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.

"thick" is not a number.

... 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 +
spreading +  and appressed +
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 +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
flattened +  and fan--shaped +
Chamaecyparis lawsoniana +
Chamaecyparis +
species +
flattened +, angled +  and terete +
asymmetric +  and symmetric +
broader +