View source for Coryphantha nickelsiae

{{Treatment/ID
|accepted_name=Coryphantha nickelsiae
|accepted_authority=(K. Brandegee) Britton & Rose
|publications={{Treatment/Publication
|title=Cact.
|place=4: 35. 1923
|year=1923
}}
|common_names=Nickels’s pincushion cactus
|special_status={{Treatment/ID/Special_status
|code=C
|label=Conservation concern
}}
|basionyms={{Treatment/ID/Basionym
|name=Mammillaria nickelsiae
|authority=K. Brandegee
|rank=species
|publication_title=Zoë
|publication_place=5: 31. 1900 (as Mamillaria nickelsa e)
}}
|synonyms={{Treatment/ID/Synonym
|name=Coryphantha calochlora
|authority=Boedeker
|rank=species
}} {{Treatment/ID/Synonym
|name=Coryphantha laui
|authority=Bremer
|rank=species
}} {{Treatment/ID/Synonym
|name=Coryphantha neglecta
|authority=Bremer
|rank=species
}} {{Treatment/ID/Synonym
|name=Coryphantha sulcata var. nickelsiae
|authority=(K. Brandegee) L. D. Benson
|rank=variety
}}
|hierarchy=Cactaceae;Cactaceae subfam. Cactoideae;Coryphantha;Coryphantha nickelsiae
|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>[[Coryphantha]]</div><div class="higher-taxon"><small>species</small>[[Coryphantha nickelsiae]]</div></div>
|volume=Volume 4
|mention_page=page 224
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>unbranched (western) to freely branched and ± forming mats (eastern), tuberculate with numerous, fine spines. <b>Roots</b> diffuse or short taproots; branches root adventitiously. <b>Stems</b> deep-seated, aerial portion hemispheric or ± flat-topped, less than 11 × (4–)5.2–7 cm; tubercles 7–10(–13?) × 10 mm, firm; areolar glands seasonally conspicuous; parenchyma not mucilaginous; pith 1/2 of lesser stem diam.; medullary vascular system conspicuous. <b>Spines</b> 13–21 per areole; uppermost radial spines white, contrasting with others, at least on old plants, sometimes forming conspicuous white tufts, others white to tan or dark brown; radial spines 13–20 per areole, 13–23 × 0.15–0.17 mm; central spines 0–1 per areole, porrect, straight or slightly curved downward, longest spines 11–16 mm. <b>Flowers</b> apical or nearly so, 45–50 mm diam.; outer tepals entire; inner tepals ca. 30 per flower, pale yellow, ca. 30 mm; outer filaments white or pale yellow; anthers orange-yellow; stigma lobes 5–8, white or cream, (2.5–)5–8 mm. <b>Fruits</b> gray-green or bright green (paler proximally), obovoid, spheric, or ellipsoid, 18–23 × 8–10 mm; floral remnant strongly persistent. <b>Seeds</b> orange, drying to reddish brown, spheric to comma-shaped, 1.1–1.7 mm, finely and weakly raised-reticulate.</span><!--

-->{{Treatment/Body
|phenology=Flowering summer (Aug–Sep).
|habitat=Tamaulipan thorn scrub, eastern edge of Chihuahuan Desert, limestone outcrops, nearby alluvium
|elevation=100-150 m
|distribution=Tex.;Mexico (Coahuila;Nuevo León;Tamaulipas).
|discussion=<p>Of conservation concern.</p><!--
--><p><i>Coryphantha nickelsiae</i> in the flora is based on old herbarium specimens labeled only as from “Laredo, Texas.” <i>Coryphantha nickelsiae</i> belongs to the same species group as <i>C. ramillosa</i>. <i>Coryphantha sulcata</i>, with which L. D. Benson (1969b, 1969c, 1982) inexplicably united <i>C. nickelsiae</i>, is not closely related.</p><!--
--><p><i>Coryphantha nickelsiae</i> often has ribbonlike uppermost radial spines.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Coryphantha nickelsiae
|authority=(K. Brandegee) Britton & Rose
|rank=species
|parent rank=genus
|synonyms=Coryphantha calochlora;Coryphantha laui;Coryphantha neglecta;Coryphantha sulcata var. nickelsiae
|basionyms=Mammillaria nickelsiae
|family=Cactaceae
|phenology=Flowering summer (Aug–Sep).
|habitat=Tamaulipan thorn scrub, eastern edge of Chihuahuan Desert, limestone outcrops, nearby alluvium
|elevation=100-150 m
|distribution=Tex.;Mexico (Coahuila;Nuevo León;Tamaulipas).
|reference=None
|publication title=Cact.
|publication year=1923
|special status=Conservation concern
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V4/V4_413.xml
|subfamily=Cactaceae subfam. Cactoideae
|genus=Coryphantha
|species=Coryphantha nickelsiae
}}<!--

-->[[Category:Treatment]][[Category:Coryphantha]]