Pseudotsuga macrocarpa

(Vasey) Mayr

Wald. Nordamer. 278, plates 6, 8, 9. 1890

Common names: Bigcone Douglas-fir bigcone-spruce
Endemic
Basionyms: Abies macrocarpa Vasey Gard. Monthly & Hort. 18: 21. 1876 (Jan.)
Synonyms: Pseudotsuga californica Flous Pseudotsuga douglasii var. macrocarpa (Vasey) Engelmann
Treatment appears in FNA Volume 2.

Trees to 44m; trunk to 2.3m diam.; crown broadly conic. Twigs slender, glabrous or pubescent. Leaves (20–)25–45 × 1–1.5mm, bluish green, apex mucronulate. Pollen cones pale yellow. Seed cones 9–20 × 4–7cm. Seeds 9–12mm. 2n =24.


Habitat: Slopes, cliffs, and canyons, in chaparral and mixed coniferous forests
Elevation: 200–2400m

Discussion

Pseudotsuga macrocarpa, a tree of scattered occurrence and of no concern for timber, is valuable for esthetics and watershed protection. The northernmost stands of the species, in Kern County, are about 35 kilometers east of the closest approach of P. menziesii.

Lower Taxa

None.

... more about "Pseudotsuga macrocarpa"
Barney Lipscomb +
(Vasey) Mayr +
Abies macrocarpa +
Bigcone Douglas-fir +  and bigcone-spruce +
200–2400m +
Slopes, cliffs, and canyons, in chaparral and mixed coniferous forests +
Wald. Nordamer. +
minnich1982a +
Pseudotsuga californica +  and Pseudotsuga douglasii var. macrocarpa +
Pseudotsuga macrocarpa +
Pseudotsuga +
species +