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| − | --><span class="statement" id="st-d0_s0" data-properties="plant architecture"><b>Plants </b>unbranched (very rarely branched).</span> <span class="statement" id="st-d0_s1" data-properties="stem coloration;stem coloration;stem coloration;portion location;portion shape;portion shape;portion prominence;portion length;portion width;age life cycle;age location"><b>Stems </b>pale gray-green (desert populations) to grass green (eastern populations), aboveground portion flat-topped, hemispheric in old age but usually deep-seated, flush with soil surface, 10–30 × 10–30 cm;</span> <span class="statement" id="st-d0_s2" data-properties="rib count;rib prominence;rib course;rib orientation;rib course;plant condition;crest shape;rib dehiscence">ribs 13–27, very prominent, straight, vertical, or sinuous on desiccated plants, crests ± sharp, without depressions between areoles but sometimes areoles recessed part-way into rib.</span> <span class="statement" id="st-d0_s3" data-properties="spine atypical count;spine count;spine orientation;spine count;spine orientation;spine course;spine coloration;spine coloration;spine coloration;spine coloration;spine coloration;spine shape;spine shape;spine shape;spine architecture;spine pubescence;trichome shape;trichome architecture"><b>Spines </b>(6–) 7–8 per areole, mostly decurved or 1 porrect and straight, pale tan, pink, reddish to gray, terete to flattened, annulate, not hiding stem surfaces, minutely canescent with laterally compressed unicellular trichomes;</span> <span class="statement" id="st-d0_s4" data-properties="spine arrangement;spine atypical count;spine count">radial spines (5–) 6–7 per areole;</span> <span class="statement" id="st-d0_s5" data-properties="central spine count;central spine orientation;central spine orientation;central spine course;central spine orientation;central spine atypical length;central spine atypical length;central spine length;central spine atypical width;central spine width">central spine 1 per areole, porrect or descending, straight or distally decurved, (20–) 40–60 (–80) × 1.5–4 (–8) mm.</span> <span class="statement" id="st-d0_s6" data-properties="flower length;flower width"><b>Flowers </b>5–6 × 5–6 cm;</span> <span class="statement" id="st-d0_s7" data-properties="inner tepal coloration;inner tepal coloration;inner tepal coloration;inner tepal coloration;inner tepal coloration;inner tepal coloration;inner tepal coloration;inner tepal coloration;inner tepal coloration;inner tepal coloration;inner tepal atypical length;inner tepal length;inner tepal atypical width;inner tepal atypical width;inner tepal width;margin architecture or relief">inner tepals bright-rose-pink to pale silvery-pink, proximally orange to red, (15–) 28–32 × (3–) 6 (–9) mm, margins usually erose;</span> <span class="statement" id="st-d0_s8" data-properties="stigma lobe coloration;stigma lobe coloration;stigma lobe coloration">stigma lobes pink to pinkish white.</span> <span class="statement" id="st-d0_s9" data-properties="fruit dehiscence;fruit coloration;fruit coloration;fruit shape;fruit shape;fruit shape;fruit length;fruit width;fruit texture;surface prominence;hair arrangement"><b>Fruits </b>indehiscent (rarely rupturing irregularly), scarlet or crimson, spheric to ovoid, 15–50 × 15–40 mm, fleshy, surfaces not hidden by widely spaced hairs in axils of scales;</span> <span class="statement" id="st-d0_s10" data-properties="scale count;distal scale architecture or shape;distal scale pubescence">scales 13–21, distal scales spine-tipped, minutely puberulent.</span> <span class="statement" id="st-d0_s11" data-properties="seed coloration;seed shape;seed shape;seed some measurement;seed reflectance"><b>Seeds </b>black, spheric-reniform or irregularly obovoid, 2.5–3 mm, glossy;</span> <span class="statement" id="st-d0_s12" data-properties="">testa cells flat or very slightly convex.</span> <span class="statement" id="st-d0_s13" data-properties="testa cell prominence or shape;testa cell shape;2n chromosome count">2n = 22.</span><!-- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>unbranched (very rarely branched). <b>Stems</b> pale gray-green (desert populations) to grass green (eastern populations), above-ground portion flat-topped, hemispheric in old age but usually deep-seated, flush with soil surface, 10–30 × 10–30 cm; ribs 13–27, very prominent, straight, vertical, or sinuous on desiccated plants, crests ± sharp, without depressions between areoles but sometimes areoles recessed part way into rib. <b>Spines</b> (6–)7–8 per areole, mostly decurved or 1 porrect and straight, pale tan, pink, reddish to gray, terete to flattened, annulate, not hiding stem surfaces, minutely canescent with laterally compressed unicellular trichomes; radial spines (5–)6–7 per areole; central spine 1 per areole, porrect or descending, straight or distally decurved, (20–)40–60(–80) × 1.5–4(–8) mm. <b>Flowers</b> 5–6 × 5–6 cm; inner tepals bright rose-pink to pale silvery-pink, proximally orange to red, (15–)28–32 × (3–)6(–9) mm, margins usually erose; stigma lobes pink to pinkish white. <b>Fruits</b> indehiscent (rarely rupturing irregularly), scarlet or crimson, spheric to ovoid, 15–50 × 15–40 mm, fleshy, surfaces not hidden by widely spaced hairs in axils of scales; scales 13–21, distal scales spine-tipped, minutely puberulent. <b>Seeds</b> black, spheric-reniform or irregularly obovoid, 2.5–3 mm, glossy; testa cells flat or very slightly convex. <b>2n</b> = 22.</span><!-- |
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| | + | |phenology=Flowering late spring. |
| | |habitat=Chihuahuan Desert, grasslands, openings in oak woodlands, Tamaulipan thorn scrub, deep soils, saline flats, low limestone hills | | |habitat=Chihuahuan Desert, grasslands, openings in oak woodlands, Tamaulipan thorn scrub, deep soils, saline flats, low limestone hills |
| | |elevation=0-1400 m | | |elevation=0-1400 m |
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| | |basionyms= | | |basionyms= |
| | |family=Cactaceae | | |family=Cactaceae |
| | + | |phenology=Flowering late spring. |
| | |habitat=Chihuahuan Desert, grasslands, openings in oak woodlands, Tamaulipan thorn scrub, deep soils, saline flats, low limestone hills | | |habitat=Chihuahuan Desert, grasslands, openings in oak woodlands, Tamaulipan thorn scrub, deep soils, saline flats, low limestone hills |
| | |elevation=0-1400 m | | |elevation=0-1400 m |
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| | |publication year=1842 | | |publication year=1842 |
| | |special status= | | |special status= |
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V4/V4_358.xml | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V4/V4_358.xml |
| | |subfamily=Cactaceae subfam. Cactoideae | | |subfamily=Cactaceae subfam. Cactoideae |
| | |genus=Echinocactus | | |genus=Echinocactus |
| | |species=Echinocactus texensis | | |species=Echinocactus texensis |
| − | |2n chromosome count=22
| |
| − | |age life cycle=old
| |
| − | |age location=deep-seated
| |
| − | |central spine atypical length=60mm;80mm
| |
| − | |central spine atypical width=4mm;8mm
| |
| − | |central spine count=1
| |
| − | |central spine course=straight
| |
| − | |central spine length=40mm;60mm
| |
| − | |central spine orientation=decurved;descending;porrect
| |
| − | |central spine width=1.5mm;4mm
| |
| − | |crest shape=sharp
| |
| − | |distal scale architecture or shape=spine-tipped
| |
| − | |distal scale pubescence=puberulent
| |
| − | |flower length=5cm;6cm
| |
| − | |flower width=5cm;6cm
| |
| − | |fruit coloration=crimson;scarlet
| |
| − | |fruit dehiscence=indehiscent
| |
| − | |fruit length=15mm;50mm
| |
| − | |fruit shape=spheric;ovoid
| |
| − | |fruit texture=fleshy
| |
| − | |fruit width=15mm;40mm
| |
| − | |hair arrangement=spaced
| |
| − | |inner tepal atypical length=15mm;28mm
| |
| − | |inner tepal atypical width=6mm;9mm
| |
| − | |inner tepal coloration=bright-rose-pink;pale silvery-pink proximally orange
| |
| − | |inner tepal length=28mm;32mm
| |
| − | |inner tepal width=6
| |
| − | |margin architecture or relief=erose
| |
| − | |plant architecture=unbranched
| |
| − | |plant condition=desiccated
| |
| − | |portion length=10cm;30cm
| |
| − | |portion location=aboveground
| |
| − | |portion prominence=flush
| |
| − | |portion shape=hemispheric;flat-topped
| |
| − | |portion width=10cm;30cm
| |
| − | |rib count=13;27
| |
| − | |rib course=sinuous;straight
| |
| − | |rib dehiscence=part-way
| |
| − | |rib orientation=vertical
| |
| − | |rib prominence=prominent
| |
| − | |scale count=13;21
| |
| − | |seed coloration=black
| |
| − | |seed reflectance=glossy
| |
| − | |seed shape=obovoid;spheric-reniform
| |
| − | |seed some measurement=2.5mm;3mm
| |
| − | |spine architecture=annulate
| |
| − | |spine arrangement=radial
| |
| − | |spine atypical count=5;6
| |
| − | |spine coloration=reddish;gray
| |
| − | |spine count=6;7
| |
| − | |spine course=straight
| |
| − | |spine orientation=porrect;decurved
| |
| − | |spine pubescence=canescent
| |
| − | |spine shape=terete;flattened
| |
| − | |stem coloration=pale gray-green;grass green
| |
| − | |stigma lobe coloration=pink;pinkish white
| |
| − | |surface prominence=not hidden
| |
| − | |testa cell prominence or shape=flat
| |
| − | |testa cell shape=convex
| |
| − | |trichome architecture=unicellular
| |
| − | |trichome shape=compressed
| |
| | }}<!-- | | }}<!-- |
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| | -->[[Category:Treatment]][[Category:Echinocactus]] | | -->[[Category:Treatment]][[Category:Echinocactus]] |
Plants unbranched (very rarely branched). Stems pale gray-green (desert populations) to grass green (eastern populations), above-ground portion flat-topped, hemispheric in old age but usually deep-seated, flush with soil surface, 10–30 × 10–30 cm; ribs 13–27, very prominent, straight, vertical, or sinuous on desiccated plants, crests ± sharp, without depressions between areoles but sometimes areoles recessed part way into rib. Spines (6–)7–8 per areole, mostly decurved or 1 porrect and straight, pale tan, pink, reddish to gray, terete to flattened, annulate, not hiding stem surfaces, minutely canescent with laterally compressed unicellular trichomes; radial spines (5–)6–7 per areole; central spine 1 per areole, porrect or descending, straight or distally decurved, (20–)40–60(–80) × 1.5–4(–8) mm. Flowers 5–6 × 5–6 cm; inner tepals bright rose-pink to pale silvery-pink, proximally orange to red, (15–)28–32 × (3–)6(–9) mm, margins usually erose; stigma lobes pink to pinkish white. Fruits indehiscent (rarely rupturing irregularly), scarlet or crimson, spheric to ovoid, 15–50 × 15–40 mm, fleshy, surfaces not hidden by widely spaced hairs in axils of scales; scales 13–21, distal scales spine-tipped, minutely puberulent. Seeds black, spheric-reniform or irregularly obovoid, 2.5–3 mm, glossy; testa cells flat or very slightly convex. 2n = 22.
Phenology: Flowering late spring.
Habitat: Chihuahuan Desert, grasslands, openings in oak woodlands, Tamaulipan thorn scrub, deep soils, saline flats, low limestone hills
Elevation: 0-1400 m
Distribution
N.Mex., Tex., Mexico (Coahuila, Durango, Nuevo León, Tamaulipas).
Discussion
The western, desert populations of Echinocactus texensis, unlike the eastern plants, have longer central spines that project stiffly outward and can flatten off-road vehicle tires or seriously injure a large mammal stepping on them. A dense cover of ephemeral herbs or shallow blanket of snow can hide this species completely from view.
Selected References
None.
