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|Title:||A New Species Of Eriosema (leguminosae, Papilionoideae, Phaseoleae) From Mato Grosso Do Sul, Brazil, With A Secretory Structure Novel To The Genus|
Elisa Silva; De Vargas
Vidal De Freitas; Machado
Silvia Rodrigues; Fortuna-Perez
|Abstract:||Eriosema grearii, a new species for the genus (Leguminosae, Papilionoideae, Phaseoleae, Cajaninae), is described and illustrated. Similar to E. heterophyllum, it differs from it morphologically by the free (vs. joined) stipules, lax flowers distributed along the inflorescence axis (vs. congested and concentrated at its apex), inflorescences not opposite to the leaves (vs. opposite), and leaflets with secretory cells at the base of trichomes (vs. absence of secretory cells at the base of trichomes). A survey of the leaflet secretory structures revealed that E. grearii has distinct secretory structures, referred here as secretory- base trichomes, and reported for the first time for the Phaseoleae tribe. An identification key for the Eriosema species in Mato Grosso do Sul, where the new species occurs, is provided.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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