Plant Systematics and Evolution

, Volume 163, Issue 1–2, pp 21–29 | Cite as

Floral biological observations onHeliamphora tatei (Sarraceniaceae) and other plants from Cerro de la Neblina in Venezuela

  • Susanne S. Renner


During 20 days in 1985, floral biological observations were made at 1 850–2 100m elevation on Cerro de la Neblina in Venezuela.Heliamphora tatei var.neblinae (Sarraceniaceae) is nectarless and has poricidal anthers.Heliamphora tatei, Graffenrieda fruticosa, G. polymera, G. reticulata, Tocca pachystachya, T. tepuiensis (Melastomataceae),Saxofridericia compressa, andStegolepsis neblinensis (Rapateaceae), are buzz-pollinated by ten species ofBombus, Eulaema, Melipona, Centris, Xylocopa, Dialictus, andNeocorynura. Additional observations of floral visits on tepui species ofGentianaceae, Loranthaceae, Malpighiaceae, Ericaceae, Orchidaceae, andAsteraceae are reported. Visitors include the hummingbirdCampylopterus duidae, the flower-piercerDiglossa duidae, the nectarivorous batAnoura geoffroyi, and various species ofCentris andBombus bees. Scent baits for euglossine bees attracted very few bees.Apis mellifera adansonii-scutellata, the africanized honey bee, was caught at 1 850m elevation.

Key words

Angiosperms Sarraceniaceae Melastomataceae Rapateaceae Gentianaceae Loranthaceae Malpighiaceae Ericaceae Orchidaceae Campylopterus duidae Diglossa duidae Anoura geoffroyi africanized honey bee Pollination by bees buzz pollination Flora of Neblina 


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Copyright information

© Springer-Verlag 1989

Authors and Affiliations

  • Susanne S. Renner
    • 1
  1. 1.Dept. of Botany, Smithsonian InstitutionNational Museum of Natural HistoryWashington, D.C.USA

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