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Xenostegia, a new genus of Convolvulaceae

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Stigma anatomy, pollen morphology, cotyledon structure and other traits suggest that two species formerly considered members ofMerremia fall outside an acceptable range of variation for that genus. A new genus,Xenostegia, is proposed for these two species.

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Literature Cited

  • Austin, D. F. 1973. The American Erycibeae (Convolvulaceae):Maripa, Dicranostyles andLysiostyles-I. Systematics. Ann. Missouri Bot. Gard. 60: 306–412.

    Article  Google Scholar 

  • —. 1979. An infrageneric classification forIpomoea (Convolvulaceae). Taxon 28(4): 359–361.

    Article  Google Scholar 

  • —. 1980a. Additional comments on infrageneric taxa inIpomoea (Convolvulaceae). Taxon 29(2): 29: 501–502.

    Article  Google Scholar 

  • -. 1980b. Convolvulaceae.In: M. D. Dassenayake and F. R. Fosberg, editors. Flora of Ceylon 1: 288–363.

  • Ferguson, I. K., B. Verdcourt & M. M. Poole. 1977. Pollen morphology in the generaMerremia andOperculina (Convolvulaceae) and its taxonoraic significance. Kew Bull. 31(4): 763–773, pl. 30–33.

    Article  Google Scholar 

  • Grisebach, A. H. R. 1864. Convolvulaceae.In: Flora of the British West Indian Islands. Rheeve & Co., London. pp. 466–476.

    Google Scholar 

  • Hallier, H. 1893. Convolvulaceae africanae. Bot. Jahrb. Syst. 18: 81–160.

    Google Scholar 

  • Lewis, W. H. & R. L. Oliver. 1965. Realignment ofCalystegia andConvolvulus (Convolvulaceae). Ann. Missouri Bot. Gard. 52: 217–222.

    Article  Google Scholar 

  • O’Donell, C. A. 1941. Revision de las especies americanas de “Merremia” (Convolvulaceae). Lilloa 6: 467–554.

    Google Scholar 

  • Ooststroom, S. J. van. 1939. The Convolvulaceae of Malaysia II. Blumea 3: 267–371.

    Google Scholar 

  • -. 1953. Convolvulaceae.In: C. G. G. J. van Steenis. Flora Malesiana, ser. 1, 4: 390–512.

  • Stafleu, F. A., Chairman Editorial Committee. 1978. International code of botanical nomenclature. Regnum Veg. 97.

  • Staples, G. W. III. 1979. Generic relationships ofIpomoea, Merremia andOperculina. M. S. thesis, Florida Atlantic University.

  • Verdcourt, B. 1963. Convolvulaceae.In: C. E. Hubbard and E. Milne-Redhead. Flora of Tropical East Africa. London.

  • —. 1971. The genusCardiochlamys Oliv. (Convolvulaceae). Kew Bull. 26: 137–140.

    Article  Google Scholar 

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Austin, D.F., Staples, G.W. Xenostegia, a new genus of Convolvulaceae. Brittonia 32, 533–536 (1980).

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