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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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).
Forest characteristics, population structure and life-stages diversity of Dioon holmgrenii (Cycadales: Zamiaceae).
In addition, 6 species of the genus Dioon (Zamiaceae) native to Mexico are recorded hosts (Howard et al.
La especie mas abundante fue Sargentea greggii mientras que Acacia rigidula, Barberis cho-choco, Bernardia myricaefolia y Dioon edule fueron las menos abundantes.
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.
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).
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).
Parametros demograficos de Dioon spinulosum Dyer & Eichler (Zamiaceae), en San Miguel Soyaltepec, Oaxaca.
Yokoyama, 1978, Seed coat carotenoids of the cycad genera Dioon, Encephalartos, Macrozamia and Zamia: evolutionary significance.
REPRODUCTION OF CHAMAL (Dioon edule Lindley) BY SEED
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.