Cupressaceae Calocedrus Decurrens Incense Cedar

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Cupressaceae Calocedrus decurrens incense cedar Sight ID characteristics • scale leaves lustrous, decurrent, much longer than wide • laterals nearly enclosing facials • seed cone with 3 pairs of scale/bract and one central 11 NOTES AND SKETCHES 12 Cupressaceae Chamaecyparis lawsoniana Port Orford cedar Sight ID characteristics • scale leaves with glaucous bloom • tips of laterals on older stems diverging from branch (not always too obvious) • prominent white “x” pattern on underside of branchlets • globose seed cones with 6-8 peltate cone scales – no boss on apophysis 13 NOTES AND SKETCHES 14 Cupressaceae Chamaecyparis thyoides Atlantic white cedar Sight ID characteristics • branchlets slender, irregularly arranged (not in flattened sprays). • scale leaves blue-green with white margins, glandular on back • laterals with pointed, spreading tips, facials closely appressed • bark fibrous, ash-gray • globose seed cones 1/4, 4-5 scales, apophysis armed with central boss, blue/purple and glaucous when young, maturing in fall to red-brown 15 NOTES AND SKETCHES 16 Cupressaceae Callitropsis nootkatensis Alaska yellow cedar Sight ID characteristics • branchlets very droopy • scale leaves more or less glabrous – little glaucescence • globose seed cones with 6-8 peltate cone scales – prominent boss on apophysis • tips of laterals tightly appressed to stem (mostly) – even on older foliage (not always the best character!) 15 NOTES AND SKETCHES 16 Cupressaceae Taxodium distichum bald cypress Sight ID characteristics • buttressed trunks and knees • leaves linear, distichous • deciduous - leaves usually shed as a branchlet • branchlets (and leaves) alternately arranged • seed cone round - does not open to release seeds – rather disintegrates/rots to release seeds. 19 NOTES AND SKETCHES 20 Cupressaceae Native to south-central Metasequoia glyptostroboides China dawn redwood ! widely cultivated Sight ID characteristics • leaves linear, opposite • deciduous – leaves usually shed as a branchlet • branchlets opposite on determinate short shoots • seed cone with 4 rows of oppositely arranged bract/scales 21 NOTES AND SKETCHES 22 Cupressaceae Sequoia sempervirens coast redwood Sight ID characteristics • two types of leaves – sun and shade • shade leaves green above, two white stomatal bands below • evergreen • terminal bud scars demarcate obvious branchlets - leaves shed in branchlets • thick fibrous, bark (12” thick) • 1” seed cone with spirally arranged, peltate bract/scales 23 NOTES AND SKETCHES 24 Cupressaceae Sequoiadendron giganteum California big tree, giant sequoia Sight ID characteristics • leaves subulate, overlapping, blueish green “metallic green” • seed cones 2.5” long with spirally arranged, peltate bract/scales • seeds with reddish pigment (powder) 25 NOTES AND SKETCHES 26.

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