Chamaecyparis lawsoniana

(A. Murray bis) Parlatore

Ann. Mus. Imp. Fis. Firenze n.s. 1: 181. [preprint p. 29]. 1864.

Common names: Port-Orford-cedar ginger-pine
Endemic
Basionym: Cupressus lawsoniana A. Murray bis Edinburgh New Philos. J., ser. 2, 1: 299, plate 10. 1855
Treatment appears in FNA Volume 2.

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.
... more about "Chamaecyparis lawsoniana"
Acute (?) +  and Acuminate (?) +
David C. Michener +
(A. Murray bis) Parlatore +
long-lived +
reddish-brown +
divided +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
Cupressus lawsoniana +
rhombic +  and terete +
inconspicuous +  and undifferentiated +
Port-Orford-cedar +  and ginger-pine +
0.4 cm4 mm <br />0.004 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Calif. +  and Oreg. +
0–1500 m +
Forests of the Coast Ranges with isolated inland populations at higher elevations in the Siskiyou Mountains and on Mt. Shasta +
decurrent +  and scale-like +
petioled +, sessile +, twisted +  and simple +
overlapping +  and opposite +
persisting +
3 (?) +  and 5 (?) +
scale-like +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
spheric;oblong +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Ann. Mus. Imp. Fis. Firenze +
rounded +
fibrous;woody +
peltate +  and complex +
cuneate +  and oblong +
fleshy +  and woody +
overlapping +
persistent +
basifixed +
1 +  and 2 +
purplish;reddish-brown +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
2 +  and 4 +
lenticular +
flattened +  and fan--shaped +
Chamaecyparis lawsoniana +
Chamaecyparis +
species +
flattened +, angled +  and terete +
asymmetric +  and symmetric +
broader +