Difference between revisions of "Berberis swaseyi"

Buckley ex M. J. Young

Famil. Lessons Bot., 152. 1873.

Endemic
Synonyms: Mahonia swaseyi (Buckley ex M. J. Young) Fedde
Treatment appears in FNA Volume 3.
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--><span class="statement" id="st-d0_s0" data-properties="shrub duration;shrub some measurement"><b>Shrubs,</b> evergreen, 1-2 m.</span> <span class="statement" id="st-d0_s1" data-properties="stem growth form;stem height or length or size;primary shape;axillary shoot shape"><b>Stems </b>± dimorphic, with elongate primary and short or somewhat elongate axillary shoots.</span> <span class="statement" id="st-d0_s2" data-properties="bark coloration or density;bark pubescence"><b>Bark </b>of 2d-year stems purple, glabrous.</span> <span class="statement" id="st-d0_s3" data-properties="bud-scale distance;bud-scale duration"><b>Bud-</b>scales 1.5-4 mm, deciduous.</span> <span class="statement" id="st-d0_s4" data-properties="spine presence"><b>Spines </b>absent.</span> <span class="statement" id="st-d0_s5" data-properties="leaf architecture"><b>Leaves </b>5-9-foliolate (basal pair of leaflets sometimes reduced to bristles);</span> <span class="statement" id="st-d0_s6" data-properties="petiole some measurement">petioles 0.1-0.5 cm.</span> <span class="statement" id="st-d0_s7" data-properties="leaflet blade width;leaflet blade width;leaflet blade texture"><b>Leaflet </b>blades thin or thick and rigid;</span> <span class="statement" id="st-d0_s8" data-properties="surface reflectance;surface relief;surface reflectance;surface pubescence">surfaces abaxially dull, papillose, adaxially dull, somewhat glaucous;</span> <span class="statement" id="st-d0_s9" data-properties="terminal leaflet architecture;blade length;blade width;blade l w ratio">terminal leaflet stalked (sessile in a few leaves), blades 1.8-3.5 × 0.7-1.7 cm, 1.3-4.7 times as long as wide;</span> <span class="statement" id="st-d0_s10" data-properties="lateral leaflet shape;lateral leaflet shape;lateral leaflet shape;lateral leaflet shape;lateral leaflet architecture;base shape;base shape;base shape;base shape;margin shape;margin shape;margin shape;margin architecture;tooth quantity;tooth height;spine length;spine width;apex shape;apex shape;apex shape">lateral leaflets oblong to elliptic or lanceolate, 1-veined from base, base truncate to obtuse, rarely acute, margins plane or undulate, toothed, each with 3-8 teeth 0.5-2 mm high tipped with spines to 0.6-1.2 × 0.1-0.2 mm, apex rounded to acuminate.</span> <span class="statement" id="st-d0_s11" data-properties="inflorescence arrangement;inflorescence architecture or arrangement;inflorescence architecture;inflorescence some measurement"><b>Inflorescences </b>racemose, lax, 2-6-flowered, 4-6 cm;</span> <span class="statement" id="st-d0_s12" data-properties="bracteole texture;apex shape;apex shape;distal bracteole texture">bracteoles leathery, apex spinose-acuminate, sometimes with proximal bracteoles as described, distal membranous and acuminate.</span> <span class="statement" id="st-d0_s13" data-properties="lateral tooth orientation"><b>Flowers:</b> anther-filaments with distal pair of recurved lateral teeth.</span> <span class="statement" id="st-d0_s14" data-properties="berry coloration;berry coloration;berry pubescence;berry shape;berry some measurement;berry texture;berry texture;berry architecture"><b>Berries </b>white or red and somewhat glaucous, spheric, 9-16 mm, dry or juicy, hollow.</span><!--
+
--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs,</b> evergreen, 1-2 m. <b>Stems</b> ± dimorphic, with elongate primary and short or somewhat elongate axillary shoots. <b>Bark</b> of 2d-year stems purple, glabrous. <b>Bud</b> scales 1.5-4 mm, deciduous. <b>Spines</b> absent. <b>Leaves</b> 5-9-foliolate (basal pair of leaflets sometimes reduced to bristles); petioles 0.1-0.5 cm. <b>Leaflet</b> blades thin or thick and rigid; surfaces abaxially dull, papillose, adaxially dull, somewhat glaucous; terminal leaflet stalked (sessile in a few leaves), blades 1.8-3.5 × 0.7-1.7 cm, 1.3-4.7 times as long as wide; lateral leaflets oblong to elliptic or lanceolate, 1-veined from base, base truncate to obtuse, rarely acute, margins plane or undulate, toothed, each with 3-8 teeth 0.5-2 mm high tipped with spines to 0.6-1.2 × 0.1-0.2 mm, apex rounded to acuminate. <b>Inflorescences</b> racemose, lax, 2-6-flowered, 4-6 cm; bracteoles leathery, apex spinose-acuminate, sometimes with proximal bracteoles as described, distal membranous and acuminate. <b>Flowers</b>: anther filaments with distal pair of recurved lateral teeth. <b>Berries</b> white or red and somewhat glaucous, spheric, 9-16 mm, dry or juicy, hollow.</span><!--
  
 
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|publication year=1873
 
|publication year=1873
 
|special status=Endemic
 
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V3/V3_917.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V3/V3_917.xml
 
|genus=Berberis
 
|genus=Berberis
 
|species=Berberis swaseyi
 
|species=Berberis swaseyi
|apex shape=acuminate;spinose-acuminate;rounded;acuminate
 
|axillary shoot shape=elongate
 
|bark coloration or density=purple
 
|bark pubescence=glabrous
 
|base shape=acute;truncate;obtuse
 
|berry architecture=hollow
 
|berry coloration=red;white
 
|berry pubescence=glaucous
 
|berry shape=spheric
 
|berry some measurement=9mm;16mm
 
|berry texture=juicy;dry
 
|blade l w ratio=1.3-4.7
 
|blade length=1.8cm;3.5cm
 
|blade width=0.7cm;1.7cm
 
|bracteole texture=leathery
 
|bud-scale distance=1.5mm;4mm
 
|bud-scale duration=deciduous
 
|distal bracteole texture=membranous
 
|inflorescence architecture=2-6-flowered
 
|inflorescence architecture or arrangement=lax
 
|inflorescence arrangement=racemose
 
|inflorescence some measurement=4cm;6cm
 
|lateral leaflet architecture=1-veined
 
|lateral leaflet shape=oblong;elliptic or lanceolate
 
|lateral tooth orientation=recurved
 
|leaf architecture=5-9-foliolate
 
|leaflet blade texture=rigid
 
|leaflet blade width=thick;thin
 
|margin architecture=tipped
 
|margin shape=toothed;undulate;plane
 
|petiole some measurement=0.1cm;0.5cm
 
|primary shape=elongate
 
|shrub duration=evergreen
 
|shrub some measurement=1m;2m
 
|spine length=0.6mm;1.2mm
 
|spine presence=absent
 
|spine width=0.1mm;0.2mm
 
|stem growth form=dimorphic
 
|stem height or length or size=short
 
|surface pubescence=glaucous
 
|surface reflectance=dull;dull
 
|surface relief=papillose
 
|terminal leaflet architecture=stalked
 
|tooth height=0.5mm;2mm
 
|tooth quantity=3;8
 
 
}}<!--
 
}}<!--
  
 
-->[[Category:Treatment]][[Category:Berberis]]
 
-->[[Category:Treatment]][[Category:Berberis]]

Revision as of 13:53, 27 July 2019

Shrubs, evergreen, 1-2 m. Stems ± dimorphic, with elongate primary and short or somewhat elongate axillary shoots. Bark of 2d-year stems purple, glabrous. Bud scales 1.5-4 mm, deciduous. Spines absent. Leaves 5-9-foliolate (basal pair of leaflets sometimes reduced to bristles); petioles 0.1-0.5 cm. Leaflet blades thin or thick and rigid; surfaces abaxially dull, papillose, adaxially dull, somewhat glaucous; terminal leaflet stalked (sessile in a few leaves), blades 1.8-3.5 × 0.7-1.7 cm, 1.3-4.7 times as long as wide; lateral leaflets oblong to elliptic or lanceolate, 1-veined from base, base truncate to obtuse, rarely acute, margins plane or undulate, toothed, each with 3-8 teeth 0.5-2 mm high tipped with spines to 0.6-1.2 × 0.1-0.2 mm, apex rounded to acuminate. Inflorescences racemose, lax, 2-6-flowered, 4-6 cm; bracteoles leathery, apex spinose-acuminate, sometimes with proximal bracteoles as described, distal membranous and acuminate. Flowers: anther filaments with distal pair of recurved lateral teeth. Berries white or red and somewhat glaucous, spheric, 9-16 mm, dry or juicy, hollow.


Phenology: Flowering winter–spring (Feb–Apr).
Habitat: Limestone ridges and canyons
Elevation: 150-600 m

Discussion

Berberis swaseyi is endemic to the Edwards Plateau. According to M. C. Johnston (pers. comm.), B. swaseyi and B. trifoliolata hybridize in central Texas.

Berberis swaseyi is susceptible to infection by Puccinia graminis.

Selected References

None.

Lower Taxa

None.