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| − | --><span class="statement" id="st-d0_s0" data-properties="plant count;plant architecture;mass architecture or course;stem life cycle;maturity position relational;maturity reproduction;clump diameter;clump diameter;clump coloration;clump pubescence"><b>Plants </b>many branched, resulting in irregular masses of mostly immature stems that proliferate before reaching sexual maturity, clumps 10–30 (–100) cm diam., whitish bristly, spines nearly obscuring stem surface.</span> <span class="statement" id="st-d0_s1" data-properties="root density"><b>Roots </b>diffuse.</span> <span class="statement" id="st-d0_s2" data-properties="stem shape;stem shape;stem shape;stem length;stem width"><b>Stems </b>ovoid to cylindric, 3–6 × 1.5–3 cm;</span> <span class="statement" id="st-d0_s3" data-properties="tubercle length;tubercle width;tubercle pubescence or texture">tubercles 4–8 × 3–5 mm, moderately soft;</span> <span class="statement" id="st-d0_s4" data-properties="areolar gland count">areolar glands absent;</span> <span class="statement" id="st-d0_s5" data-properties="parenchyma coating">parenchyma not mucilaginous;</span> <span class="statement" id="st-d0_s6" data-properties="druse size;cortex count">druses in pith and cortex abundant but nearly microscopic;</span> <span class="statement" id="st-d0_s7" data-properties="pith count">pith ca. 1/2 of lesser stem diam.;</span> <span class="statement" id="st-d0_s8" data-properties="medullary system architecture;medullary system count">medullary vascular system absent.</span> <span class="statement" id="st-d0_s9" data-properties="spine atypical count;spine count;spine coloration;spine coloration;inner central spine coloration;inner central spine coloration;inner central spine coloration;inner central spine coloration;inner central spine coloration;inner central spine coloration"><b>Spines </b>(21–) 27–51 (–60?) per areole, snowy white or gray, except inner central spines pale-yellow or tan proximally, reddish-brown to nearly black in distal 1/2 or more;</span> <span class="statement" id="st-d0_s10" data-properties="spine arrangement;spine atypical count;spine count;spine atypical length;spine atypical length;spine length;spine width;spine position;spine count;spine arrangement;spine shape;spine arrangement or shape;spine duration;areole condition;largest stem length">radial spines (18–) 24–41 per areole, (4–) 6–9 (–10) × 0.03–0.2 mm, adaxial 1–4 radial spines of fresh areoles on the largest stems greatly elongated, hairlike, ± contorted, semideciduous;</span> <span class="statement" id="st-d0_s11" data-properties="subcentral spine count">subcentral spines 0–12 per areole;</span> <span class="statement" id="st-d0_s12" data-properties="outer central spine atypical count;outer central spine atypical count;outer central spine count;outer central spine course">outer central spines (1–) 3–9 (–17) per areole, straight;</span> <span class="statement" id="st-d0_s13" data-properties="inner central spine atypical count;inner central spine count;inner central spine orientation;inner central spine orientation;inner central spine orientation;inner central spine orientation;inner central spine orientation;spine orientation;spine orientation;spine orientation;spine atypical length;spine atypical length;spine length;spine width">inner central spines 0 (–1) per areole, ascending, descending, or porrect, other spines appressed or (usually) slightly projecting, some often descend from abaxial 1/2 of areole, (4–) 5–13 (–17.5) × 0.17–0.27 mm.</span> <span class="statement" id="st-d0_s14" data-properties="flower length;flower width;flower position;distal part reproduction;distal part some measurement;distal part height or length or size;part architecture"><b>Flowers </b>nearly apical, 15–30 × 10–19 mm, sterile distal part of flower tube 0–2 mm, shorter than stamen-bearing part;</span> <span class="statement" id="st-d0_s15" data-properties="outer tepal shape">outer tepals conspicuously fringed;</span> <span class="statement" id="st-d0_s16" data-properties="inner tepal count;inner tepal reflectance;inner tepal coloration;midstripe prominence;margin coloration;margin coloration;margin coloration;margin coloration;proximal portion coloration;proximal portion coloration;proximal portion length;proximal portion width">inner tepals 14 per flower, sometimes shiny greenish yellow, usually with ± sharply defined midstripes of pinkish, brown, or brownish green, sometimes purplish-pink distally, margins and proximal portion white or cream, 8–12 × 1.5–3 mm;</span> <span class="statement" id="st-d0_s17" data-properties="outer filament coloration">outer filaments white;</span> <span class="statement" id="st-d0_s18" data-properties="anther coloration">anthers bright-yellow;</span> <span class="statement" id="st-d0_s19" data-properties="stigma lobe atypical count;stigma lobe count;stigma lobe coloration;stigma lobe coloration;stigma lobe coloration;stigma lobe some measurement">stigma lobes 4 (–7), dark green to bright-yellow (rarely red), 1.5–2 mm.</span> <span class="statement" id="st-d0_s20" data-properties="fruit coloration;fruit shape;fruit shape;fruit shape;fruit shape;fruit shape;fruit length;fruit width;fruit texture"><b>Fruits </b>bright red throughout [sometimes green], ellipsoid, cylindric, or narrowly obovoid, 11–20 × 3–5 mm, not very succulent;</span> <span class="statement" id="st-d0_s21" data-properties="floral remnant duration">floral remnant strongly persistent.</span> <span class="statement" id="st-d0_s22" data-properties=""><b>Seeds </b>black, even when fresh, ± spheric, pitted.</span> <span class="statement" id="st-d0_s23" data-properties="seed coloration;seed shape;seed relief;2n chromosome count">2n = 22.</span><!-- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>many branched, resulting in irregular masses of mostly immature stems that proliferate before reaching sexual maturity, clumps 10–30(–100) cm diam., whitish bristly, spines nearly obscuring stem surface. <b>Roots</b> diffuse. <b>Stems</b> ovoid to cylindric, 3–6 × 1.5–3 cm; tubercles 4–8 × 3–5 mm, moderately soft; areolar glands absent; parenchyma not mucilaginous; druses in pith and cortex abundant but nearly microscopic; pith ca. 1/2 of lesser stem diam.; medullary vascular system absent. <b>Spines</b> (21–)27–51(–60?) per areole, snowy white or gray, except inner central spines pale yellow or tan proximally, reddish brown to nearly black in distal 1/2 or more; radial spines (18–)24–41 per areole, (4–)6–9(–10) × 0.03–0.2 mm, adaxial 1–4 radial spines of fresh areoles on the largest stems greatly elongated, hairlike, ± contorted, semideciduous; subcentral spines 0–12 per areole; outer central spines (1–)3–9(–17) per areole, straight; inner central spines 0(–1) per areole, ascending, descending, or porrect, other spines appressed or (usually) slightly projecting, some often descend from abaxial 1/2 of areole, (4–)5–13(–17.5) × 0.17–0.27 mm. <b>Flowers</b> nearly apical, 15–30 × 10–19 mm, sterile distal part of flower tube 0–2 mm, shorter than stamen-bearing part; outer tepals conspicuously fringed; inner tepals 14 per flower, sometimes shiny greenish yellow, usually with ± sharply defined midstripes of pinkish, brown, or brownish green, sometimes purplish pink distally, margins and proximal portion white or cream, 8–12 × 1.5–3 mm; outer filaments white; anthers bright yellow; stigma lobes 4(–7), dark green to bright yellow (rarely red), 1.5–2 mm. <b>Fruits</b> bright red throughout [sometimes green], ellipsoid, cylindric, or narrowly obovoid, 11–20 × 3–5 mm, not very succulent; floral remnant strongly persistent. <b>Seeds</b> black, even when fresh, ± spheric, pitted. <b>2n</b> = 22.</span><!-- |
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| | + | |phenology=Flowering Feb–Mar; fruiting 2-3 months after flowering. |
| | |habitat=Dense scrub, often with Leucophyllum, Agave lechuguilla, Echinocereus poselgeri, or Lophophora, limestone, gravel, or silt substrates | | |habitat=Dense scrub, often with Leucophyllum, Agave lechuguilla, Echinocereus poselgeri, or Lophophora, limestone, gravel, or silt substrates |
| | |elevation=50-400 m | | |elevation=50-400 m |
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| | |basionyms=Escobaria runyonii | | |basionyms=Escobaria runyonii |
| | |family=Cactaceae | | |family=Cactaceae |
| | + | |phenology=Flowering Feb–Mar; fruiting 2-3 months after flowering. |
| | |habitat=Dense scrub, often with Leucophyllum, Agave lechuguilla, Echinocereus poselgeri, or Lophophora, limestone, gravel, or silt substrates | | |habitat=Dense scrub, often with Leucophyllum, Agave lechuguilla, Echinocereus poselgeri, or Lophophora, limestone, gravel, or silt substrates |
| | |elevation=50-400 m | | |elevation=50-400 m |
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| | |publication year=1929 | | |publication year=1929 |
| | |special status= | | |special status= |
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V4/V4_420.xml | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V4/V4_420.xml |
| | |subfamily=Cactaceae subfam. Cactoideae | | |subfamily=Cactaceae subfam. Cactoideae |
| | |genus=Coryphantha | | |genus=Coryphantha |
| | |species=Coryphantha robertii | | |species=Coryphantha robertii |
| − | |2n chromosome count=22
| |
| − | |anther coloration=bright-yellow
| |
| − | |areolar gland count=absent
| |
| − | |areole condition=fresh
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| − | |clump coloration=whitish
| |
| − | |clump diameter=10cm;30cm
| |
| − | |clump pubescence=bristly
| |
| − | |cortex count=abundant
| |
| − | |distal part height or length or size=shorter
| |
| − | |distal part reproduction=sterile
| |
| − | |distal part some measurement=0mm;2mm
| |
| − | |druse size=microscopic
| |
| − | |floral remnant duration=persistent
| |
| − | |flower length=15mm;30mm
| |
| − | |flower position=apical
| |
| − | |flower width=10mm;19mm
| |
| − | |fruit coloration=bright red
| |
| − | |fruit length=11mm;20mm
| |
| − | |fruit shape=obovoid;cylindric;obovoid;cylindric;ellipsoid
| |
| − | |fruit texture=succulent
| |
| − | |fruit width=3mm;5mm
| |
| − | |inner central spine atypical count=0;1
| |
| − | |inner central spine coloration=reddish-brown;nearly black
| |
| − | |inner central spine count=0
| |
| − | |inner central spine orientation=porrect;descending;porrect;descending;ascending
| |
| − | |inner tepal coloration=greenish yellow
| |
| − | |inner tepal count=14
| |
| − | |inner tepal reflectance=shiny
| |
| − | |largest stem length=elongated
| |
| − | |margin coloration=purplish-pink;brownish green;brown;pinkish
| |
| − | |mass architecture or course=irregular
| |
| − | |maturity position relational=reaching
| |
| − | |maturity reproduction=sexual
| |
| − | |medullary system architecture=vascular
| |
| − | |medullary system count=absent
| |
| − | |midstripe prominence=defined
| |
| − | |outer central spine atypical count=9;17
| |
| − | |outer central spine count=3;9
| |
| − | |outer central spine course=straight
| |
| − | |outer filament coloration=white
| |
| − | |outer tepal shape=fringed
| |
| − | |parenchyma coating=not mucilaginous
| |
| − | |part architecture=stamen-bearing
| |
| − | |pith count=1/2
| |
| − | |plant architecture=branched
| |
| − | |plant count=many
| |
| − | |proximal portion coloration=cream;white
| |
| − | |proximal portion length=8mm;12mm
| |
| − | |proximal portion width=1.5mm;3mm
| |
| − | |root density=diffuse
| |
| − | |seed coloration=black
| |
| − | |seed relief=pitted
| |
| − | |seed shape=spheric
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| − | |spine arrangement=radial;radial
| |
| − | |spine arrangement or shape=contorted
| |
| − | |spine atypical count=18;24
| |
| − | |spine atypical length=13mm;17.5mm
| |
| − | |spine coloration=gray;snowy white
| |
| − | |spine count=1;4
| |
| − | |spine duration=semideciduous
| |
| − | |spine length=5mm;13mm
| |
| − | |spine orientation=descend;projecting;appressed
| |
| − | |spine position=adaxial
| |
| − | |spine shape=hairlike
| |
| − | |spine width=0.17mm;0.27mm
| |
| − | |stem length=3cm;6cm
| |
| − | |stem life cycle=immature
| |
| − | |stem shape=ovoid;cylindric
| |
| − | |stem width=1.5cm;3cm
| |
| − | |stigma lobe atypical count=4;7
| |
| − | |stigma lobe coloration=dark green;bright-yellow
| |
| − | |stigma lobe count=4
| |
| − | |stigma lobe some measurement=1.5mm;2mm
| |
| − | |subcentral spine count=0;12
| |
| − | |tubercle length=4mm;8mm
| |
| − | |tubercle pubescence or texture=soft
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| − | |tubercle width=3mm;5mm
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Plants many branched, resulting in irregular masses of mostly immature stems that proliferate before reaching sexual maturity, clumps 10–30(–100) cm diam., whitish bristly, spines nearly obscuring stem surface. Roots diffuse. Stems ovoid to cylindric, 3–6 × 1.5–3 cm; tubercles 4–8 × 3–5 mm, moderately soft; areolar glands absent; parenchyma not mucilaginous; druses in pith and cortex abundant but nearly microscopic; pith ca. 1/2 of lesser stem diam.; medullary vascular system absent. Spines (21–)27–51(–60?) per areole, snowy white or gray, except inner central spines pale yellow or tan proximally, reddish brown to nearly black in distal 1/2 or more; radial spines (18–)24–41 per areole, (4–)6–9(–10) × 0.03–0.2 mm, adaxial 1–4 radial spines of fresh areoles on the largest stems greatly elongated, hairlike, ± contorted, semideciduous; subcentral spines 0–12 per areole; outer central spines (1–)3–9(–17) per areole, straight; inner central spines 0(–1) per areole, ascending, descending, or porrect, other spines appressed or (usually) slightly projecting, some often descend from abaxial 1/2 of areole, (4–)5–13(–17.5) × 0.17–0.27 mm. Flowers nearly apical, 15–30 × 10–19 mm, sterile distal part of flower tube 0–2 mm, shorter than stamen-bearing part; outer tepals conspicuously fringed; inner tepals 14 per flower, sometimes shiny greenish yellow, usually with ± sharply defined midstripes of pinkish, brown, or brownish green, sometimes purplish pink distally, margins and proximal portion white or cream, 8–12 × 1.5–3 mm; outer filaments white; anthers bright yellow; stigma lobes 4(–7), dark green to bright yellow (rarely red), 1.5–2 mm. Fruits bright red throughout [sometimes green], ellipsoid, cylindric, or narrowly obovoid, 11–20 × 3–5 mm, not very succulent; floral remnant strongly persistent. Seeds black, even when fresh, ± spheric, pitted. 2n = 22.
Phenology: Flowering Feb–Mar; fruiting 2-3 months after flowering.
Habitat: Dense scrub, often with Leucophyllum, Agave lechuguilla, Echinocereus poselgeri, or Lophophora, limestone, gravel, or silt substrates
Elevation: 50-400 m
Distribution
Tex., Mexico (Coahuila, Nuevo León, Tamaulipas).
Discussion
An earlier name, Echinocactus pottsiana Poselger, may apply to the species here called Coryphantha robertii. The type specimen is fragmentary with squashed, disintegrated spine clusters, one seed, and vague locality data.
Coryphantha robertii is like C. sneedii in almost all respects, including nearly all variations of growth habit, phyllotaxy, spine color, spine arrangement/dimensions, floral morphology, fruit color dimorphism, and in most variations of tepal color.
Selected References
None.
