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Key to families | Table of families and genera
Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.
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 year; stalk ± 0; bract included, free from scale. Seed: plus wing < 2 cm.
10 species: northern hemisphere. (Japanese: hemlock)
1. Leaves ± 2-ranked, not more crowded above twig, grooved adaxially, with 2 ± white bands abaxially; seed cone 1.2–2.5 cm ..... T. heterophylla
1' Leaves not 2-ranked, more crowded above twig, rounded adaxially, glaucous, with 2 ± white bands abaxially, adaxially; seed cone 3–7.5 cm ..... T. mertensiana
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].
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.