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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Shrub, tree, evergreen; monoecious.
Stem: young crown conic; twig not grooved, resinous, generally persistent.
Leaf: simple, generally alternate, sometimes in bundles or appearing ± 2-ranked, linear or awl-like; base decurrent, woody or not, persistent several yrs.
Pollen cone: generally < 6 cm, not woody, deciduous.
Seed cone: generally woody; bracts, scales generally persistent; scale not peltate, fused to or free from subtending bract.
Seed: 2, on scale base adaxially.
10 genera, 193 species: generally n hemisphere; many of great commercial value, supplying > 1/2 of world's timber. —Scientific Editors: Thomas J. Rosatti, Bruce G. Baldwin.
Unabridged references: [Thieret 1993 FNANM 2:352–398]
Key to Pinaceae
Key to Tsuga
Stem: crown conic, top slender, generally nodding; branches ± drooping; bark red-brown; twig with persistent, peg-like leaf bases, hairy or puberulent; bud ovoid.
Leaf: 5–25 mm, tapered to a short petiole above persistent base, spreading, ± 2-ranked or not, ± flat, grooved adaxially or not, ridged abaxially.
Seed cone: pendent, 1.2–7.5 cm, ovoid to oblong, opening 1st yr; stalk ± 0; bract included, free from scale.
Seed: plus wing < 2 cm.
10 species: n hemisphere. (Japanese: hemlock)
Stem: trunk < 35 m, 2.2 m wide, prostrate at timberline; mature bark red- or purple-brown, with narrow grooves between narrow ridges; twig puberulent.
Leaf: 10–25 mm, persistent < 7 yrs, tip rounded.
Subalpine, some scattered in cold areas of red-fir, mixed-conifer forest; 1200–3500 m. Klamath Ranges, High North Coast Ranges, High Cascade Range, High Sierra Nevada, Modoc Plateau, n East of Sierra Nevada;
Previous taxon: Tsuga heterophylla
Next taxon: Taxaceae
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
Copyright © 2012 Regents of the University of California
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|Bioregions in which taxon occurs||Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.|
Chart based on elevation range in Manual and elevations and coordinates of CCH records.
Data provided by the participants of the Consortium of California Herbaria.
Note: About half of the CCH records include both elevation and coordinates.
| Data provided by the participants of the Consortium of California Herbaria.
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