Search Results - "Gottsberger, Gerhard"

The reproductive biology of the early-divergent genus Anaxagorea (Annonaceae), and its significance for the evolutionary development of the family by Gottsberger, Gerhard

“…ABSTRACT Data of six studied Neotropical Anaxagorea species are analyzed and discussed with respect to the population structure, flowering phenology, flower…”
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How are pollination and seed dispersal modes in Cerrado related to stratification? Trends in a cerrado sensu stricto woodland in southeastern Brazil, and a comparison with Neotropical forests by Gottsberger, Gerhard, Silberbauer-Gottsberger, Ilse

“…ABSTRACT A comprehensive census of a hectare of cerrado s.s. in southeastern Brazil, a small-tree and scrub woodland physiognomy, allowed the evaluation of…”
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Nutritious tissue in petals of Annonaceae and its function in pollination by scarab beetles by Gottsberger, Gerhard, Webber, Antonio Carlos

“…ABSTRACT The feeding of pollinating dynastid-scarab beetles on nutritious tissue of Annonaceae flowers results in macroscopically visible gnawing marks on…”
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Distant populations of a Xanthosoma (Araceae) species have different floral scents but the same cyclocephaline beetle pollinators by Gottsberger, Gerhard, Silberbauer-Gottsberger, Ilse, Dötterl, Stefan

“…ABSTRACT We report on the reproductive biology, pollinators, and thermogenesis of the widely distributed Araceae species, Xanthosoma striatipes. We analyzed…”
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Pollination and floral scent differentiation in species of the Philodendron bipinnatifidum complex (Araceae) by Gottsberger, Gerhard, Silberbauer-Gottsberger, Ilse, Dötterl, Stefan

“…The Philodendron bipinnatifidum complex of Philodendron subgenus Meconostigma may comprise four species, which because of only slight and not very distinct…”
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Annona longipedicellata, a new species of Annonaceae from the Brazilian Amazon region by Webber, Antonio Carlos, Gottsberger, Gerhard

“…Abstract A new species of Annonaceae, Annona longipedicellata, from the Brazilian Amazon is described and illustrated. It differs from A. hypoglauca and A…”
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Pollination and evolution in neotropical Annonaceae by Gottsberger, Gerhard

“…The most prominent pollination mode in neotropical Annonaceae is pollination by beetles. Flowers are protogynous and have fruity, spicy or unpleasant odors…”
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Heterodichogamy and nitidulid beetle pollination in Anaxagorea prinoides, an early divergent Annonaceae by Teichert, Holger, Dötterl, Stefan, Gottsberger, Gerhard

“…Heterodichogamy in a natural population of an Annonaceae species from the rainforests of French Guiana is described for the first time. Anaxagorea prinoides…”
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Sugar and amino acid composition of ant-attended nectar and honeydew sources from an Australian rainforest by Bluthgen, N, Gottsberger, G, Fiedler, K

“…Ants (Hymenoptera: Formicidae) consume a broad spectrum of liquid food sources including nectar and honeydew, which play a key role in their diet especially in…”
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The reproductive biology of Voyria (Gentianaceae) species in French Guiana by Hentrich, Heiko, Kaiser, Roman, Gottsberger, Gerhard

“…The reproductive biology of the mycoheterotrophic Voyria caerulea, V. clavata and V. rosea (Gentianaceae) was studied in French Guiana. Floral characteristics…”
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A novel pollination mode, saprocantharophily, in Duguetia cadaverica (Annonaceae): A stinkhorn (Phallales) flower mimic by Teichert, Holger, Dötterl, Stefan, Frame, Dawn, Kirejtshuk, Alexander, Gottsberger, Gerhard

“…Duguetia cadaverica (Annonaceae), a small understory tree of humid primary forest from the Guianas to Pará state, Brazil, unites several unusual blossom and…”
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Interactions of the Cerrado Palms Butia paraguayensis and Syagrus petraea with Parasitic and Pollinating Insects by Silberbauer-Gottsberger, Ilse, Vanin, Sérgio Antonio, Gottsberger, Gerhard

“…The two cerrado palms Butia paraguayensis and Syagrus petraea were studied with regard to parasitizing and pollinating insects that visit their reproductive…”
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Diversity Pays in Crop Pollination by Westerkamp, Christian, Gottsberger, Gerhard

“…Pollination is an often overlooked but large cost factor in crop production. In spite of the high diversity of flowers, which requires an adequate diversity of…”
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Floral scent compounds of Amazonian Annonaceae species pollinated by small beetles and thrips by Jürgens, Andreas, Webber, Antonio C, Gottsberger, Gerhard

“…Chemical analysis (GC–MS) yielded a total of 58 volatile compounds in the floral scents of six species of Annonaceae distributed in four genera ( Xylopia,…”
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Canopy Operation Permanent Access System: a novel tool for working in the canopy of tropical forests: history, development, technology and perspectives by Gottsberger, Gerhard

“…Key message The development of a new, low-impact, canopy-access system is described from its original idea until the final realization after about 30 years …”
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How diverse are Annonaceae with regard to pollination? by GOTTSBERGER, GERHARD

“…Studies during the last decades on representatives of Annonaceae have revealed their diversification with regard to pollination. Examples are given of species…”
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Pollen: ovule ratio and its relationship with other reproductive traits in some Passiflora species (Passifloraceae) by Amela García, María Teresa, Miguez, María Belén, Gottsberger, Gerhard

“…The pollen/ovule (P/O) ratio has been used as predictor of the reproductive system of angiosperms (lowest P/O values correspond to obligate autogamous species…”
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Evolutionary steps in the reproductive biology of Annonaceae by Gottsberger, Gerhard

“…Flowers of Annonaceae are characterized by fleshy petals, many stamens with hard connective shields and numerous carpels with sessile stigmas often covered by…”
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The seedpod gum of Parkia pendula (Fabaceae) as a deadly trap for vertebrates by Piechowski, Daniel, Gottsberger, Gerhard

“…In the literature, it has been mentioned that the seedpod gum of Parkia pendula is used for catching birds. Here we present an observation of a Tropidurus…”
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Flower and fruit development of Parkia pendula (Fabaceae, Mimosoideae) by Piechowski, Daniel(Ulm University nstitute of Systematic Botany and Ecology), Gottsberger, Gerhard(Ulm University Botanical Garden and Herbarium)

“…Parkia pendula occurs in Brazil in Amazonia and in the northeastern Atlantic Forest. In the latter, its buds, nectar, and seedpod gum are discussed to be…”
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