Results 41 to 50 of about 5,184 (232)

The ploidy status of Anthephora pubescens (Panicoideae)

open access: hybridSouth African Journal of Botany, 1982
A basic chromosome number of x =9 for the genus Anthephora Schreb. is confirmed. Samples of five A. pubescens Nees cultivars selected for cultivated pasture purposes consisted of tetraploid plants only (2n=4x=36).
J. J. Spies
openalex   +2 more sources

Bothriochloa glabra (Poaceae: Panicoideae: Andropogoneae) in Texas

open access: yesJournal of the Botanical Research Institute of Texas, 2020
Bothriochloa glabra (Roxb.) A. Camus is reported for Texas. A key is provided to separate B. glabra from B. bladhii (Retz.) S.T. Blake.
Joseph K. Wipff, David J. Rosen
openaire   +1 more source

Paspalum (Poaceae) das formações savânicas e campestres do Parque Ecológico Bernardo Sayão, Distrito Federal, Brasil

open access: yesRodriguésia, 2020
Resumo Apresenta-se um estudo taxônomico do gênero Paspalum (Poaceae) no Parque Ecológico Bernardo Sayão (PEBS). Paspalum possui mais de 350 espécies neotropicais, com centro de diversidade no Brasil Central.
Ana Paula de Morais Lira Gouvêa   +2 more
doaj   +1 more source

Mesocotyl elongation in Digitaria sanguinalis during seedling development [PDF]

open access: yes, 2016
The mesocotyl is an embryonic organ present in Poaceae that plays an important role in seedling emergence. The elongation of this first internode contributes decisively to the coleoptile reaching the soil surface.
Mas Serra, Maite   +1 more
core   +2 more sources

Molecular analysis of stomach contents reveals important grass seeds in the winter diet of Baird's and Grasshopper sparrows, two declining grassland bird species. [PDF]

open access: yesPLoS ONE, 2017
We analyzed the diet of Baird's Sparrow (Ammodramus bairdii) and Grasshopper Sparrow (A. savannarum) in three different sites and sampling periods across the Chihuahuan Desert in northern Mexico.
Mieke Titulaer   +6 more
doaj   +1 more source

Phylogeny of the Grasses (Poaceae) Revisited [PDF]

open access: yes, 2007
The most robust previously published phylogeny for the overall structure of the grass family (Poaceae) shows three early diverging lineages and two major derived clades, the BEP clade and the PACCAD clade (Grass Phylogeny Working Group 2001).
Clark, Lynn G   +5 more
core   +3 more sources

Distribution patterns of species of Paspalum L. (Poaceae: Panicoideae: Paniceae) in Pernambuco, Brazil [PDF]

open access: yes, 2009
A fim de contribuir para o conhecimento dos padrões de distribuição de Paspalum, este estudo trata da distribuição das espécies que ocorrem em Pernambuco.
Alves, Marccus   +2 more
core   +2 more sources

FAMILIA GRAMINEAE: SUBFAMILIA PANICOIDEAE I

open access: yesFlora del Bajío y de Regiones Adyacentes, 2020
Subfamilia cuyos representantes se localizan principalmente en las regiones tropicales y subtropicales. Existen aproximadamente 171 géneros en todo el mundo y cerca de 3560 especies. En México 81 géneros y alrededor de 494 especies, mientras que en la región de estudio hay cerca de 45 géneros y 180 especies.
openaire   +1 more source

Three grasses (Poaceae), additions to the flora of Andhra Pradesh, India

open access: yesJournal of Threatened Taxa, 2019
Bothriochloa insculpta (A. Rich.) A. Camus, Cyrtococcum patens (L.) A. Camus var. patens and Sacciolepis myosuroides (R. Br.) A. Camus. (Panicoideae: Poaceae) are three grasses that were collected from Chittoor and Visakhapatnam districts of Andhra ...
Anil Kumar Midigesi   +1 more
doaj   +1 more source

Effects of past climate variability on fire and vegetation in the cerrãdo savanna of the Huanchaca Mesetta, NE Bolivia [PDF]

open access: yes, 2015
Cerrãdo savannas have the greatest fire activity of all major global land-cover types and play a significant role in the global carbon cycle. During the 21st century, temperatures are projected to increase by ∼ 3 ◦C coupled with a precipitation ...
Iriarte, J.   +4 more
core   +3 more sources

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