A new species of Dalechampia from Brazil is described and illustrated. Dalechampia erythrostyla is a twining vine and forms relatively dense populations in a disturbed area of the Atlantic Forest, where it has been facing a high risk of extinction. This species is superficially similar to D. alata, D. papillistigma, D. pentaphylla, D. purpurata, and D. violacea, but it differs from them in multiple morphological aspects, including leaf division, size of petiolar stipules and stipels, leaflet shape, number and color of lobes of involucral bracts, number and margin of pistillate sepals, color, size, and shape of stigma.
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15 December 2016
Dalechampia erythrostyla (Euphorbiaceae), a New Species from Northeastern Brazil
Rafaela Alves Pereira-Silva,
Sarah Maria Athiê-Souza,
Ricardo de S. Secco,
André Laurênio de Melo,
Margareth Ferreira de Sales
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Systematic Botany
Vol. 41 • No. 4
Oct-Dec 2016
Vol. 41 • No. 4
Oct-Dec 2016
Atlantic forest
Dioscoreifoliae
Plukenetieae
taxonomy