Kalmar “genus” tana nufin rarrabuwa taxonomic a ilmin halitta da ake amfani da ita wajen haɗa nau’ukan da ke da alaƙa ko halaye iri ɗaya. Kalmar "Heliamphora" ita ce sunan jinsin tsire-tsire masu cin nama waɗanda suka fito daga Kudancin Amirka, musamman yankunan Venezuela, Guyana, da Brazil. Waɗannan tsire-tsire an san su da sifarsu ta musamman, waɗanda ke da tsari irin na tulu da ake amfani da su don kamawa da narkar da kwari da sauran ƙananan halittu. Don haka, kalmar “genus Heliamphora” tana nufin rarrabuwar harajin duk nau’in tsiro da ke cikin halittar Heliamphora.