Comments on flower evolution and beetle pollination in the generaAnnona andRollinia (Annonaceae)

Bernhardt, P., Thien, L. B., 1987: Self-isolation and insect pollination in the primitive angiosperms: new evaluations of older hypotheses. ? Pl. Syst. Evol.156: 159?176.

Crowson, R. A., 1981: The biology of theColeoptera. ? London, New York: Academic Press.

Ehrendorfer, F., Krendl, F., Habeler, E., Sauer, W., 1968: Chromosome numbers and evolution in primitive angiosperms. ? Taxon17: 337?353.

Endress, P. K., 1986: Reproductive structures and phylogenetic significance of extant primitive angiosperms. ? Pl. Syst. Evol.152: 1?128.

Fries, R. E., 1931: Revision der Arten einiger Annonaceen-Gattungen. ? Acta Horti Bergiani10: 129?341, Tt. 1?27.

?, 1959:Annonaceae. ? InMelchior, H., (Ed.): Die natürlichen Pflanzenfamilien. 2nd ed.,17 a II. ? Berlin: Duncker & Humblot.

Gazit, S., Galon, I., Podoler, H., 1982: The role of nitidulid beetles in natural pollination ofAnnona in Israel. ? J. Amer. Soc. Hort. Sci.107: 849?852.

Gottsberger, G., 1974: The structure and function of the primitive angiosperm flower ? a discussion. ? Acta Bot. Neerl.23: 461?471.

?, 1977: Some aspects of beetle pollination in the evolution of flowering plants. ? Pl. Syst. Evol. Suppl.1: 211?226.

?, 1988: The reproductive biology of primitive angiosperms. ? Taxon37: 630?643.

?, 1989: Beetle pollination and flowering rhythm ofAnnona spp. (Annonaceae) in Brazil. ? Pl. Syst. Evol.167: 165?187.

?,Silberbauer-Gottsberger, I., Ehrendorfer, F., 1980: Reproductive biology in the primitive relic angiospermDrimys brasiliensis (Winteraceae). ? Pl. Syst. Evol.135: 11?39.

Morawetz, W., 1984a: Karyologie, Ökologie und Evolution der GattungAnnona (Annonaceae) in Pernambuco, Brasilien. ? Flora175: 435?447.

?, 1984b: How stable are genomes of tropical woody plants? Heterozygosity in C-banded karyotypes ofPorcelia as compared withAnnona (Annonaceae) andDrimys (Winteraceae). ? Pl. Syst. Evol.145: 29?39.

?, 1986a: Remarks on karyological differentiation patterns in tropical woody plants. ? Pl. Syst. Evol.152: 49?100.

?, 1986b: Systematics and karyoevolution inMagnoliidae:Tetrameranthus as compared with otherAnnonaceae genera of the same chromosome number. ? Pl. Syst. Evol.154: 147?173.

Safford, W. E., 1914: Classification of the genusAnnona with descriptions of new and imperfectly known species. ? Contr. U.S. Natl. Herb.18: 1?68, tt. 1?41.

Sauer, W., Ehrendorfer, F., 1984: Notes on the karyosystematics ofAnnonaceae. ? Pl. Syst. Evol.146: 47?55.

Thien, L. B., 1980: Patterns of pollination in the primitive angiosperms. ? Biotropica12: 1?13.

Webber, A. C., 1981a: Biologia floral de algumasAnnonaceae na região de Manaus A. M. ? Thesis I.N.P.A., Manaus.

?, 1981b: Alguns aspectos da biologia floral deAnnona sericea Dun. (Annonaceae). ? Acta Amazonica11: 61?65.

Wester, P. J., 1910: Pollination experiments with Anonas. ? Bull. Torrey Bot. Club37: 529?539.

Willemstein, S. C., 1987: An evolutionary basis for pollination ecology. ? Leiden: E. Brill, Leiden Univ. Press.