No abstract

Two nomenclatural novelties are validated: Alternanthera paronychioides subsp. chacoensis (Morong) Pedersen and Alternanthera paronychioides subsp. pilosa (Moq.) Pedersen. Seventeen lectotypes are designated : Alternanthera adscendens Suess., Alternanthera philoxeroides f. angustifolia Suess., Alternanthera philoxeroides var. lancifolia Chodat, Gomphrena celosioides var. aureiflora Stuchlík, Gomphrena celosioides f. suberecta Stuchlík, Gomphrena decumbens var. albiflora Stuchlík, Gomphrena decumbens var. aureiflora Stuchlík, Gomphrena decumbens var. roseiflora Stuchlík, Gomphrena regeliana f. grandifolia Chodat, Pfaffia brachiata Chodat, Pfaffia iresinoides var. angustifolia O. Stützer, Pfaffia luzuliflora var. paniculata O. Stützer, Pfaffia luzuliflora subsp. squarrosa O. Stützer, Pfaffia luzuliflora f. virgata O. Stützer, Pfaffia stenophylla var. basilignosa Chodat, Pfaffia tenuis N. E. Br. and Telanthera brasiliana f. capitata Chodat. Holzhammer's lectotypification of Gomphrena pulchella var. ecristata Chodat is corrected. Two neotypes are designated : Mogiphanes aquatica D. Parodi and Telanthera philoxeroides var. linearifolia Chodat. Fourteen new synonyms in the genera Alternanthera Forssk., Froelichia Moench, Gomphrena L. and Pfaffia Mart. are published. Eleven invalid and 11 dubious names are listed.Resumen RAMELLA, L. (2016). Nomenclatura, tipificaciones y sinónimos nuevos en la familia Amaranthaceae de la Flora del Paraguay. Candollea 71: 311-326. En español, resúmenes en inglés y español.

The lectotype specimen of Echinodorus longipetalus Micheli is designated acording to the rules, correcting a prior but erroneous lectotypification. Four infraspecific names in Sagittaria L. are formally treated as synonyms, remaining one dubious name. Sagittaria montevidensis f. flaviflora Chodat is lectotypified.Resumen LEHTONEN, S. & L. RAMELLA (2017). Tipificaciones y sinónimos nuevos en Echinodorus Engelm. y Sagittaria L. (Alismataceae) de la Flora del Paraguay. Candollea 72: 405-407. En español, resúmenes en inglés y español.

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To facilitate an ongoing taxonomic revision of Pseudobombax Dugand as part of studies on the systematics of Neotropical Bombacoideae (Malvaceae), we clarify the typification of 16 names in Bombacoideae that were published by Emil Hassler and Robert Chodat based mostly on specimens collected by Hassler in Paraguay and collected by Robert Fries and Gustaf Malme in Argentina and Brazil. We designate 4 lectotypes for the following names: Bombax elegans R. E. Fr., Bombax longi florum var. emarginatum Hassl., Bombax marginatum subsp. meridionale Hassl., Bombax marginatum var. praecox Hassl. An epitype is designated for Bombax elegans R. E. Fr. In addition, we narrow down André Robyns' lectotypification of Bombax marginatum f. arboreum Chodat to a single specimen.