Cupressaceae Hesperocyparis arizonica Arizona cypress

Sight ID characteristics • grayish-green scale-like leaves, resinous gland, opposite and decussate, branchlets square in x-section • fetid odor when crushed • seed cone ca. 1” in diameter, glaucous, apophysis with central boss

27 NOTES AND SKETCHES

28 Cupressaceae Hesperocyparis bakeri Modoc, Baker or Siskiyou cypress

Sight ID characteristics • Branchlets decussate, square in x-section. • Leaves with conspicuous, resinous, slightly glaucous. • Seed cones globose, mostly < 1” in diameter (1-2 cm), silvery, not glaucous; usually covered with resin blisters, umbos often prominent

29 NOTES AND SKETCHES

30 Cupressaceae Hesperocyparis macrocarpa Monterey cypress

Sight ID characteristics • leaves scale-like, green, opposite and decussate, branchlets square in x-section • leaves not glaucous and gland does not produce resin • seed cones large ca. 1.5” – 2” in diameter, not glaucous, apophysis +/- flat at maturity

31 NOTES AND SKETCHES

32 Cupressaceae Juniperus virginiana eastern red cedar

Sight ID characteristics • tree from the Great Plains east • fine, slender branchlets, mostly green, often turning reddish brown in winter • seed cones mature in one year

33 NOTES AND SKETCHES

34 Cupressaceae Juniperus scopulorum rocky mountain juniper

Sight ID characteristics • tree from the Great Plains west • fine, slender branchlets, green to gray-green (glaucous) • seed cones mature in two years (often two sizes present)

35 NOTES AND SKETCHES

36 Cupressaceae Juniperus horizontalis creeping juniper

Sight ID characteristics • low shrub of boreal forests and their edges • fine, slender branchlets, green, turning reddish purple in winter

37 NOTES AND SKETCHES

38 Cupressaceae Juniperus occidentalis western juniper

Sight ID characteristics • tree from east side of Cascades and Sierra Nevada • coarse, thicker branchlets, grey-green • leaves with conspicuous gland and resinous exudate

39 NOTES AND SKETCHES

40 Cupressaceae Juniperus osteosperma Utah juniper

Sight ID characteristics • tree from interior Great Basin and Colorado plateau • coarse, thicker branchlets, yellow-green • leaves without conspicuous gland, no resinous exudate

41 NOTES AND SKETCHES

42 Cupressaceae Juniperus communis common juniper

Sight ID characteristics • low-growing shrub in western N. America, tree in central and eastern N. America • all leaves subulate; green with grey stomatal bands

43 NOTES AND SKETCHES

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