Spathiphyllum laeve Engl.

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 : 684-685

Spathiphyllum laeve Engl.

Material examined. Summit of Cerro Pirre, cloud forest; 07°55′21″N, 077°42′57″W; 1000–1400 m; 29 Dec. 1972; A. H. Gentry 7011 ( MO).

Identification. This species is characterized by having terrestrial habit, erect petioles, oblong-elliptic short acuminate blades, acute at base; inflorescences with narrow greenish spathes (slightly decurrent in the peduncles), greenish spadices, and flowers with fused tepals. Spathiphyllum laeve is the only species of the genus in Panama that has flowers with fused tepals and obsolete styles.

Distribution and ecology. Colombia, Costa Rica, Ecuador, El Salvador, Nicaragua, and Panama. On Cerro Pirre, S. laeve is a rare species because it is known from a single collection. According to the collection information, this species ocurrs in submontane or montane forests above 1000 m.