|Jepson Flora Project: Jepson Interchange|
|TREATMENT FROM THE JEPSON MANUAL (1993)||
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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
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]
Tree 57 mSee the CNPS Inventory for information about endangerment and rarity.
Stem: bark fibrous, thin, broken in thick vertical strips or plates, gray; young shoots 11.5 mm diam, cylindric
Leaf light bright green
Pollen cone 34 mm, 2 mm diam, ± 4-sided; scales 1016; pollen sacs 46 per scale
Seed cone generally 1530 mm, spheric to generally widely elliptic, brown; scales 810, projection 2 mm
Seed 35 mm, dull brown, glaucous or not, rough; attachment scar conspicuous
Ecology: Yellow-pine, closed-cone-pine/cypress forests
Elevation: 450800 m.
Bioregional distribution: San Francisco Bay Area (Santa Cruz Mtns).Threatened by development, agriculture.