Abies durangensis
Abies durangensis - Durango fir description
Scientific name: Abies durangensis Martínez 1942
Synonyms: Abies durangensis subsp. neodurangensis (Debreczy, I.Rácz & R.M.Salazar) Silba, Abies durangensis var. durangensis, Abies neodurangensis Debreczy, I.Rácz & R.M.Salazar
Infraspecific taxa: Abies durangensis var. coahuilensis (I.M.Johnst.) Martínez 1963
Common names: Durango fir, Abete de Durango (Spanish)
Description
Tree to (20-)40 m tall, with trunk to 1(-1.5) m in diameter. Bark gray, darkening, reddening, and becoming deeply furrowed with age. Branchlets hairless or with short hairs in the deep grooves between the leaf bases. Buds 4-5 mm long, resin-coated. Needles arranged to the sides of and angled forward above the twigs, (1.5-)2.5-5(-6.5) cm long, shiny light green above, the tip rounded or bluntly pointed. Individual needles flat or a little plump in cross section and with a resin canal on either side touching the lower epidermis near the edge, without stomates above or with (one to) three to five incomplete lines of stomates in the groove near the tip and with 4-10 lines in each white stomatal band beneath. Pollen cones 10-20 mm long, purplish red. Seed cones cylindrical, 5-9(-11) cm long, 3-4(-4.5) cm across, green when young, maturing yellowish brown. Bracts from half as long as the hairy seed scales and hidden by them to about as long and peeking up between them. Persistent cone axis narrowly cylindrical. Seed body 6-8(-10) mm long, the wing 1.5-2 times as long. Cotyledons five to eight.
Northwestern and north-central Mexico from Chihuahua and Coahuila to northwestern Michoacán. Mixed with pines (Pinus), oaks (Quercus), and other conifers and hardwoods on deep, moist, rich soils of mountain ravines and canyons; (1,450-)1,800-2,500(-2,900) m. The climate is moist and cool, especially on N-facing slopes.
Conservation Status
Red List Category & Criteria: Least Concern
Varieties: -
Attribution from: Conifers Garden