Jepson eFlora: Key page
Vascular Plants of California
Key to families | Table of families and genera
    Index to accepted names and synonyms:
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Key to Pinaceae

View taxon page for Pinaceae

 

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Leaves in bundles of (1)2–5 (generally 1 in Pinus monophylla, but then ± round in section, vs leaves ± flat under 1'), generally 2.5–35 cm, base in scaly seed cone  fused to  at least basally, , inconspicuous ..... PINUS

1' Leaves not in bundles, 0.5–9 cm, base not in scaly sheath; seed cone bract generally ± free from scale (± fused in Abies),  or included, conspicuous

2. Twig without persistent, peg-like  bases; seed cone scalesbracts deciduousaxis persistent on stem, ultimately falling ..... ABIES

2' Twig with or without persistent, peg-like leaf bases; seed cone pendent, scales, bracts, axis persistent on stem, ultimately falling as unit

3. Twig without persistent, peg-like leaf bases; seed cone 4–20 cm, bracts exserted, 3-toothed or -lobed ..... PSEUDOTSUGA

3' Twig with persistent, peg-like leaf bases; seed cone 1.2–12 cm, bracts included,  or 

4. Leaf tip blunt to , persistent base , peg-like; seed cone 5–12 cm ..... PICEA

4' Leaf tip generally blunt, persistent base , wedge or scale-like; seed cone 1.2–7.5 cm ..... TSUGA

 

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Citation for the whole project: Jepson Flora Project (eds.) . Jepson eFlora, http://ucjeps.berkeley.edu/eflora/ [accessed on ]

Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on .

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