Results 111 to 120 of about 5,215 (199)

Ecology and structure of Drosophyllum lusitanicum (l.) Links populations in the south-west of the Iberian Peninsula [PDF]

open access: yes, 2001
Ecología y estructura de poblaciones de Drosophyllum lusitanicum (L.) Link en el suroeste de la Península Ibérica. Drosophyllum lusitanicum es una planta autógama y nautocórica cuyo tamaño y estructura de población han sido estudiados en dos áreas del ...
Deil, Ulrich, Müller, J.
core   +2 more sources

Allogamy, metaxenia and hybrids in orchids, what do we know about it?

open access: yesBotan‪ical Sciences
Orchids are a diverse group of plants, also manifested in their great diversity of flowers. Despite this, orchids are pollinated either through autogamy or allogamy (geitonogamy and xenogamy). Although there are some autogamous orchids, the majority are
José Martín Barreda-Castillo   +4 more
doaj   +1 more source

Off-types indicate natural outcrossing in five tropical forage legumes in Colombia [PDF]

open access: yes, 2013
Flower colour has been used as a simple morphological marker for genetic studies in many species, including legumes. In several tropical forage legumes, grown to evaluate their environmental adaptation or for seed increase, white-flowered plants were ...
Maass, Brigitte L., Torres, A.M.
core  

Biologie florale du cocotier. Durée et succession des phases mâles et femelles chez divers types de cocotiers [PDF]

open access: yes, 1976
Une étude des phases mâle et femelle de 10 variétés de cocotiers grands, nains et hybrides plantés à Port-Bouet a permis de classer ces variétés en 4 types.
Rognon, François
core  

A Survey of the Ecology of Tecoma stans [PDF]

open access: yes, 1964
Tecoma stans (L.) Juss. ex H.B.K., a shrub or small tree in the Bignoniaceae, is a widely distributed polymorphic complex of the Western Hemisphere tropics and subtropics, and is commonly planted as an ornamental throughout the tropical world.
Pelton, John
core   +1 more source

A new species of \u3cem\u3eStreptanthus\u3c/em\u3e (Brassicaceae) from Three Peaks in Lake County, California [PDF]

open access: yes, 2005
Streptanlhus vernalis is a newly described species inhabiting serpentine rock outcrops in the Three Peaks area in Lake County, California. Morphological and allozyme data indicate that this taxon is related to the S.
Dolan, Rebecca W., O\u27Donnell, Richard
core   +1 more source

Paramecium Genetics, Genomics, and Evolution. [PDF]

open access: yesAnnu Rev Genet, 2023
Long H   +9 more
europepmc   +1 more source

Pollination biology, breeding system and reproductive success of Adhatoda vasica,an important medicinal plant [PDF]

open access: yes, 2009
Adhatoda vasica Nees.(Acanthaceae) is an important and widely used medicinal plant. The flowers last for 3–5 days, they are protandrous and pass through three distinct phases: male, bisexual and female.
Shivanna, KR
core   +1 more source

Efficacité de la sélection massale sur les composantes du rendement chez le cocotier [PDF]

open access: yes, 1988
Cet article propose une synthèse permettant d'apprécier chez le cocotier l'efficacité de trois variantes de la sélection massale : fécondation libre, autofécondation ou intercroisement.
Bourdeix, Roland
core  

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