A QUANTITATIVE STUDY OF THE VEGETATION SURROUNDING A XANTHORHIZA SIMPLICISSIMA (RANUNCULACEAE) POPULATION AT FORT POLK IN WEST CENTRAL LOUISIANA

Yellow root (Xanthorhiza simplicissima Marsh.) is a rare species (SI) in Louisiana known only from Vernon Parish. Quantitative data from 60 belt transects are reported and the plant community associated with yellow root is described. Yellow root in Louisiana is found along the edge of a baygall stre...

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Bibliographic Details
Published in:Journal of the Botanical Research Institute of Texas 2013-08, Vol.7 (1), p.519-528
Main Authors: Allen, Charles, Erwin, Rachel, McMillian, Jeff, McMillian, Joe
Format: Article
Language:English
Subjects:
Creeks
FLORISTICS, ECOLOGY, AND CONSERVATION
Herbaceous plants
Plant roots
Plants
Saplings
Shrubs
Stems
Streams
Vegetation
Woody vines
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Summary:Yellow root (Xanthorhiza simplicissima Marsh.) is a rare species (SI) in Louisiana known only from Vernon Parish. Quantitative data from 60 belt transects are reported and the plant community associated with yellow root is described. Yellow root in Louisiana is found along the edge of a baygall stream and is associated with the tree species Magnolia virginiana, Nyssa biflora, and Liquidambar styraciflua; the shrub species Lyonia lucida, Ilex coriacea, and Vaccinium elliottii; and the herbaceous species Chasmanthium laxum, Mitchella repens, and Dichanthelium commutatum. Yellow root is absent downstream in a more mesic area created by a larger natural levee associated with a larger stream. Xanthorhiza simplicissima Marsh. es una especie rara (SI) en Luisiana conocida solo de de Vernon Parish. Se aportan los datos cuantitativos de 60 transectos y se describe la comunidad de plantas asociadas con ella. X. simplicissima se encuentra en Luisiana a lo largo del borde de un torrente pantanoso y está asociada con tres especies arbóreas Magnolia virginiana, Nyssa biflora, y Liquidambar styraciflua; las especies arbustivas Lyonia lucida, Ilex coriacea, y Vaccinium elliottii; y las especies herbáceas Chasmanthium laxum, Mitchella repens, y Dichanthelium commutatum. X. simplicissima está ausente aguas abajo en un área más mésica creada por un dique natural asociado a un cauce más grande.
ISSN:1934-5259