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={{Treatment/Reference
|id=burns1990b
|text=Burns, R. M. and B. H. Honkala. 1990. Silvics of North America. 1. Conifers. Washington. [Agric. Handb. 654.]
}}{{Treatment/Reference
|id=canadian1983a
|text=Canadian Forestry Service. 1983. Reproduction of Conifers. Forest. Techn. Pub. Canad. Forest. Serv. 31.
}}{{Treatment/Reference
|id=farjon1990a
|text=Farjon, A. 1990. A Bibliography of Conifers. Königstein. [Regnum Veg. 122.]
}}{{Treatment/Reference
|id=florin1948a
|text=Florin, R. 1948. On the morphology and relationship of the Taxaceae. Bot. Gaz. 110: 31--39.
}}{{Treatment/Reference
|id=hosie1969b
|text=Hosie, R. C. 1969. Native Trees of Canada, ed. 7. Ottawa. Pp. 110--111.
}}{{Treatment/Reference
|id=krussmann1972a
|text=Krüssmann, G. 1972. Handbuch der Nadelgehölze. Berlin.
}}{{Treatment/Reference
|id=little1979b
|text=Little, E. L. Jr. 1979. Checklist of United States Trees (Native and Naturalized). Washington. Pp. 283, 287--288. [Agric. Handb. 541.]
}}{{Treatment/Reference
|id=pilger1903a
|text=Pilger, R. K. F. 1903. Taxaceae. In: H. G. A. Engler, ed. 1900--1953. Das Pflanzenreich... Berlin. Vol. 18[IV,5], pp. 1--124.
}}{{Treatment/Reference
|id=pilger1916a
|text=Pilger, R. K. F. 1916. Die Taxales. Mitt. Deutsch. Dendrol. Ges. 25: 1--28.
}}{{Treatment/Reference
|id=pilger1926a
|text=Pilger, R. K. F. 1926. Coniferae: Taxaceae. In: H. G. A. Engler et al., eds. 1924+. Die natürlichen Pflanzenfamilien..., ed. 2. Leipzig and Berlin. Vol. 13, pp. 199--211.
}}{{Treatment/Reference
|id=price1990a
|text=Price, R. A. 1990. The genera of Taxaceae in the southeastern United States. J. Arnold Arbor. 71: 69--91.
}}{{Treatment/Reference
|id=silba1986a
|text=Silba, J. 1986. Encyclopaedia Coniferae. Phytologia Mem. 8: 1--127.
}}
}}<!--

--><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=burns1990b;canadian1983a;farjon1990a;florin1948a;hosie1969b;krussmann1972a;little1979b;pilger1903a;pilger1916a;pilger1926a;price1990a;silba1986a
|publication title=
|publication year=
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_504.xml
}}<!--

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