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1 October 2007 Two New Species and Three Lectotypifications in the Ibatia-Matelea Complex (Apocynaceae: Asclepiadoideae) from Northern South America
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Abstract

Two new species of Matelea (Apocynaceae: Asclepiadoideae, Gonolobinae) are described from northern South America: M. fontana and M. pacifica. The species belong to the Ibatia-Matelea complex, but exhibit distinct differences in floral characters from previously known taxa, including the structure of gynostegial coronas. A key and descriptions to members of the northern South American and West Indian Ibatia-Matelea complex is provided, including M. cumanensis, M. maritima, and M. rubra. Asclepias maritima, Cynanchum fimbriatum, and Ibatia muricata are lectotypified.

Alexander Krings and Amanda C. Saville "Two New Species and Three Lectotypifications in the Ibatia-Matelea Complex (Apocynaceae: Asclepiadoideae) from Northern South America," Systematic Botany 32(4), 862-871, (1 October 2007). https://doi.org/10.1043/06-85.1
Published: 1 October 2007
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