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TAXACEAE YEW FAMILY

Matthew H. Hils

Shrub or tree, evergreen; dioecious. Leaf: alternate, linear, decurrent, tip acute; not in bundles, generally appearing 2-ranked. Pollen cone: with stamen-like structures. Seed: 1 at tip of short twig, partly or completely enclosed by subtending aril; coat woody; cotyledons 2.
5 genera, 16 species: northern hemisphere; some Taxus species widely used in landscaping. [Florin 1948 Bot Gaz 110:31–39] —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.

Key to Taxaceae

TAXUS YEW
Shrub, small tree. Stem: trunk generally of irregular width; branches ± drooping; wood not aromatic. Pollen cone: 4–8 stamen-like structures in a stalked cluster.
± 7 species: northern hemisphere. (Latin, probably from Greek: bow, for which wood used) [Spjut 2007 J Bot Res Inst Texas 1:203–289]

T. brevifolia Nutt. PACIFIC YEW
NATIVE
Stem: trunk to 18(25) m, < 0.6(1.2) m wide; bark shredding, outer scales ± purple to ± purple-brown, inner scales ± red to ± red-purple. Leaf: pale green adaxially, shiny ± yellow-green abaxially. Seed: 5–6.5 mm, ovoid; coat smooth.
Generally dense, mixed-evergreen forest, lower slopes or canyon bottoms; 10–2150 m. Northwestern California, Cascade Range, n&c Sierra Nevada, San Francisco Bay Area; to Alaska, western Montana. [Taxus brevifolia var. polychaeta Spjut; Taxus brevifolia var. reptaneta Spjut] See Spjut (2007) for alternative treatment of Taxus in California. [Online Interchange]

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Sep 23 2014
Citation for this treatment: [Author of taxon treatment] 2013. Taxus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=46109, accessed on Sep 23 2014

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click for enlargement Taxus brevifolia
See CalPhotos for additional images
2007 Dr. Mark S. Brunell

Geographic subdivisions indicated for the distribution of Taxus brevifolia 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.
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.