Velascoa (Crossosomataceae), un género nuevo de la Sierra Madre Oriental de México

摘要: On the basis of specimens collected in NE extreme Mexican state Queretaro Velascoa recondita is described as a new genus and species. It considered to be member Crossosomataceae rupicolous microphyllous shrub because its flower with gynoecium two free carpels, well similarities characters fruit arillate seed. However, differs from remaining known members this family elongate tubular hypanthium which bears 10 almost sessile anthers distal extreme, lack nectariferous disk at base pistil.