View source for Taxaceae

{{Treatment/ID
|accepted_name=Taxaceae
|accepted_authority=Gray
|publications=
|common_names=Yew Family
|basionyms=
|synonyms=
|hierarchy=Taxaceae
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Taxaceae]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=page 423
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Trees </b>or shrubs evergreen, usually neither resinous nor aromatic (sharp- or foul-odored in <i>Torreya</i>), dioecious or monoecious. <b>Bark</b> scaly or fissured. <b>Lateral</b> branches well developed, similar to leading shoots; twigs terete, not densely clothed by leaves but ± ridged by decurrent leaf bases; longest internodes less than 1 cm; buds ± inconspicuous. <b>Roots</b> fibrous to woody. <b>Leaves</b> (needles) simple, persisting several years, shed singly, alternate [opposite], spirally arranged but often twisted so as to appear 2-ranked, linear to linear-lanceolate, decurrent; resin canals present or absent. <b>Pollen</b> cones maturing and shed annually, solitary or clustered, axillary on year-old branches, globose to ovoid, sporophylls bearing 2–16 microsporangia (pollen sacs); pollen ± spheric, not winged. <b>Seed</b> cones reduced to 1–2 ovules subtended by inconspicuous, decussate bracts, maturing in 1–2 seasons, axillary on year-old branches. <b>Seeds</b> 1 per "cone," erect, not winged, hard seed coat partially or wholly surrounded by a juicy, fleshy or leathery aril; cotyledons 2.</span><!--

-->{{Treatment/Body
|distribution=Mainly Northern Hemisphere.
|discussion=<p>Genera 5, species 17–20 (2 genera, 5 species in the flora).</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Leaves flexible, without resin canal, apex mucronate, soft-pointed, not sharp to touch; aril scarlet to orange-scarlet, soft, mucilaginous, thick, cup-shaped, open at apex, exposing hard seed coat.
|[[Taxus|Taxus]]
|-id=key-0-1
|1
|Leaves rigid, stiff, with central resin canal, apex acute, spine-tipped, sharp to touch; aril green or green with purple streaks, leathery, resinous, thin, completely enclosing hard seed coat.
|[[Torreya|Torreya]]
|}
</div></div><!--

-->{{#Taxon:
name=Taxaceae
|author=Matthew H. Hils
|authority=Gray
|rank=family
|parent rank=
|synonyms=
|basionyms=
|family=Taxaceae
|illustrator=John Myers
|illustration copyright=Flora of North America Association
|distribution=Mainly Northern Hemisphere.
|reference=None
|publication title=
|publication year=
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V2/V2_504.xml
}}<!--

-->[[Category:Treatment]]