Results 31 to 40 of about 1,558 (188)

Composição florística das formações vegetais sobre uma turfeira topotrófica da planície costeira do Rio Grande do Sul, Brasil [PDF]

open access: yesActa Botânica Brasílica, 2003
Turfeiras topotróficas caracterizam-se como corpos de águas rasas, permanente ou periodicamente alagados por água do lençol freático, percolada através do solo inorgânico das terras altas adjacentes à depressão central da turfeira.
César S. B. Costa   +3 more
doaj   +1 more source

Typification of binomials in Xyris section Nematopus (Xyridaceae) published by L.A. Nilsson

open access: yesPhytoKeys, 2017
A nomenclatural revision of fifteen taxa of Xyris (Xyridaceae) described by L.A. Nilsson (1892) is presented as part of a taxonomic revision of the genus in Brazil. All the protologues and type collections of these taxa were studied. The type collections
Maria das Graças Lapa Wanderley
doaj   +3 more sources

Systematics of the Xyris teres L.A. Nilsson complex (Xyridaceae) [PDF]

open access: yes, 2023
Xyris é um gênero diverso, com cerca de 420 espécies, com distribuição majoritariamente neotropical. Seu centro de diversidade é na América do Sul, onde ainda são encontrados vários complexos de espécies crípticas.
Lozano, Eduardo Damasceno
core   +1 more source

Improving the biomethane yield of Xyris capensis through pretreatment methods and co-digestion [PDF]

open access: yesE3S Web of Conferences
The most common substrates for the anaerobic digestion process that release biomethane, a renewable energy source, are lignocellulose materials. Total energy recovery from lignocellulose substrates is challenging due to their recalcitrant nature ...
Olatunji Kehinde O., Madyira Daniel M.
doaj   +1 more source

XYRIDACEAE

open access: yesBothalia: African Biodiversity & Conservation, 1979
ANATOMICAL OBSERVATIONS ON THE PEDUNCLE OF XYRIS ...
R. P. Ellis, R. Manders, A. A. Obermeyer
doaj   +1 more source

Riqueza, relevância e estratégias para a conservação de fisionomias campestres do Cerrado no Horto Florestal de Botucatu, SP, Brasil. Richness, relevance and conservation strategies for savanna grasslands in the Horto Florestal of Botucatu, SP, Brazil. [PDF]

open access: yesRevista do Instituto Florestal, 2017
As fitofisionomias campestres e as plantas do estrato herbáceo-arbustivo têm sido pouco estudadas em todo o mundo e, pelo seu desconhecimento, poucos esforços têm sido empreendidos em sua conservação.
Natashi Aparecida Lima PILON   +4 more
doaj   +1 more source

Xyris Apureana Kral & Smith, A New Species of Xyris (Sect. Nematopis) from Venezuela

open access: yesAnnals of the Missouri Botanical Garden, 1982
Herba perennis, laxa, densicaespitosa, glabra. Rhizomata tenuia, brevia vel elongata, ascendentia. Radices graciles. Folia linearia, 1.5-3.0 dm longa, erecta vel leviter expansa, subdisticha, vaginis scaporum longiora. Laminae vaginis 5-10-plo longiores, 1-2 mm latae, planae, rectae, longitudine pauci-pluri-costatae et sulcatae, a basi ad medium ...
Kral, Robert, Smith, Lyman B.
openaire   +3 more sources

Caracterização anatômica foliar para 14 espécies de Xyris L. (Xyridaceae) da Serra do Cipó, MG, Brasil Leaf anatomical features of 14 Xyris L (Xyridaceae) species from Serra do Cipó, MG, Brazil

open access: yesActa Botânica Brasílica, 1995
As folhas de X. anamariae, X. archeri, X. hymenachne, X. melanopoda, X. minarum, X. obcordata, X. paraensis, X. pilosa, X. platystachia, X. pterygoblephara, X. savanensis, X. spinulosa, X. tortilis e X.
Maria das Graças Sajo   +2 more
doaj   +1 more source

The quantification of sodium intake from discretionary salt intake in New Zealand using the lithium-tagged salt method

open access: yesFrontiers in Nutrition, 2023
IntroductionDiscretionary salt (added in cooking at home or at the table) is a source of sodium and iodine in New Zealand. The amount of discretionary salt consumed in a population has implications on policies regarding sodium and iodine.
Nan Xin Wang   +4 more
doaj   +1 more source

Intercellular pectic protuberances in leaves of some Xyris species (Xyridaceae)

open access: yes, 1996
Mature leaves of eight species of Xyris were prepared by standard methods for electron transmission microscopy. Wartlike intercellular pectic protuberances were observed on the surface of inner periclinal walls of epidermal cells in Xyris obcordata ...
Machado, SR, Sajo, M. G.
core   +4 more sources

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