In this study, 15 terrestrial cacti species were examined: Echinopsis cygona, Frailea
phaeodisca, F. pygmaea, Gyrniniocah cium denudatum, Notocacnus marrimulosus, N …

Some species of Cactaceae of Northeastern Brazil, most from Caatingas, are focused on
here where their main palynological characters are presented. Light and scanning electron …

The family Cactaceae is widely distributed in North and South America, with approximately
1500 species, northeastern Brazil being the the third most important centre of diversity The …

The family Cactaceae is widely distributed in South and North America and presents a large
spectrum of floral biotypes: melittophily, sphingophily, ornithophily and chiropterophily. The …

Uebelmannia pectinifera Buining subsp. pectinifera (Cactaceae) is an endangered species
endemic to quartzitic rocks in campo rupestre vegetation of Minas Gerais state, Brazil …

The main goals of the present paper were to investigate the floral biology and the breeding
system of Melochia tomentosa in a semi-arid region in Brazil, comparing the role of Apis …

Das Spektrum der blütenbesuchenden Bienen von Notocactus polyacanthus, N. sellowii, N.
sucineus und Gymnocalycium denudatum in der Serra do Sudeste, Rio Grande do Sul …

Cipocereus laniflorus NP Taylor & Zappi is an endemic species from the Serra do Caraça,
State of Minas Gerais, Brazil. In order to propose conservation strategies for this species, its …

This is the first palynological study using pollen stored by Tetragonisca angustula (Apidae:
Meliponini) in the Lower Amazon region, Pará, Brazil. The samples were directly collected …

Unter den Cactaceae wird für mehrere Gattungen Bestäubung durch Fledermäuse
angegeben, ua auch für Pilosocereus, aber für Brasilien waren keine direkten …