Difference between revisions of "Juniperus coahuilensis"

(Martinez) Gaussen ex R. P. Adams

Phytologia 74: 450. 1993.

Common names: Roseberry
Basionym: Juniperus erythrocarpa var. coahuilensis Martinez
Treatment appears in FNA Volume 2.
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--><span class="statement" id="st-d0_s0" data-properties="shrub reproduction;shrub some measurement;shrub architecture;shrub some measurement;shrub architecture;tree reproduction;tree some measurement;tree architecture;tree some measurement;tree architecture"><b>Shrubs </b>or trees dioecious, to 8 m, single-stemmed to 1 m or branched at base;</span> <span class="statement" id="st-d0_s1" data-properties="crown shape;crown architecture or course;crown shape">crown flattened-globose to irregular to round.</span> <span class="statement" id="st-d0_s2" data-properties="bark coloration;bark coloration;bark coloration;bark relief;bark architecture or pubescence or relief;bark relief;strip length or size;strip shape;branchlet size"><b>Bark </b>gray to brown, exfoliating in long ragged strips, that of small branchlets (5–10 mm diam.) smooth, that of larger branchlets exfoliating in strips, or occasionally in flakes.</span> <span class="statement" id="st-d0_s3" data-properties="branch orientation;branch orientation;branch orientation"><b>Branches </b>spreading to ascending;</span> <span class="statement" id="st-d0_s4" data-properties="branchlet orientation;cross-section count;leaf shape">branchlets erect, 3–4-sided in cross-section, ca. 2/3 as wide as length of scalelike leaves.</span> <span class="statement" id="st-d0_s5" data-properties="leaf coloration;leaf coloration;leaf coloration;abaxial gland shape;abaxial gland shape;abaxial gland shape;abaxial gland count;exudate prominence;exudate coloration"><b>Leaves </b>green to light green, abaxial glands elliptic to ovate, at least 1/4 of glands (on whip leaves) with an evident white crystalline exudate, margins denticulate (at 20×);</span> <span class="statement" id="st-d0_s6" data-properties="margin shape;margin some measurement;margin pubescence">whip leaves 4–6 mm, glaucous adaxially;</span> <span class="statement" id="st-d0_s7" data-properties="leaf shape;leaf some measurement;leaf arrangement;leaf arrangement;leaf orientation;apex character;apex shape;apex shape">scalelike leaves 1–3 mm, not overlapping or if so, by less than 1/4 their length, keeled, apex acute, spreading.</span> <span class="statement" id="st-d0_s8" data-properties="seed-cone life cycle;seed-cone shape;seed-cone shape;seed-cone shape;seed-cone distance;seed-cone coloration;seed-cone coloration;seed-cone coloration;seed-cone coloration;seed-cone coloration;seed-cone coloration;seed-cone coating;seed-cone coating;seed-cone coating;seed-cone coating;seed-cone coating;seed-cone coating;seed-cone texture;seed-cone taste;year count;peduncle course;seed atypical count;seed count"><b>Seed-</b>cones maturing in 1 year, of 1 size, with straight peduncles, globose to ovoid, 6–7 mm, rose to pinkish but yellow-orange, orange, or dark red beneath glaucous coating, fleshy and somewhat sweet, with 1 (–2) seeds.</span> <span class="statement" id="st-d0_s9" data-properties="seed some measurement"><b>Seeds </b>4–5 mm.</span><!--
+
--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>or trees dioecious, to 8 m, single-stemmed to 1 m or branched at base; crown flattened-globose to irregular to round. <b>Bark</b> gray to brown, exfoliating in long ragged strips, that of small branchlets (5–10 mm diam.) smooth, that of larger branchlets exfoliating in strips, or occasionally in flakes. <b>Branches</b> spreading to ascending; branchlets erect, 3–4-sided in cross section, ca. 2/3 as wide as length of scalelike leaves. <b>Leaves</b> green to light green, abaxial glands elliptic to ovate, at least 1/4 of glands (on whip leaves) with an evident white crystalline exudate, margins denticulate (at 20×); whip leaves 4–6 mm, glaucous adaxially; scalelike leaves 1–3 mm, not overlapping or if so, by less than 1/4 their length, keeled, apex acute, spreading. <b>Seed</b> cones maturing in 1 year, of 1 size, with straight peduncles, globose to ovoid, 6–7 mm, rose to pinkish but yellow-orange, orange, or dark red beneath glaucous coating, fleshy and somewhat sweet, with 1(–2) seeds. <b>Seeds</b> 4–5 mm.</span><!--
  
 
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|publication year=1993
 
|publication year=1993
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_49.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_49.xml
 
|genus=Juniperus
 
|genus=Juniperus
 
|section=Juniperus sect. Sabina
 
|section=Juniperus sect. Sabina
 
|species=Juniperus coahuilensis
 
|species=Juniperus coahuilensis
|abaxial gland count=1/4
 
|abaxial gland shape=elliptic;ovate
 
|apex character=length
 
|apex shape=acute;keeled
 
|bark architecture or pubescence or relief=smooth
 
|bark coloration=gray;brown
 
|bark relief=exfoliating;exfoliating
 
|branch orientation=spreading;ascending
 
|branchlet orientation=erect
 
|branchlet size=small
 
|cross-section count=2/3
 
|crown architecture or course=irregular
 
|crown shape=round;flattened-globose
 
|exudate coloration=white crystalline
 
|exudate prominence=evident
 
|leaf arrangement=if so , by 0-1/4 their length , keeled , apex;not overlapping
 
|leaf coloration=green;light green
 
|leaf orientation=spreading
 
|leaf shape=scalelike;scalelike
 
|leaf some measurement=1mm;3mm
 
|margin pubescence=glaucous
 
|margin shape=denticulate
 
|margin some measurement=4mm;6mm
 
|peduncle course=straight
 
|seed atypical count=1;2
 
|seed count=1
 
|seed some measurement=4mm;5mm
 
|seed-cone coating=rose;pinkish but yellow-orange punct orange or dark red
 
|seed-cone coloration=rose;pinkish but yellow-orange punct orange or dark red
 
|seed-cone distance=6mm;7mm
 
|seed-cone life cycle=maturing
 
|seed-cone shape=globose;ovoid
 
|seed-cone taste=sweet
 
|seed-cone texture=fleshy
 
|shrub architecture=branched;single-stemmed
 
|shrub reproduction=dioecious
 
|shrub some measurement=0m;1m
 
|strip length or size=long
 
|strip shape=ragged
 
|tree architecture=branched;single-stemmed
 
|tree reproduction=dioecious
 
|tree some measurement=0m;1m
 
|year count=1
 
 
}}<!--
 
}}<!--
  
 
-->[[Category:Treatment]][[Category:Juniperus sect. Sabina]]
 
-->[[Category:Treatment]][[Category:Juniperus sect. Sabina]]

Revision as of 13:21, 27 July 2019

Shrubs or trees dioecious, to 8 m, single-stemmed to 1 m or branched at base; crown flattened-globose to irregular to round. Bark gray to brown, exfoliating in long ragged strips, that of small branchlets (5–10 mm diam.) smooth, that of larger branchlets exfoliating in strips, or occasionally in flakes. Branches spreading to ascending; branchlets erect, 3–4-sided in cross section, ca. 2/3 as wide as length of scalelike leaves. Leaves green to light green, abaxial glands elliptic to ovate, at least 1/4 of glands (on whip leaves) with an evident white crystalline exudate, margins denticulate (at 20×); whip leaves 4–6 mm, glaucous adaxially; scalelike leaves 1–3 mm, not overlapping or if so, by less than 1/4 their length, keeled, apex acute, spreading. Seed cones maturing in 1 year, of 1 size, with straight peduncles, globose to ovoid, 6–7 mm, rose to pinkish but yellow-orange, orange, or dark red beneath glaucous coating, fleshy and somewhat sweet, with 1(–2) seeds. Seeds 4–5 mm.


Habitat: Bouteloua grasslands and adjacent rocky slopes
Elevation: 980–1600(–2200) m

Distribution

V2 49-distribution-map.gif

Ariz., N.Mex., Tex., Mexico.

Discussion

Roseberry juniper is unusual in that it sprouts from the stump after burning or cutting. Hybridization with Juniperus pinchotii occurs in Big Bend National Park, Texas (R. P. Adams and J. R. Kistler 1991), and possibly near Saltillo, Mexico. Reports of hybridization with J. ashei have been refuted (R. P. Adams 1975).

Selected References

None.

Lower Taxa

None.