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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TAXACEAE

YEW FAMILY

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]

TORREYA

TORREYA


Stem: trunk of regular width; branches horizontal; wood aromatic
Leaves dark green above, yellowish green, with 2 longitudinal, yellowish grooves below, aromatic; tip sharply spiny
Pollen cone with 6–8 whorls of 4 stamen-like structures
Seed maturing in 1 season; aril green or purplish, closed at top
Species in genus: ± 5 species: North America, Asia
Etymology: (John Torrey, New York botanist, 1796–1873)

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