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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 years. 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 northern 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
Stem: young crown conic; branches ± whorled in young plants, smaller ± drooping; young bark smooth, with resin blisters, mature thick, deep-furrowed, dark brown; twig without persistent, peg-like leaf bases; leaf scars ± smooth, ± elliptic; bud < 15 mm, fusiform. Leaf: persistent < 8 years, 2–4.5 cm, tapered to a short petiole above persistent base, ± spreading, ± flat, with 2 ± white bands abaxially. Seed cone: pendent, 4–20 cm, maturing 1st year, persistent or not; stalk < 2 cm; bract exserted, 3-toothed or -lobed, free from scale. Seed: plus wing < 25 mm.Key to Pseudotsuga
4 species: North America, Asia. (Latin, Japanese: false hemlock)
Previous taxon: Pinus torreyana subsp. torreyana
Next taxon: Pseudotsuga macrocarpa
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Sep 4 2015
Citation for this treatment: [Author of taxon treatment] 2013. Pseudotsuga, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=10030, accessed on Sep 4 2015
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