usually with sharply defined midstripes of green, yellow, tan, pink, pale purple, or reddish, 4.5–8 × 1.5–2.7 mm; stigma lobes yellow or pale yellow-green to green, 0.3–1 mm. <b>Fruits</b> scarlet, cylindric or clavate, 10–20(–25) × (3–)4–8(–11) mm, juicy mostly in fruit walls; floral remnant persistent. <b>Seeds</b> black, 1–1.2[–1.4] × 0.8[–1.1] × 0.8 mm, pitted; testa hard; interstices equaling pit diameters; pits bowl-shaped. <b>2n</b> = 22.</span><!--

-->{{Treatment/Body
|phenology=Flowering [Jan-]Feb–Mar; fruiting Jun–Aug.
|habitat=Chihuahuan desert scrub with Agave lechuguilla, rocky hills, gravelly slopes, usually on limestone
|elevation=500-1800(-2100) m
|distribution=N.Mex.;Tex.;Mexico (Chihuahua;Coahuila;Durango;Nuevo León;San Luis Potosí;Sonora;Zacatecas).
|discussion=<p>Adults of <i>Mammillaria lasiacantha</i> usually have glabrous spines, but in some populations all plants may retain plumose spines at maturity. <i>Epithelantha</i> species and immature plants of <i>Coryphantha vivipara</i> <i></i>var.<i> neomexicana</i> often are misidentified as adults of <i>M. lasiacantha</i>, especially from El Paso, Texas, westward (where <i>M. lasiacantha</i> is rare). <i>Mammillaria lasiacantha</i> is remarkable for its disjunction to one site in Sonora, Mexico, far to the west of its usual range.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Mammillaria lasiacantha
|authority=Engelmann
|rank=species
|parent rank=genus
|synonyms=Mammillaria lasiacantha var. denudata
|basionyms=
|family=Cactaceae
|phenology=Flowering [Jan-]Feb–Mar; fruiting Jun–Aug.
|habitat=Chihuahuan desert scrub with Agave lechuguilla, rocky hills, gravelly slopes, usually on limestone
|elevation=500-1800(-2100) m
|distribution=N.Mex.;Tex.;Mexico (Chihuahua;Coahuila;Durango;Nuevo León;San Luis Potosí;Sonora;Zacatecas).
|reference=None
|publication title=Proc. Amer. Acad. Arts
|publication year=1856
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V4/V4_466.xml
|subfamily=Cactaceae subfam. Cactoideae
|genus=Mammillaria
|species=Mammillaria lasiacantha
}}<!--

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