(image from wikimedia.commons.org)

Calocedrus decurrens

Evergreen, coniferous, Cupressaceae

Common name: incense cedar

Hardiness: 6

Mature ht and spread: 8-15 m tall, 2-4 m wide

Form: columnar, conic

Conditions: full sun, well drained, moist soil, tolerates urban conditions, summer drought, nutrient poor soil, wind etc., flexible branches to tolerate snow, sun adapted conifer

Leaf: scaly aromatic, bright green, flattened fan like branchlets, decurrent scales

Fall: none

Flower: none

Cone: decussate scales on cone, single pair of scales surrounding axis, long pale green or yellow, similar to thuja plicata

Limits: none

Suitable uses: specimen, accent, hedge

Native to: mountains of Cali and Oregon, Baja California

(image from wikimedia.commons.org)

Araucaria araucana (likely not on exam)

Evergreen, Araucariaceae

Common name: monkey puzzle tree

Hardiness: 8

Mature ht and spread: 6-10 m tall, 3-5 m wide

Form: cylindric-conic, rounded with age, stiff tiers or whorled branches

Conditions: sun, well drained soil, rich, moisture retentive soil, tolerates wind, summer drought

Leaf: dark green, pointed, spirally arranged, scale like leaves

Fall: none

Flower: none

Cone: male-drooping cones, female-huge globose seed cones, volleyball sized

Limits: intolerant of shade, atmospheric pollution, poor drainage, difficult to grow

Suitable uses: specimen

Native to: southern Chile, Argentina