Difference between revisions of "Chamaecyparis lawsoniana"
Ann. Mus. Imp. Fis. Firenze n.s. 1: 181. [preprint p. 29]. 1864.
Common names: Port-Orford-cedar ginger-pine
Basionym: Cupressus lawsoniana A. Murray bis
Treatment appears in FNA Volume 2.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Trees </b>to 50 m; trunk to 3 m diam. <b>Bark</b> reddish brown, 10–20(–25) cm thick, divided into broad, rounded ridges. <b>Branchlet</b> sprays predominantly pinnate. <b>Leaves</b> of branchlets mostly 2–3 mm, apex acute to acuminate, facial leaves frequently separated by paired bases of lateral leaves; glands usually present, linear. <b>Pollen</b> cones 2–4 mm, dark brown; pollen sacs red. <b>Seed</b> cones maturing and opening first year, 8–12 mm broad, glaucous, purplish to reddish brown, not notably resinous; scales 5–9. <b>Seeds</b> 2–4 per scale, 2–5 mm, wing equal to or broader than body. <b>2n</b> = 22.</span><!-- |
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| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna- | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_327.xml |
|genus=Chamaecyparis | |genus=Chamaecyparis | ||
|species=Chamaecyparis lawsoniana | |species=Chamaecyparis lawsoniana | ||
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Revision as of 13:17, 27 July 2019
Trees to 50 m; trunk to 3 m diam. Bark reddish brown, 10–20(–25) cm thick, divided into broad, rounded ridges. Branchlet sprays predominantly pinnate. Leaves of branchlets mostly 2–3 mm, apex acute to acuminate, facial leaves frequently separated by paired bases of lateral leaves; glands usually present, linear. Pollen cones 2–4 mm, dark brown; pollen sacs red. Seed cones maturing and opening first year, 8–12 mm broad, glaucous, purplish to reddish brown, not notably resinous; scales 5–9. Seeds 2–4 per scale, 2–5 mm, wing equal to or broader than body. 2n = 22.
Habitat: Forests of the Coast Ranges with isolated inland populations at higher elevations in the Siskiyou Mountains and on Mt. Shasta
Elevation: 0–1500 m
Discussion
A. J. Rehder (1949) listed, with bibliographic citations, 66 published varieties and forms best considered as cultivars.
Selected References
None.
Lower Taxa
None.