Abstract
Fieldwork in western Oaxaca and central Guerrero, in connection with the project to enumerate the flora of the Mixteca Alta region of Oaxaca, has resulted in the discovery of the following taxa:Psacaliopsis paneroi var.juxtlahuacensis, Roldana mixtecana (Senecioneae);Sinclairia ismaelis (Liabeae);Cosmos juxtlahuacensis, Tagetes arenicola, andVerbesina juxtlahuacensis (Heliantheae). All but the last are illustrated, and their distinctive morphological traits are discussed and compared to putative sister species.
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Literature Cited
Panero, J. L. 1992. Systematics ofPappobolus (Asteraceae: Heliantheae). Syst. Bot. Monogr. 36: 1–195.
Turner, B. L. 1989. Revisionary treatment of the genusSinclairia, includingLiabellum (Asteraceae, Liabeae). Phytologia 67: 168–206.
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Panero, J.L., Villaseñor, J.L. Novelties in Asteraceae from southern Mexico. Brittonia 48, 79–90 (1996). https://doi.org/10.2307/2807667
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DOI: https://doi.org/10.2307/2807667