TY  - EJOU
AU  - SS, Torres Robles  
AU  - Peter, G  
AU  - Tur, NM  

TI  - Notes on the sexual condition of <i>Myriophyllum aquaticum</i>, Haloragaceae
T2  - Phyton-International Journal of Experimental Botany

PY  - 2011
VL  - 80
IS  - all
SN  - 1851-5657

AB  - <i>Myriophyllum aquaticum</i> (Vell.) Verdc. is native of South America and has a pantropical distribution. This species has been cited as dioecious, monoecious and polygamous. The purpose of this paper was to contribute to the discussion of its sexual condition, based on herbarium material, and supported by field observations. Herbarium material from Argentina was examined. Also, twenty branches from the Punta Lara Nature Reserve (Buenos Aires, Argentina) were periodically sampled to record the sex of flowers present on each whorl during the flowering period of 2002. Both in herbarium material and in field, we observed specimens with branches bearing either female or male, and specimens with female and male flowers on the same branch. Some of these materials have also fruits. Our observations support the idea that <i>M. aquaticum</i> is not a strictly dioecious species, at least in Argentina.
KW  - Dioecy
KW  -  Monoecy
KW  -  <i>Myriophyllum aquaticum</i>
KW  -  Punta Lara

DO  - 10.32604/phyton.2011.80.133