dioon

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Noun1.dioon - any cycad of the genus Dioondioon - any cycad of the genus Dioon; handsome palmlike cycads with robust crowns of leaves and rugged trunks
cycad - any tropical gymnosperm of the order Cycadales; having unbranched stems with a crown of fernlike leaves
genus Dioon - small genus of arborescent cycads of Mexico and Central America; sometimes classified in family Cycadaceae
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References in periodicals archive
Cycads (literally Cycadales) comprise three families (Cycadaceae, Stangeriaceae and Zamiaceae) and consist of a total of 10 accepted genera and 348 accepted species, divided as follows: Bowenia (2), Ceratozamia (30), Cycas (114), Dioon (15), Encephalartos (65), Lepidozamia (2), Macrozamia (41), Microcycas (1), Stangeria (1), and Zamia (77) (Calonje et al., 2017; Osborne et al., 2012).
Comparative Biology of Cycad Pollen, Seed and Tissue--A Plant Conservation Perspective
Forest characteristics, population structure and life-stages diversity of Dioon holmgrenii (Cycadales: Zamiaceae).
Atributos dendrometricos, estructura poblacional y diversidad de estadios de Dioon holmgrenii (Cycadales: Zamiaceae)
In addition, 6 species of the genus Dioon (Zamiaceae) native to Mexico are recorded hosts (Howard et al.
First report of Aulacaspis yasumatsui (Hemiptera: Diaspididae) in Mexico
En terminos de grandes ausencias, cabe senalar en primer lugar la falta casi completa de las gimnospermas, pues de este grupo solo se registra la poco trascendente presencia de Dioon.
Datos para la apreciacion de la flora fanerogamica del bosque tropical caducifolio de Mexico
A traves de estos metodos, la regeneracion de las plantas solo se ha logrado en Zamia pumila, (Chavez, 1992a) y Dioon edu ie (Chavez and Litz, 1999).
Respuesta de zamia incognita l. al cultivo in vitro, una alternativa para su conservacion
The order Cycadales comprises three families (Cycadaceae, Stangeriaceae and Zamiaceae), and 11 genera (Cycas, Stangeria, Bowenia, Dioon, Encephalartos, Macrozamia, Lepidozamia, Ceratozamia, Microcycas, Zamia and Chigua) (Stevenson 1992).
Aboriginal vernacular names of Australian cycads of Macrozamia, Bowenia and Lepidozamia spp.: a response to "Cycads in the vernacular: a compendium of local names"
Organogenic cultures were induced from zygotic embryo and megagametophyte explants of the Chiapas State (Mexico) endangered cycad species, Dioon merolae.
In vitro morphogenesis of Dioon merolae de Luca, Sabato & Vazquez Torres (Zamiaceae, cycadales) from megagametophytes and zygotic embryos/Morfogenesis in vitro de Dioon merolae de Luca, Sabato & Vazquez-Torres (zamiaceae, cycadales) a partir de megagametofitos y embriones cigoticos
Yokoyama, 1978, Seed coat carotenoids of the cycad genera Dioon, Encephalartos, Macrozamia and Zamia: evolutionary significance.
Anything more than a picnic? Re-considering arguments for ceremonial Macrozamia use in mid-Holocene Australia
Shade and exotic beauty are provided by two majestic bamboo varieties, "Old Hawaii" and vittata, and by bullhorn acacias and Dioon spinulosum--a form of cycad palm from the Jurassic period.
Uncommon beauties: rare plants intrigue the adventurous gardener
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