6. Epidendrum constricolumna Hágsater, Chocce & E. Santiago, (2009: t. 1226). (Figure 4E).

Type:— PERU. Amazonas: Prov. Bongará, Corosha, cerca al área de conservación Hierba Buena-Allpayacu, 2720 m, 24 September 2008, M . Chocce 4782 (Holotype: USM!)

Distribution:— Peru, in the departments of Amazonas and La Libertad. The species is distributed in the eastern cordillera of the Andes in northeast Peru, with a relatively wide elevation range (1400 m).

Notes:— Epidendrum constricolumna is similar to E. ovatilabium, but is distinguished by the orbicular lip, (vs. narrowly elliptic lip), the 3–4 flowers, (vs. 4–8 flowers), and the sepals 8 mm long, oblong-elliptic, oblique (vs. sepals 12–12.5 mm long, oblong-oblanceolate, strongly falcate).

Conservation Status:— DD. Data deficient.

Examined specimens: — PERU. La Libertad: Pataz, 3250 m, 23 May 1961, A . López 3471, (AMES! (pro-parte) HUT!)