Difference between revisions of "Callitris"

Ventenat

Dec. Gen. Nov. 10. 1808.

Common names: Cypress-pine
Etymology: Greek callos, beautiful, and treis, three, referring to the beauty of the plants and the three-whorled leaves and cone scales
Treatment appears in FNA Volume 2.
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--><span class="statement" id="st-d0_s0" data-properties="shrub duration;tree duration"><b>Shrubs </b>or trees evergreen.</span> <span class="statement" id="st-d0_s1" data-properties="branchlet shape;branchlet shape;branchlet orientation"><b>Branchlets </b>angled or furrowed-cylindrical, variously oriented.</span> <span class="statement" id="st-d0_s2" data-properties=""><b>Leaves </b>in whorls of 3–5.</span> <span class="statement" id="st-d0_s3" data-properties="leaf life cycle;leaf shape;leaf fixation or orientation;abaxial surface shape;abaxial surface shape;portion fusion;portion some measurement;abaxial gland count"><b>Adult </b>leaves scalelike, appressed, abaxial surface keeled or rounded, free portion to 1 mm, abaxial glands absent.</span> <span class="statement" id="st-d0_s4" data-properties="pollen cone architecture or arrangement or growth form;pollen cone architecture or arrangement or growth form;whorl count;pollen-sac count"><b>Pollen </b>cones solitary or in small clusters, with 4–15 whorls of sporophylls, each with 2–4 pollen-sacs.</span> <span class="statement" id="st-d0_s5" data-properties="seed-cone life cycle;seed-cone architecture;seed-cone shape;seed-cone shape;seed-cone distance;year count;year count"><b>Seed-</b>cones maturing in 1–2 years, of 1–2 sizes, often remaining unopened for many years, ovoid or globose, 1–3.5 cm;</span> <span class="statement" id="st-d0_s6" data-properties="scale duration;scale arrangement or dehiscence;scale shape;scale fixation;scale width;scale texture;whorl count;whorl position">scales persistent, in 2 equally inserted whorls of 3 (–4), valvate, rhombic-deltate, basifixed, thick and woody.</span> <span class="statement" id="st-d0_s7" data-properties="seed count;seed shape;seed shape;seed architecture"><b>Seeds </b>2–9 per scale, round or 3-angled, broadly 1–3-winged;</span> <span class="statement" id="st-d0_s8" data-properties="cotyledon count">cotyledons 2.</span><!--
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--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>or trees evergreen. <b>Branchlets</b> angled or furrowed-cylindrical, variously oriented. <b>Leaves</b> in whorls of 3–5. <b>Adult</b> leaves scalelike, appressed, abaxial surface keeled or rounded, free portion to 1 mm, abaxial glands absent. <b>Pollen</b> cones solitary or in small clusters, with 4–15 whorls of sporophylls, each with 2–4 pollen sacs. <b>Seed</b> cones maturing in 1–2 years, of 1–2 sizes, often remaining unopened for many years, ovoid or globose, 1–3.5 cm; scales persistent, in 2 equally inserted whorls of 3(–4), valvate, rhombic-deltate, basifixed, thick and woody. <b>Seeds</b> 2–9 per scale, round or 3-angled, broadly 1–3-winged; cotyledons 2.</span><!--
  
 
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|publication year=1808
 
|publication year=1808
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_85.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_85.xml
 
|genus=Callitris
 
|genus=Callitris
|abaxial gland count=absent
 
|abaxial surface shape=rounded;keeled
 
|branchlet orientation=oriented
 
|branchlet shape=furrowed-cylindrical;angled
 
|cotyledon count=2
 
|leaf fixation or orientation=appressed
 
|leaf life cycle=adult
 
|leaf shape=scalelike
 
|pollen cone architecture or arrangement or growth form=in small clusters;solitary
 
|pollen-sac count=2;4
 
|portion fusion=free
 
|portion some measurement=0mm;1mm
 
|scale arrangement or dehiscence=valvate
 
|scale duration=persistent
 
|scale fixation=basifixed
 
|scale shape=rhombic-deltate
 
|scale texture=woody
 
|scale width=thick
 
|seed architecture=1-3-winged
 
|seed count=2;9
 
|seed shape=3-angled;round
 
|seed-cone architecture=unopened
 
|seed-cone distance=1cm;3.5cm
 
|seed-cone life cycle=maturing
 
|seed-cone shape=globose;ovoid
 
|shrub duration=evergreen
 
|tree duration=evergreen
 
|whorl count=2;4;15
 
|whorl position=inserted
 
|year count=many;1;2
 
 
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Latest revision as of 21:25, 5 November 2020

Shrubs or trees evergreen. Branchlets angled or furrowed-cylindrical, variously oriented. Leaves in whorls of 3–5. Adult leaves scalelike, appressed, abaxial surface keeled or rounded, free portion to 1 mm, abaxial glands absent. Pollen cones solitary or in small clusters, with 4–15 whorls of sporophylls, each with 2–4 pollen sacs. Seed cones maturing in 1–2 years, of 1–2 sizes, often remaining unopened for many years, ovoid or globose, 1–3.5 cm; scales persistent, in 2 equally inserted whorls of 3(–4), valvate, rhombic-deltate, basifixed, thick and woody. Seeds 2–9 per scale, round or 3-angled, broadly 1–3-winged; cotyledons 2.

Distribution

North America, Australia, and New Caledonia.

Discussion

Species 16 (1 naturalized in the flora).

... more about "Callitris"
Richard P. Wunderlin +
Ventenat +
Cypress-pine +
North America +, Australia +  and and New Caledonia. +
Greek callos, beautiful, and treis, three, referring to the beauty of the plants and the three-whorled leaves and cone scales +
Dec. Gen. Nov. +
blake1959a +, garden1957a +, thompson1961a +  and thompson1986a +
Callitris +
Cupressaceae +