View source for Roystonea

{{Treatment/ID
|accepted_name=Roystonea
|accepted_authority=O. F. Cook
|publications={{Treatment/Publication
|title=Science
|place=ser. 2, 12:479. 1900
|year=1900
}}
|common_names=Royal palm palm;palmier royal
|basionyms=
|synonyms=
|hierarchy=Arecaceae;Arecaceae subfam. Arecoideae;Arecaceae tribe Areceae;Arecaceae (tribe Areceae) subtribe Roystoneinae;Roystonea
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Arecaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Arecaceae subfam. Arecoideae]]</div><div class="higher-taxon"><small>tribe</small>[[Arecaceae tribe Areceae]]</div><div class="higher-taxon"><small>subtribe</small>[[Arecaceae (tribe Areceae) subtribe Roystoneinae]]</div><div class="higher-taxon"><small>genus</small>[[Roystonea]]</div></div>
|etymology=for Roy Stone, 1836–1905
|volume=Volume 22
|mention_page=page 117
|treatment_page=page 116
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>solitary, erect, greater than 20 cm in diam., smooth, unarmed. <b>Leaves</b>: leaf bases unarmed, forming crownshaft, crownshaft prominent, green, smooth; petiole unarmed; blade pinnate; plication reduplicate; segments linear-lanceolate, in more than 1 plane. <b>Inflorescences</b> axillary below crown of leaves, paniculate, with 2 or 3 orders of branching; prophyll tubular; peduncular bract greatly exceeding prophyll, leathery, splitting longitudinally on abaxial side and circumscissilly at base; rachillae covered with copious caducous dendritic trichomes, becoming glabrous. <b>Flowers</b> unisexual, sessile, in triads of 1 pistillate flower flanked by 2 staminate flowers. <b>Staminate</b> flowers: sepals 3, imbricate, membranaceous; petals 3, valvate; stamens 6(–10, rarely); anthers dorsifixed, often twisting upon drying; pistillode minute, obscurely 3-cleft. <b>Pistillate</b> flowers globose to conic; sepals 3, imbricate; petals 3, basally connate, distally valvate; staminodes 6, basally connate, adnate to corolla basally; pistil 1; ovules 1; style indistinct; stigmas 3. <b>Fruits</b> drupes, fibrous; stigmatic scar basal; exocarp ripening from green to red to purplish black at maturity, thin, leathery; mesocarp fleshy, oily; endocarp hard. <b>Seeds</b> 1, nearly globose [obovoid], dorsiventrally compressed, abaxially attached to endocarp; endosperm homogeneous; embryo basal; eophyll undivided, linear-lanceolate. <b>x</b> n = 18.</span><!--

-->{{Treatment/Body
|distribution=Fla.;Mexico;West Indies;Central America;South America.
|discussion=<p>Most species of <i>Roystonea</i> are widely known as royal palms. They are cultivated worldwide and are especially favored as avenue trees. Long rows of gray-white columnar trunks are unmatched for their magnificence and stateliness. In some parts of the Caribbean, especially Cuba, <i>Roystonea</i> is a significant resource for thatch (leafbases only), timber, livestock feed, palmito (palm cabbage or heart-of-palm), and edible oil (F. A. Reynoso 1976; C. Ruebens 1968; T. A. Zanoni 1991; S. Zona 1991, 1996).</p><!--
--><p>Species 11 (1 in the flora).</p>
|tables=
|references={{Treatment/Reference
|id=cook1936a
|text=Cook, O. F. 1936. Royal palms in upper Florida. Science, ser. 2, 84: 60--61.
}}{{Treatment/Reference
|id=reynoso1976a
|text=Reynoso, F. A. 1976. Importancia económica de la palma real dominicana (Roystonea hispaniolana). Agroconocimiento 1: 8--9.
}}{{Treatment/Reference
|id=ruebens1968a
|text=Ruebens, C. 1968. Industrialización del palmiche en Cuba. Industr. Alimenticia 1: 8--25.
}}{{Treatment/Reference
|id=small1937a
|text=Small, J. K. 1937. Facts and fancies about our royal palm. J. New York Bot. Gard. 38: 49--58.
}}{{Treatment/Reference
|id=zanoni1991a
|text=Zanoni, T. A. 1991. The royal palm on the island of Hispaniola. Principes 35: 49--54.
}}{{Treatment/Reference
|id=zona1991a
|text=Zona, S. 1991. Notes on Roystonea in Cuba. Principes 35: 225--233.
}}{{Treatment/Reference
|id=zona1996a
|text=Zona, S. 1996. Roystonea (Arecaceae: Arecoideae). In: Organization for Flora Neotropica. 1968+. Flora Neotropica. 75+ nos. New York. No. 71, pp.1--36.
}}
}}<!--

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-->{{#Taxon:
name=Roystonea
|authority=O. F. Cook
|rank=genus
|parent rank=subtribe
|synonyms=
|basionyms=
|family=Arecaceae
|distribution=Fla.;Mexico;West Indies;Central America;South America.
|reference=cook1936a;reynoso1976a;ruebens1968a;small1937a;zanoni1991a;zona1991a;zona1996a
|publication title=Science
|publication year=1900
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V22/V22_298.xml
|subfamily=Arecaceae subfam. Arecoideae
|tribe=Arecaceae tribe Areceae
|subtribe=Arecaceae (tribe Areceae) subtribe Roystoneinae
|genus=Roystonea
}}<!--

-->[[Category:Treatment]][[Category:Arecaceae (tribe Areceae) subtribe Roystoneinae]]