CATS New Mexico Tree Identification 3

Question 1

Which juniper species in New Mexico produces seed cones with a reddish-brown, fibrous, and dry (not fleshy) exterior compared to other junipers?

Accepted Answer

One-seed juniper

Answer

One-seed juniper (Juniperus monosperma) cones typically contain a single seed and have a thin, dry, bluish-waxy coating rather than the thick fleshy cones of Utah juniper.

Question 2

Alligator juniper gets its name from its bark. What pattern does this bark display?

Accepted Answer

Checkered squares resembling alligator hide

Answer

Alligator juniper (Juniperus deppeana) has thick, checkered bark broken into square or rectangular plates that closely resemble alligator skin.

Question 3

A New Mexico tree with smooth, chalky white bark on upper branches and dark furrowed lower trunk is most likely:

Accepted Answer

Arizona sycamore

Answer

Arizona sycamore (Platanus wrightii) has a two-toned trunk — patchy white and cream upper bark exfoliating to reveal lighter layers, contrasting with darker lower trunk.

Question 4

Which tree's foliage turns golden yellow in fall, is dioecious, and produces catkin-like flowers in riparian zones of northern New Mexico?

Accepted Answer

Fremont cottonwood

Answer

Fremont cottonwood (Populus fremontii) is dioecious, produces catkins before leaves emerge, and provides brilliant yellow fall color along New Mexico's Rio Grande corridor.

Question 5

An arborist in the Jemez Mountains notices a tree with 5-needled bundles, white-striped needle undersides, and cones 5–10 inches long. This is most likely:

Accepted Answer

Southwestern white pine

Answer

Southwestern white pine (Pinus strobiformis) has 5-needle bundles, long cylindrical cones, and is the primary 5-needle pine of New Mexico's southern Rocky Mountains.

(CATS) Certified Arborist Tree Service of Albuquerque Practice Test

(CATS) Certified Arborist Tree Service of Albuquerque Practice Test

CATS New Mexico Tree Identification 3