TREATMENT FROM THE JEPSON MANUAL (1993) |
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©Copyright 1993 by the Regents of the University of California
For up-to-date information about California vascular plants, visit the Jepson eFlora. |
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY |
Shrub, tree, evergreen, monoecious or dioecious
Leaves cauline, opposite and 4-ranked or whorled in 3's and 6-ranked, generally scale-like, decurrent, completely covering young stems
Pollen cone small, axillary or terminal
Seed cone ± fleshy to woody, generally hard at maturity; scales opposite or whorled
Seeds 1many per scale, generally angled or winged, generally wind-dispersed
Genera in family: 17 genera, ± 120 species: worldwide; all North America genera cultivated
Reference: [Elias 1980 Complete Trees North America]
Juvenile leaves needle- or awl-like, sometimes present in ± mature plants, especially in response to grazing or infection, especially in Cupressus, Juniperus.
Large shrub, tree, often pyramidal in youth, monoecious
Stem: young shoots generally cylindric (sometimes 4-angled or flat), generally arrayed in 3-dimensional clusters
Leaves opposite, 4-ranked, scale-like, closely appressed, overlapping
Pollen cone generally yellow
Seed cone 650 mm, woody, ± spheric to widely cylindric, maturing 1st or 2nd year, often closed > 2 years; scales 612, peltate, abutting, shield- or wedge-shaped; projection often present, small, pointed, generally less visible in age
Seeds 2many per scale, flat, winged; cotyledons 25
Chromosomes: 2n=22 for all reports
Species in genus: ± 22 species: w North America, Eurasia
Etymology: (Latin: cypress)
Reference: [Wolf 1948 Aliso 1:1250]
Native |
Tree 2030 m, pyramidal in youth
Stem: trunk < 6 m diam; bark 12 cm thick, gray to purple-brown, fissured, scaly; young shoots ± 4-sided, arrayed in flat, pendent clusters
Leaf green, not glaucous; glands generally obscure; lateral leaf tips generally parallel to axis of attachment or diverging
Pollen cone 23 mm, 23 mm diam, spheric; scales 45; pollen sacs 2 per scale
Seed cone 612 mm, spheric, ash-gray; scales generally 46, projection ± 0
Seeds 25 per scale, 34 mm, brown to red-brown
Ecology: Cool, moist, forested, well-drained mtn slopes
Elevation: 6502500 m.
Bioregional distribution: Klamath Ranges
Distribution outside California: to Alaska
Synonyms: Chamaecyparis n. (D. Don) Spach