Buscar
Mostrando ítems 1-10 de 28
Could microechinate orbicules be related to the release of pollen in anemophilous and 'buzz pollination' species?
(Csiro Publishing, 2019-02)
The function of orbicules has been a matter of speculation for a long time and until now no satisfactory answer has been put forward. We propose two hypotheses that could contribute to the elucidation of their function: ...
Invasive conifers reduce seed set of a native Andean cedar through heterospecific pollination competition
(Springer, 2015-04)
The invasion of natural forest communities by introduced woody species may threat processes that are critical for ecosystem integrity, including plant pollination and reproduction. In particular, invasive conifers (e.g., ...
Neither insects nor wind: ambophily in dioecious Chamaedorea palms (Arecaceae)
(2014)
Pollination of Neotropical dioecious trees is commonly related to generalist insects. Similar data for non‐tree species with separated genders are inconclusive. Recent studies on pollination of dioecious Chamaedorea palms ...
Dioecy and wind pollination in Pernettya rigida (Ericaceae) of the Juan Fernández Islands
(Wiley Blackwell Publishing, Inc, 2000-01)
Pernettya rigida is endemic to the Juan Fernández archipelago. Although all flowers are complete, with seemingly fertile stamens and pistils, differences in fruit production and detailed field, anatomical, and morphological ...
Reproductive biology in species of the genus Nothofagus
(1995)
The reproductive systems of three species of Nothofagus, N. dombeyi (Mirb.) Oerst., N. nitida (Phil.) Krasser and N. obliqua (Mirb.) Oerst. (Fagaceae), were studied in their natural forest habitats in Valdivia, Chile, using ...
Breeding system and pollination of selected plants endemic to Juan Fernandez Islands
(Botanical Society of America, 2001-02)
We conducted field studies on the Juan Fernández Islands flora on the breeding system of 25 endemic species from 17 families. We recorded data on flower features, pollen and ovule number, pollen/ovule ratio, pollen size, ...
Atributos florais e transição entre polinização abiótica e biótica em espécies de Rhyncospora Vahl (Cyperaceae)
(Universidade Federal de PernambucoUFPEBrasilPrograma de Pos Graduacao em Biologia Vegetal, 2019)
Riqueza e importância das abelhas em cultivo orgânico de tomate em área urbanaWealth and importance of bees in organic tomato crop in urban area
(Universidade Federal de UberlândiaBrasilCiências Biológicas, 2020)