Jepson Flora Project: Jepson Interchange    

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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
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James R. Griffin

Tree or shrub, dioecious, evergreen
Leaves simple, alternate, not in bundles, generally appearing 2-ranked, < 5 cm, linear, decurrent; tip acute
Pollen cone with < 32 stamen-like structures
Seed solitary at tip of short twig, partly or completely enclosed by subtending aril; coat woody; cotyledons 2
Genera in family: 5 genera, 16 species: n hemisphere; some Taxus species widely used in landscaping
Reference: [Florin 1948 Bot Gaz 110:31–39]



Stem: trunk often of irregular width; branches somewhat drooping; wood not aromatic
Leaves yellowish green, paler below, not aromatic; tip not sharply spiny
Pollen cone with a stalked cluster of 4–8 stamen-like structures
Seed maturing in 2 seasons; aril reddish, open at top
Species in genus: ± 7 species: n hemisphere
Etymology: (Latin, probably from Greek: bow, for which wood used)


T. brevifolia Nutt.


Stem: trunk < 18 m, < 1.4 m wide; bark shredding, red-brown
Leaf 10–25 mm, ± flexible; spine or bristle tip < 0.5 mm or 0
Seed < 10 mm, ovoid; coat smooth
Ecology: UNCOMMON. Generally dense, mixed-evergreen forest, lower slopes or canyon bottoms
Elevation: 10–1500 m.
Bioregional distribution: Northwestern California, Cascade Range, n&c Sierra Nevada, San Francisco Bay Area
Distribution outside California: to Alaska, w Montana
Horticultural information: IRR, DRN, SHD: 1, 2, 3, 7, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24; SUN : 4, 5, 6.

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bioregional map for TAXUS%20brevifolia being generated
YOU CAN HELP US make sure that our distributional information is correct and current. If you know that a plant occurs in a wild, reproducing state in a Jepson bioregion NOT highlighted on the map, please contact us with that information. Please realize that we cannot incorporate range extensions without access to a voucher specimen, which should (ultimately) be deposited in an herbarium. You can send the pressed, dried collection (with complete locality information indicated) to us (e-mail us for details) or refer us to an accessioned herbarium specimen. Non-occurrence of a plant in an indicated area is difficult to document, but we will especially value your input on those types of possible errors (see automatic conversion of distribution data to maps).

Retrieve Jepson Interchange Index to Plant Names entry for Taxus brevifolia
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