Jepson eFlora
Key to families | Table of families and genera

Key to Arceuthobium

View taxon page for Arceuthobium

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

1. Stem generally << 2 cm, 2° branches rare; on Pseudotsuga menziesii, rarely on associated Abies ..... A. douglasii

1' Stem > 2 cm, 2° branches many; on Abies, Pinus, Tsuga, rarely Picea breweriana

2. Larger branches whorled; on Pinus contorta subsp. murrayana, rarely on associated Pinus ..... A. americanum

2' Larger branches not whorled, in 1 plane; on Abies, Pinus (except Pinus contorta subsp. murrayana), Tsuga, rarely Picea ..... A. campylopodum


Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, [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].
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