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| − | --><span class="statement" id="st-d0_s0" data-properties="plant architecture;areole architecture;wool length or size;wool coloration"><b>Plants </b>usually unbranched, spine-bearing areoles with long white wool obscuring basal portion of spine.</span> <span class="statement" id="st-d0_s1" data-properties="taproot density;taproot height or length or size"><b>Roots </b>diffuse or short taproots.</span> <span class="statement" id="st-d0_s2" data-properties="stem location;stem length;stem width"><b>Stems </b>deep-seated (buried except for its apical 0.5–3 cm), 2–10 × 2–6 cm;</span> <span class="statement" id="st-d0_s3" data-properties="tubercle length;tubercle width;tubercle pubescence or texture">tubercles 5–8 × 4–6 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="spine count;spine coloration;largest spine coloration;largest spine course"><b>Spines </b>11–20 per areole, white, largest spines dark tipped when fresh, straight;</span> <span class="statement" id="st-d0_s6" data-properties="spine arrangement;spine count;spine length;spine width">radial spines 10–20 per areole, 8–18 × 0.2–0.5 mm;</span> <span class="statement" id="st-d0_s7" data-properties="central spine atypical count;central spine count;central spine orientation;central spine some measurement;largest spine arrangement">central spines 0 (–1) per areole, similar to largest radial spines, but porrect, ca. 8–18 mm.</span> <span class="statement" id="st-d0_s8" data-properties="flower length;flower width;flower position"><b>Flowers </b>nearly apical, 12–29 × 10–18.5 mm;</span> <span class="statement" id="st-d0_s9" data-properties="outer tepal shape">outer tepals fringed;</span> <span class="statement" id="st-d0_s10" data-properties="inner tepal count;inner tepal coloration;inner tepal coloration;inner tepal coloration;inner tepal coloration;midstripe coloration;midstripe coloration;midstripe coloration">inner tepals 14 per flower, dull yellow, frequently tinted greenish or bronze, often with midstripes of brownish or dull pink;</span> <span class="statement" id="st-d0_s11" data-properties="outer filament coloration">outer filaments greenish;</span> <span class="statement" id="st-d0_s12" data-properties="anther coloration">anthers bright-yellow;</span> <span class="statement" id="st-d0_s13" data-properties="stigma lobe coloration;stigma lobe coloration">stigma lobes green or yellow-green.</span> <span class="statement" id="st-d0_s14" data-properties="fruit coloration;fruit coloration;fruit shape;fruit shape;fruit shape;fruit length;fruit width;fruit texture;fruit condition;fruit coloration"><b>Fruits </b>bright-orange-red or scarlet, spheric to obovoid, 6–8.5 × 3–4.5 mm, slightly juicy, quickly drying and turning brownish;</span> <span class="statement" id="st-d0_s15" data-properties="floral remnant duration;floral remnant duration;breakage life cycle">floral remnant weakly persistent, often deciduous through breakage not abscission.</span> <span class="statement" id="st-d0_s16" data-properties=""><b>Seeds </b>dark-brown, drying blackish, spheric, 1.3–1.4 mm, pitted.</span> <span class="statement" id="st-d0_s17" data-properties="seed coloration;seed condition;seed coloration;seed shape;seed some measurement;seed relief;2n chromosome count">2n = 22.</span><!-- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>usually unbranched, spine-bearing areoles with long white wool obscuring basal portion of spine. <b>Roots</b> diffuse or short taproots. <b>Stems</b> deep-seated (buried except for its apical 0.5–3 cm), 2–10 × 2–6 cm; tubercles 5–8 × 4–6 mm, moderately soft; areolar glands absent. <b>Spines</b> 11–20 per areole, white, largest spines dark tipped when fresh, straight; radial spines 10–20 per areole, 8–18 × 0.2–0.5 mm; central spines 0(–1) per areole, similar to largest radial spines, but porrect, ca. 8–18 mm. <b>Flowers</b> nearly apical, 12–29 × 10–18.5 mm; outer tepals fringed; inner tepals 14 per flower, dull yellow, frequently tinted greenish or bronze, often with midstripes of brownish or dull pink; outer filaments greenish; anthers bright yellow; stigma lobes green or yellow-green. <b>Fruits</b> bright orange-red or scarlet, spheric to obovoid, 6–8.5 × 3–4.5 mm, slightly juicy, quickly drying and turning brownish; floral remnant weakly persistent, often deciduous through breakage not abscission. <b>Seeds</b> dark brown, drying blackish, spheric, 1.3–1.4 mm, pitted. <b>2n</b> = 22.</span><!-- |
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| | + | |phenology=Flowering Mar–Apr; fruiting Jun–Aug. |
| | |habitat=Semidesert grasslands, limestone hills | | |habitat=Semidesert grasslands, limestone hills |
| | |elevation=1300-1500 m | | |elevation=1300-1500 m |
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| | |basionyms=Cochiseia robbinsorum | | |basionyms=Cochiseia robbinsorum |
| | |family=Cactaceae | | |family=Cactaceae |
| | + | |phenology=Flowering Mar–Apr; fruiting Jun–Aug. |
| | |habitat=Semidesert grasslands, limestone hills | | |habitat=Semidesert grasslands, limestone hills |
| | |elevation=1300-1500 m | | |elevation=1300-1500 m |
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| | |publication year=1978 | | |publication year=1978 |
| | |special status= | | |special status= |
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V4/V4_424.xml | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V4/V4_424.xml |
| | |subfamily=Cactaceae subfam. Cactoideae | | |subfamily=Cactaceae subfam. Cactoideae |
| | |genus=Coryphantha | | |genus=Coryphantha |
| | |species=Coryphantha robbinsorum | | |species=Coryphantha robbinsorum |
| − | |2n chromosome count=22
| |
| − | |anther coloration=bright-yellow
| |
| − | |areolar gland count=absent
| |
| − | |areole architecture=spine-bearing
| |
| − | |breakage life cycle=not abscission
| |
| − | |central spine atypical count=0;1
| |
| − | |central spine count=0
| |
| − | |central spine orientation=porrect
| |
| − | |central spine some measurement=8mm;18mm
| |
| − | |floral remnant duration=deciduous;persistent
| |
| − | |flower length=12mm;29mm
| |
| − | |flower position=apical
| |
| − | |flower width=10mm;18.5mm
| |
| − | |fruit coloration=brownish;scarlet;bright-orange-red
| |
| − | |fruit condition=drying
| |
| − | |fruit length=6mm;8.5mm
| |
| − | |fruit shape=spheric;obovoid
| |
| − | |fruit texture=juicy
| |
| − | |fruit width=3mm;4.5mm
| |
| − | |inner tepal coloration=bronze;tinted greenish;yellow;dull
| |
| − | |inner tepal count=14
| |
| − | |largest spine arrangement=radial
| |
| − | |largest spine coloration=dark tipped
| |
| − | |largest spine course=straight
| |
| − | |midstripe coloration=pink;dull;brownish
| |
| − | |outer filament coloration=greenish
| |
| − | |outer tepal shape=fringed
| |
| − | |plant architecture=unbranched
| |
| − | |seed coloration=blackish;dark-brown
| |
| − | |seed condition=drying
| |
| − | |seed relief=pitted
| |
| − | |seed shape=spheric
| |
| − | |seed some measurement=1.3mm;1.4mm
| |
| − | |spine arrangement=radial
| |
| − | |spine coloration=white
| |
| − | |spine count=10;20
| |
| − | |spine length=8mm;18mm
| |
| − | |spine width=0.2mm;0.5mm
| |
| − | |stem length=2cm;10cm
| |
| − | |stem location=deep-seated
| |
| − | |stem width=2cm;6cm
| |
| − | |stigma lobe coloration=yellow-green;green
| |
| − | |taproot density=diffuse
| |
| − | |taproot height or length or size=short
| |
| − | |tubercle length=5mm;8mm
| |
| − | |tubercle pubescence or texture=soft
| |
| − | |tubercle width=4mm;6mm
| |
| − | |wool coloration=white
| |
| − | |wool length or size=long
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| | -->[[Category:Treatment]][[Category:Coryphantha]] | | -->[[Category:Treatment]][[Category:Coryphantha]] |
Plants usually unbranched, spine-bearing areoles with long white wool obscuring basal portion of spine. Roots diffuse or short taproots. Stems deep-seated (buried except for its apical 0.5–3 cm), 2–10 × 2–6 cm; tubercles 5–8 × 4–6 mm, moderately soft; areolar glands absent. Spines 11–20 per areole, white, largest spines dark tipped when fresh, straight; radial spines 10–20 per areole, 8–18 × 0.2–0.5 mm; central spines 0(–1) per areole, similar to largest radial spines, but porrect, ca. 8–18 mm. Flowers nearly apical, 12–29 × 10–18.5 mm; outer tepals fringed; inner tepals 14 per flower, dull yellow, frequently tinted greenish or bronze, often with midstripes of brownish or dull pink; outer filaments greenish; anthers bright yellow; stigma lobes green or yellow-green. Fruits bright orange-red or scarlet, spheric to obovoid, 6–8.5 × 3–4.5 mm, slightly juicy, quickly drying and turning brownish; floral remnant weakly persistent, often deciduous through breakage not abscission. Seeds dark brown, drying blackish, spheric, 1.3–1.4 mm, pitted. 2n = 22.
Phenology: Flowering Mar–Apr; fruiting Jun–Aug.
Habitat: Semidesert grasslands, limestone hills
Elevation: 1300-1500 m
Distribution
Ariz., Mexico (Sonora).
Discussion
Of conservation concern.
Coryphantha robbinsorum is somewhat intermediate between the C. dasyacantha species-group, especially C. zilziana Boedeker, and the C. missouriensis species-group.
Coryphantha robbinsorum is in the Center for Plant Conservation’s National Collection of Endangered Plants.
Selected References
None.
