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| − | --><span class="statement" id="st-d0_s0" data-properties="plant architecture;plant architecture;plant architecture;plant relief;spine count;spine width"><b>Plants </b>unbranched (western) to freely branched and ± forming mats (eastern), tuberculate with numerous, fine spines.</span> <span class="statement" id="st-d0_s1" data-properties="root density;taproot height or length or size"><b>Roots </b>diffuse or short taproots;</span> <span class="statement" id="st-d0_s2" data-properties="">branches root adventitiously.</span> <span class="statement" id="st-d0_s3" data-properties="stem location;portion location;portion shape;portion shape;portion length;portion atypical width;portion width"><b>Stems </b>deep-seated, aerial portion hemispheric or ± flat-topped, less than 11 × (4–) 5.2–7 cm;</span> <span class="statement" id="st-d0_s4" data-properties="tubercle length;tubercle width;tubercle texture">tubercles 7–10 (–13?) × 10 mm, firm;</span> <span class="statement" id="st-d0_s5" data-properties="areolar gland prominence">areolar glands seasonally conspicuous;</span> <span class="statement" id="st-d0_s6" data-properties="parenchyma coating">parenchyma not mucilaginous;</span> <span class="statement" id="st-d0_s7" data-properties="pith count">pith 1/2 of lesser stem diam.;</span> <span class="statement" id="st-d0_s8" data-properties="medullary system architecture;medullary system prominence">medullary vascular system conspicuous.</span> <span class="statement" id="st-d0_s9" data-properties="spine count"><b>Spines </b>13–21 per areole;</span> <span class="statement" id="st-d0_s10" data-properties="spine arrangement;spine coloration;plant life cycle;tuft prominence;tuft coloration;other coloration;other coloration;other coloration;other coloration">uppermost radial spines white, contrasting with others, at least on old plants, sometimes forming conspicuous white tufts, others white to tan or dark-brown;</span> <span class="statement" id="st-d0_s11" data-properties="spine arrangement;spine count;spine length;spine width">radial spines 13–20 per areole, 13–23 × 0.15–0.17 mm;</span> <span class="statement" id="st-d0_s12" data-properties="central spine count;central spine orientation;central spine course;central spine course;central spine orientation;longest spine some measurement">central spines 0–1 per areole, porrect, straight or slightly curved downward, longest spines 11–16 mm.</span> <span class="statement" id="st-d0_s13" data-properties="flower position;flower position;flower diameter"><b>Flowers </b>apical or nearly so, 45–50 mm diam.;</span> <span class="statement" id="st-d0_s14" data-properties="outer tepal architecture or shape">outer tepals entire;</span> <span class="statement" id="st-d0_s15" data-properties="inner tepal count;inner tepal coloration;inner tepal some measurement">inner tepals ca. 30 per flower, pale-yellow, ca. 30 mm;</span> <span class="statement" id="st-d0_s16" data-properties="outer filament coloration;outer filament coloration">outer filaments white or pale-yellow;</span> <span class="statement" id="st-d0_s17" data-properties="anther coloration">anthers orange-yellow;</span> <span class="statement" id="st-d0_s18" data-properties="stigma lobe count;stigma lobe coloration;stigma lobe coloration;stigma lobe atypical some measurement;stigma lobe some measurement">stigma lobes 5–8, white or cream, (2.5–) 5–8 mm.</span> <span class="statement" id="st-d0_s19" data-properties="fruit coloration;fruit coloration;fruit shape;fruit shape;fruit shape;fruit shape;fruit shape;fruit length;fruit width"><b>Fruits </b>gray-green or bright green (paler proximally), obovoid, spheric, or ellipsoid, 18–23 × 8–10 mm;</span> <span class="statement" id="st-d0_s20" data-properties="floral remnant duration">floral remnant strongly persistent.</span> <span class="statement" id="st-d0_s21" data-properties="seed coloration;seed condition;seed coloration;seed shape;seed shape;seed shape;seed some measurement;seed architecture or coloration or relief"><b>Seeds </b>orange, drying to reddish-brown, spheric to comma-shaped, 1.1–1.7 mm, finely and weakly raised-reticulate.</span><!-- | + | --><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><!-- |
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| | + | |phenology=Flowering summer (Aug–Sep). |
| | |habitat=Tamaulipan thorn scrub, eastern edge of Chihuahuan Desert, limestone outcrops, nearby alluvium | | |habitat=Tamaulipan thorn scrub, eastern edge of Chihuahuan Desert, limestone outcrops, nearby alluvium |
| | |elevation=100-150 m | | |elevation=100-150 m |
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| | |basionyms=Mammillaria nickelsiae | | |basionyms=Mammillaria nickelsiae |
| | |family=Cactaceae | | |family=Cactaceae |
| | + | |phenology=Flowering summer (Aug–Sep). |
| | |habitat=Tamaulipan thorn scrub, eastern edge of Chihuahuan Desert, limestone outcrops, nearby alluvium | | |habitat=Tamaulipan thorn scrub, eastern edge of Chihuahuan Desert, limestone outcrops, nearby alluvium |
| | |elevation=100-150 m | | |elevation=100-150 m |
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| | |publication year=1923 | | |publication year=1923 |
| | |special status= | | |special status= |
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V4/V4_413.xml | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V4/V4_413.xml |
| | |subfamily=Cactaceae subfam. Cactoideae | | |subfamily=Cactaceae subfam. Cactoideae |
| | |genus=Coryphantha | | |genus=Coryphantha |
| | |species=Coryphantha nickelsiae | | |species=Coryphantha nickelsiae |
| − | |anther coloration=orange-yellow
| |
| − | |areolar gland prominence=conspicuous
| |
| − | |central spine count=0;1
| |
| − | |central spine course=curved;straight
| |
| − | |central spine orientation=downward;porrect
| |
| − | |floral remnant duration=persistent
| |
| − | |flower diameter=45mm;50mm
| |
| − | |flower position=nearly;apical
| |
| − | |fruit coloration=bright green;gray-green
| |
| − | |fruit length=18mm;23mm
| |
| − | |fruit shape=ellipsoid;spheric;ellipsoid;spheric;obovoid
| |
| − | |fruit width=8mm;10mm
| |
| − | |inner tepal coloration=pale-yellow
| |
| − | |inner tepal count=30
| |
| − | |inner tepal some measurement=30
| |
| − | |longest spine some measurement=11mm;16mm
| |
| − | |medullary system architecture=vascular
| |
| − | |medullary system prominence=conspicuous
| |
| − | |other coloration=white;tan or dark-brown
| |
| − | |outer filament coloration=pale-yellow;white
| |
| − | |outer tepal architecture or shape=entire
| |
| − | |parenchyma coating=not mucilaginous
| |
| − | |pith count=1/2
| |
| − | |plant architecture=unbranched;freely branched
| |
| − | |plant life cycle=old
| |
| − | |plant relief=tuberculate
| |
| − | |portion atypical width=4cm;5.2cm
| |
| − | |portion length=0cm;11cm
| |
| − | |portion location=aerial
| |
| − | |portion shape=flat-topped;hemispheric
| |
| − | |portion width=5.2cm;7cm
| |
| − | |root density=diffuse
| |
| − | |seed architecture or coloration or relief=raised-reticulate
| |
| − | |seed coloration=reddish-brown;orange
| |
| − | |seed condition=drying
| |
| − | |seed shape=spheric;comma-shaped
| |
| − | |seed some measurement=1.1mm;1.7mm
| |
| − | |spine arrangement=radial;radial
| |
| − | |spine coloration=white
| |
| − | |spine count=13;20
| |
| − | |spine length=13mm;23mm
| |
| − | |spine width=0.15mm;0.17mm
| |
| − | |stem location=deep-seated
| |
| − | |stigma lobe atypical some measurement=2.5mm;5mm
| |
| − | |stigma lobe coloration=cream;white
| |
| − | |stigma lobe count=5;8
| |
| − | |stigma lobe some measurement=5mm;8mm
| |
| − | |taproot height or length or size=short
| |
| − | |tubercle length=7mm;10mm
| |
| − | |tubercle texture=firm
| |
| − | |tubercle width=10
| |
| − | |tuft coloration=white
| |
| − | |tuft prominence=conspicuous
| |
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Plants unbranched (western) to freely branched and ± forming mats (eastern), tuberculate with numerous, fine spines. Roots diffuse or short taproots; branches root adventitiously. Stems 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. Spines 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. Flowers 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. Fruits gray-green or bright green (paler proximally), obovoid, spheric, or ellipsoid, 18–23 × 8–10 mm; floral remnant strongly persistent. Seeds orange, drying to reddish brown, spheric to comma-shaped, 1.1–1.7 mm, finely and weakly raised-reticulate.
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
Of conservation concern.
Coryphantha nickelsiae in the flora is based on old herbarium specimens labeled only as from “Laredo, Texas.” Coryphantha nickelsiae belongs to the same species group as C. ramillosa. Coryphantha sulcata, with which L. D. Benson (1969b, 1969c, 1982) inexplicably united C. nickelsiae, is not closely related.
Coryphantha nickelsiae often has ribbonlike uppermost radial spines.
Selected References
None.
