Results 241 to 250 of about 7,654 (276)
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Phytochemical and Therapeutic Insights into the Family Pteridaceae: A Review

Journal of Pharmaceutical Research
Pteridophytes, the non-seeded vascular cryptogams, dominated terrestrial vegetation about 350 million years ago and represent the second-largest component of the world flora, with over 250 genera and nearly 12,000 species.
D. Sowmiya
semanticscholar   +1 more source

Patterns of Niche Shift in Allopolyploid Adiantum viridimontanum (Pteridaceae) Across Habitat and Range Scales

Rhodora
This contribution is a study of the ecology of hybridization within the North American members of the Adiantum pedatum complex, a clade of maidenhair ferns; in the northeast part of its range, the clade comprises the diploids A. pedatum and A.
M. W. Southgate   +2 more
semanticscholar   +1 more source

Potential Desiccation Tolerance Shown in Cheilanthes ecuadorensis (Pteridaceae)

American Fern Journal, 2022
Potential Desiccation Tolerance Shown in Cheilanthes ecuadorensis (Pteridaceae).—Having enough water for survival is one of the restrictions with which organisms must cope.
Karla Sosa
semanticscholar   +1 more source

Primer registro del género monotípico Llavea (Pteridaceae) para Honduras

Acta Botánica Mexicana
Antecedentes y Objetivos: A pesar de que existe un listado de potenciales especies de orquídeas para Honduras, la diversidad oscura del grupo de pteridofitas no ha sido explorada.
Johan David Reyes Chávez   +2 more
semanticscholar   +1 more source

Sobre la presencia de Pteris propinqua (Pteridaceae) en la Argentina

Boletín de la Sociedad Argentina de Botánica
Introducción y objetivos: En el presente trabajo se cita por primera vez para la Argentina a Pteris propinqua, sobre la base de ejemplares encontrados en el departamento de Iguazú, Misiones.
Gonzalo J. Marquez, H. Keller
semanticscholar   +1 more source

Pteris Faba and Pteris rubella, two new species in section Hypsopodium (Pteridaceae)

New Zealand Journal of Botany, 2022
Pteris sect. Hypsopodium (Pteridaceae) was reported to contain about nine species. Here we describe two new species based on morphological and molecular evidence, namely Pteris faba Y.S.Chao sp. nov.
Y. Chao   +5 more
semanticscholar   +1 more source

FAMILIA PTERIDACEAE

Flora del Bajío y de Regiones Adyacentes, 2019
La familia Pteridaceae es una de las más diversas de helechos, contiene entre 44 y 53 géneros y entre 950 y 1211 especies en el mundo. En México está representada por 32 géneros y alrededor de 218 especies. En la región de estudio se registran 16 géneros y 88 especies.
openaire   +1 more source

Lipophilic exudates of Pteridaceae – chemistry and chemotaxonomy

Biochemical Systematics and Ecology, 2000
A number of fern species, belonging to several genera of Pteridaceae, exhibit a more or less conspicuous farinose wax, which is mostly located on the lower leaf surface. Production of these waxes is often correlated with the presence of glandular trichomes.
, Wollenweber, , Schneider
openaire   +2 more sources

Flavonoid glycosides of Pteridaceae from Brazil

Biochemical Systematics and Ecology, 1998
Flavonoids from leaves of Cheilanthoideae and Pteridoideae, embracing a total of 31 samples of Cheilanthes, Doryopteris, Pellaea and Pteris were isolated and identified. With one exception (C. goyazensis) species examined did not have farinose leaf exudates.
Maria Luiza F Salatino, Jefferson Prado
openaire   +1 more source

Adiantum membranifolium (Pteridaceae), a new record of maidenhair fern from Laos

Gardens' Bulletin Singapore
Adiantum membranifolium S.Linds. & Suksathan is a species of maidenhair fern previously known only from a few shady limestone cliffs in Western, Northern, and North- Eastern Thailand. Recently, an exploratory survey in Khammouane Province, Laos led to
T. Sripeng   +6 more
semanticscholar   +1 more source

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