Flora of North America species comparison

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Cupressus arizonica

Cupressus sargentii

Arizona cypress, Arizona smooth cypress, cedro, cedro blanco, ciprés de Arizona, Cuyamaca cypress, Piute cypress

Sargent cypress
Habit Trees to 23 m, shrubby where subject to fires; crown conic at first, broadly columnar with age, dense. Trees to 25 m, but often shrubby and less than 10 m; crown broader than tall or columnar, dense or open.
Bark

smooth at first, remaining so or becoming rough, furrowed, fibrous.

rough, furrowed, fibrous.
Branchlets

decussate, 1.3–2.3 mm diam.

decussate, (1.5–)2–2.5 mm diam.
Leaves

usually with conspicuous, pitlike, abaxial gland that produces drop of resin, often highly glaucous.

usually with inconspicuous, shallow, pitlike, abaxial gland that usually does not produce drop of resin, often glaucous.
Pollen cones

2–5 × 2 mm;

pollen sacs mostly 4–6.

mostly 3–4 × 2 mm;

pollen sacs 3–4.
Seed(s)

cones globose or oblong, mostly 2–3 cm, gray or brown, often glaucous at first;

scales mostly 3–4 pairs, smooth or with scattered resin blisters, sometimes with erect conic umbos to 4 mm, especially on apical scales.

cones usually globose, mostly 2–2.5 cm, brown or gray, not glaucous;

scales mostly 3–4 pairs, with scattered resin blisters, umbos inconspicuous or to 4 mm.
2n

= 22.

Cupressus arizonica

Cupressus sargentii
Habitat Canyon bottoms, pinyon-juniper woodland, chaparral Chaparral, foothill woodland, and lower montane forests, on serpentine
Elevation 750–2000 m (2500–6600 ft) 200–1100 m (700–3600 ft)
Distribution
from FNA
AZ; CA; NM; TX; Mexico
[WildflowerSearch map]
from FNA
CA
[WildflowerSearch map]
Discussion

Bark texture and foliage features have been used to distinguish geographic varieties or segregate species. Although bark texture may be consistent within populations, over the species as a whole there is complete intergradation between smooth and fibrous barks. Various forms are commonly cultivated and sometimes persistent in the southern United States.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 2. FNA vol. 2.
Parent taxa Cupressaceae > Cupressus Cupressaceae > Cupressus
Sibling taxa
C. bakeri, C. goveniana, C. guadalupensis, C. macnabiana, C. macrocarpa, C. sargentii
C. arizonica, C. bakeri, C. goveniana, C. guadalupensis, C. macnabiana, C. macrocarpa
Synonyms C. arizonica var. glabra, C. arizonica var. nevadensis, C. arizonica var. stephensonii, C. glabra, C. nevadensis, C. stephensonii C. sargentii var. duttonii
Name authority Greene: Bull. Torrey Bot. Club 9: 64. (1882) Jepson: Fl. Calif. 1: 61. (1909)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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