Anthurium panduriforme Schott

Ortiz, Orlando Oriel, de Stapf, María Sánchez, Baldini, Riccardo Maria & Croat, Thomas Bernard, 2019, Synopsis of aroids (Alismatales, Araceae) from Cerro Pirre (Darién Province, Panama), Check List 15 (4), pp. 651-689 : 667

Anthurium panduriforme Schott ( Fig. 4D)

Material examined. Cerro Pirre, Rancho Carajo, Serranía del Pirre, PN Darién, bosque nuboso; 07°58′59″N, 077°42′29″W; 1118 m; 21 Apr. 2016; J. E. Batista 1578 ( PMA). Middle slopes on W side of Cerro Pirre; 07°56′N, 077°45′W; 800–1050 m; 29 Jun. 1988; T. B. Croat 68918 ( MO). Ridgetop area N of Cerro Pirre, between Cerro Pirre top and Rancho Plastico; 07°51′N, 077°42′W; 1200– 1400 m; 14 Nov. 1977; J. P. Folsom 6337 ( MO). Summit of Cerro Pirre, cloud forest; 07°55′21″N, 077°42′57″W; 1000–1400 m; 29 Dec. 1972; A. H. Gentry 7029 ( MO). Parque Nacional Darién, caminando entre Campamento Rancho Frío No. 2 hacia la cima de Cerro Pirre; 08°00′N, 077°45′W; 700–1000 m; 7 Feb. 1991; H. Herrera 858 ( MO). Ibid., Cerro Pirre; 07°46′N, 077°44′W; 1600 m; 12 May 1999; A. Zapata 1566 ( PMA).

Identification. Anthurium panduriforme is characterized by its epiphytic habit, short internodes, fibrous, deciduous cataphylls in most nodes, bright-yellow (when dry) panduriform blades with almost orbicular posterior lobes, and yellow spadices. According to the characteristics mentioned, there are no similar species in the study area. However, herbarium specimens can be confused with those of A. niqueanum Croat , but the latter differs in having long internodes, bullate blades and red- dish spadices.

Distribution and ecology. Colombia, Costa Rica, Ecuador, and Panama. This species of wide distribution is common in the submontane and montane forests of Cerro Pirre, usually in areas above 800 m. It is relatively common and usually grows on the lower branches of the host trees (between 2 and 5 m).