Anthurium jaimeanum Croat & C. E. Cerón and A. pahumense C. E. Cerón & Croat (Araceae) are described and illustrated. The two species are members of A. sect. Porphyrochitonium Schott from the W slopes of the Ecuadorian Andes in Pichincha Province. Anthurium jaimeanum occurs at 1800 m in a premontane rain forest life zone, whereas A. pahumense is found at 1800–2200 m in a lower montane wet forest life zone. The new species are unusual in A. sect. Porphyrochitonium, a group characterized by having short internodes and glandular punctate blades, in that they have unusually long internodes.
References
G. Benavides &
T. B. Croat
2000: Araceae. — Pp. 73–87 in:
R. Valencia,
N. Pitman,
S. León-Yánez &
P. M. Jørgensen
(ed.), Libro Rojo de las plantas endémicas del Ecuador 2000. — Quito: Herbario QCA, Pontificia Universidad Católica del Ecuador. Google Scholar
C. E. Cerón
&
C. I. Reyes
2008: Diversidad y composición de Araceae, Reserva Orquideológica Pahuma, Pichincha-Ecuador. — Libro de Resúmenes del XII Congreso Nacional de Botánica, Universidad Nacional Amazónica de Madre de Dios, Pto. Maldonado-Perú. Google Scholar
T. B. Croat
1999: Araceae. — Pp. 227–246 in:
P. M. Jørgensen &
S. León-Yánez (ed.),
Catalogue of the vascular plants of Ecuador. — Monogr. Syst. Bot. Missouri Bot. Gard. 75. Google Scholar
T. B. Croat
&
J. Rodríguez de Salvador
1995: Contributions to the Araceae flora in northwestern Pichincha Provincia, Ecuador. Part 1: Anthurium of ENDESA Reserve. — Aroideana 18: 46–148. Google Scholar
L. R. Holdridge,
W. H. Hatheway,
T. Liang &
J. A. Tosi
1971: Forest environments in tropical life zones: a pilot study. — Oxford, New York: Pergamon. Google Scholar
C. Ulloa Ulloa
&
D. A. Neill
2005: Cinco años de adiciones a la flora del Ecuador. 1999–2004. — St. Louis: Missouri Botanical Garden. Google Scholar
