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Jepson Interchange (more information)
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CUPRESSACEAE

CYPRESS FAMILY

Jim A. Bartel

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 1–many 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.

CUPRESSUS

CYPRESS

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 6–50 mm, woody, ± spheric to widely cylindric, maturing 1st or 2nd year, often closed > 2 years; scales 6–12, peltate, abutting, shield- or wedge-shaped; projection often present, small, pointed, generally less visible in age
Seeds 2–many per scale, flat, winged; cotyledons 2–5
Chromosomes: 2n=22 for all reports
Species in genus: ± 22 species: w North America, Eurasia
Etymology: (Latin: cypress)
Reference: [Wolf 1948 Aliso 1:1–250]

Native

C. abramsiana C.B. Wolf

SANTA CRUZ CYPRESS

Tree 5–7 m
Stem: bark fibrous, thin, broken in thick vertical strips or plates, gray; young shoots 1–1.5 mm diam, cylindric
Leaf light bright green
Pollen cone 3–4 mm, 2 mm diam, ± 4-sided; scales 10–16; pollen sacs 4–6 per scale
Seed cone generally 15–30 mm, spheric to generally widely elliptic, brown; scales 8–10, projection 2 mm
Seed 3–5 mm, dull brown, glaucous or not, rough; attachment scar conspicuous
Ecology: Yellow-pine, closed-cone-pine/cypress forests
Elevation: 450–800 m.
Bioregional distribution: San Francisco Bay Area (Santa Cruz Mtns).Threatened by development, agriculture.
See the CNPS Inventory for information about endangerment and rarity.
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bioregional map for CUPRESSUS%20abramsiana being generated
 


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