Tigridia amatlanensis (Tigridieae: Iridaceae), a new species from Oaxaca, Mexico

Rodriguez, A. (Departamento de Botanica y Zoologia, Universidad de Guadalajara, Apartado Postal 139, 45101 Zapopan, Jalisco, Mexico; e-mail: rca08742@cucba.udg.mx) & A. Garcia-Mendoza (Jardin Botanico, Instituto de Biologia, Universidad Nacional Autonoma de Mexico, Apartado Postal 70-614, 04510 Mexico, D.E, Mexico; e-mail: abisai@ibunam.ibiologia.unam.mx). Tigridia amatlartensis (Tigridieae: Iridaceae), a new species from Oaxaca, Mexico. Brittonia 56: 128-131. 2004.-Tigridia amatlanensis is described and illustrated as a new species from Mexico. It is recognized by its nodding flowers and its inner and outer tepals cirrhous and markedly dimorphic in length. It is most closely related to T. hallbergii subsp. hallbergii and T meleagris. Other morphologically similar species are T catarinensis and T molseediana.