Difference between revisions of "Juniperus deppeana var. deppeana"

Steudel
Treatment appears in FNA Volume 2.
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--><span class="statement" id="st-d0_s0" data-properties="tree reproduction;tree atypical some measurement;tree some measurement;tree architecture"><b>Trees </b>dioecious, to 10–15 (–30) m, single-stemmed;</span> <span class="statement" id="st-d0_s1" data-properties="crown shape">crown rounded.</span> <span class="statement" id="st-d0_s2" data-properties="bark coloration;bark relief;bark architecture or pubescence or relief;bark relief;plate shape;branchlet size"><b>Bark </b>brown, exfoliating in rectangular plates (rarely in thin strips in f. sperryi, but then branchlets flaccid), that of small branchlets (5–10 mm diam.) smooth, that of larger branchlets exfoliating in plates.</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;branchlet texture;cross-section count;cross-section count;leaf shape">branchlets erect, rarely flaccid, 3–4-sided in cross-section, ca. 2/3 or less as wide as length of scalelike leaves.</span> <span class="statement" id="st-d0_s5" data-properties="abaxial gland coloration;abaxial gland pubescence;abaxial exudate shape;abaxial exudate shape;abaxial exudate prominence;abaxial exudate coloration;abaxial exudate pubescence;abaxial margin shape;abaxial margin shape;abaxial margin prominence;abaxial margin count;abaxial margin coloration;abaxial margin pubescence"><b>Leaves </b>green, but sometimes appearing silvery when glaucous, abaxial gland ovate to elliptic, conspicuous, exudate absent, margins denticulate (at 20×);</span> <span class="statement" id="st-d0_s6" data-properties="leaf coloration;leaf shape;leaf some measurement;leaf pubescence">whip leaves 3–6 mm, not glaucous adaxially;</span> <span class="statement" id="st-d0_s7" data-properties="leaf shape;leaf some measurement;leaf arrangement;leaf shape;apex shape;apex shape;apex shape;apex fixation or orientation">scalelike leaves 1–2 mm, not overlapping, keeled, apex acute to mucronate, appressed.</span> <span class="statement" id="st-d0_s8" data-properties="seed-cone life cycle;seed-cone shape;seed-cone distance;seed-cone coloration;seed-cone coloration;seed-cone coloration;seed-cone pubescence;seed-cone texture;seed-cone texture;seed-cone texture;peduncle course;peduncle course;peduncle course;seed atypical count;seed atypical count;seed count"><b>Seed-</b>cones maturing in 2 years, of 2 distinct sizes, with straight to curved peduncle, globose, 8–15 mm, reddish tan to dark reddish-brown, glaucous, fibrous to obscurely woody, with (3–) 4–5 (–6) seeds.</span> <span class="statement" id="st-d0_s9" data-properties="seed some measurement"><b>Seeds </b>6–9 mm.</span><!--
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--><span class="statement" id="st-undefined" data-properties=""><b>Trees </b>dioecious, to 10–15(–30) m, single-stemmed; crown rounded. <b>Bark</b> brown, exfoliating in rectangular plates (rarely in thin strips in f. sperryi, but then branchlets flaccid), that of small branchlets (5–10 mm diam.) smooth, that of larger branchlets exfoliating in plates. <b>Branches</b> spreading to ascending; branchlets erect, rarely flaccid, 3–4-sided in cross section, ca. 2/3 or less as wide as length of scalelike leaves. <b>Leaves</b> green, but sometimes appearing silvery when glaucous, abaxial gland ovate to elliptic, conspicuous, exudate absent, margins denticulate (at 20×); whip leaves 3–6 mm, not glaucous adaxially; scalelike leaves 1–2 mm, not overlapping, keeled, apex acute to mucronate, appressed. <b>Seed</b> cones maturing in 2 years, of 2 distinct sizes, with straight to curved peduncle, globose, 8–15 mm, reddish tan to dark reddish brown, glaucous, fibrous to obscurely woody, with (3–)4–5(–6) seeds. <b>Seeds</b> 6–9 mm.</span><!--
  
 
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|publication year=
 
|publication year=
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_710.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_710.xml
 
|genus=Juniperus
 
|genus=Juniperus
 
|section=Juniperus sect. Sabina
 
|section=Juniperus sect. Sabina
 
|species=Juniperus deppeana
 
|species=Juniperus deppeana
 
|variety=Juniperus deppeana var. deppeana
 
|variety=Juniperus deppeana var. deppeana
|abaxial exudate coloration=silvery
 
|abaxial exudate prominence=conspicuous
 
|abaxial exudate pubescence=glaucous
 
|abaxial exudate shape=elliptic;ovate
 
|abaxial gland coloration=silvery
 
|abaxial gland pubescence=glaucous
 
|abaxial margin coloration=silvery
 
|abaxial margin count=absent
 
|abaxial margin prominence=conspicuous
 
|abaxial margin pubescence=glaucous
 
|abaxial margin shape=elliptic;ovate
 
|apex fixation or orientation=appressed
 
|apex shape=acute;mucronate
 
|bark architecture or pubescence or relief=smooth
 
|bark coloration=brown
 
|bark relief=exfoliating;exfoliating
 
|branch orientation=spreading;ascending
 
|branchlet orientation=erect
 
|branchlet size=small
 
|branchlet texture=flaccid
 
|cross-section count=less;2/3
 
|crown shape=rounded
 
|leaf arrangement=not overlapping
 
|leaf coloration=green
 
|leaf pubescence=glaucous
 
|leaf shape=keeled;scalelike;denticulate;scalelike
 
|leaf some measurement=1mm;2mm
 
|peduncle course=straight;curved
 
|plate shape=rectangular
 
|seed atypical count=5;6
 
|seed count=4;5
 
|seed some measurement=6mm;9mm
 
|seed-cone coloration=reddish tan;dark reddish-brown
 
|seed-cone distance=8mm;15mm
 
|seed-cone life cycle=maturing
 
|seed-cone pubescence=glaucous
 
|seed-cone shape=globose
 
|seed-cone texture=fibrous;obscurely woody
 
|tree architecture=single-stemmed
 
|tree atypical some measurement=15m;30m
 
|tree reproduction=dioecious
 
|tree some measurement=10m;15m
 
 
}}<!--
 
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-->[[Category:Treatment]][[Category:Juniperus deppeana]]
 
-->[[Category:Treatment]][[Category:Juniperus deppeana]]

Revision as of 14:26, 27 July 2019

Trees dioecious, to 10–15(–30) m, single-stemmed; crown rounded. Bark brown, exfoliating in rectangular plates (rarely in thin strips in f. sperryi, but then branchlets flaccid), that of small branchlets (5–10 mm diam.) smooth, that of larger branchlets exfoliating in plates. Branches spreading to ascending; branchlets erect, rarely flaccid, 3–4-sided in cross section, ca. 2/3 or less as wide as length of scalelike leaves. Leaves green, but sometimes appearing silvery when glaucous, abaxial gland ovate to elliptic, conspicuous, exudate absent, margins denticulate (at 20×); whip leaves 3–6 mm, not glaucous adaxially; scalelike leaves 1–2 mm, not overlapping, keeled, apex acute to mucronate, appressed. Seed cones maturing in 2 years, of 2 distinct sizes, with straight to curved peduncle, globose, 8–15 mm, reddish tan to dark reddish brown, glaucous, fibrous to obscurely woody, with (3–)4–5(–6) seeds. Seeds 6–9 mm.


Habitat: Rocky soils, slopes, and mountains
Elevation: 2000–2900 m

Distribution

V2 710-distribution-map.gif

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

Discussion

Although four additional varieties are found in Mexico, the relationships among the J. deppeana taxa are poorly understood and need additional study (R. P. Adams et al. 1984). The very rare J. deppeana Steudel var. deppeana forma sperryi (Correll) R. M. Adams (= J. deppeana Steudel var. sperryi Correll) is endemic to the Davis Mountains, Texas, where only two or three individuals are known to exist. This form is characterized by bark that exfoliates in thin strips and by flaccid branchlets.

Selected References

None.

Lower Taxa

None.