Hypotrachyna enderythraea (Zahlbr.) Hale

Hypotrachyna enderythraea

Parmelia enderythraea Zahlbruckner, 1929:136. [Type collection: Based on P. erythrocardia Zahlbruckner.]

Parmelia erythrocardia Zahlbruckner, 1908, p. 466. [Type collection: Camarinhas, Brazil, Damazio 1761 (W, lectotype). Not P. erythrocardia (Müller Argau) Vainio, 1900:7.]

Thallus adnate to loosely adnate on rock or soil, massicot yellow, 4–8 cm in diameter: lobes variable, linear-elongate, often crowded, 1–3 mm wide; upper surface plane, continuous, sometimes pruinose at the tips; lower surface moderately rhizinate, the rhizines often projecting beyond the margins. Apothecia rare, adnate, 2–15 mm in diameter; spores 7μ–8μ × 13μ–15μ.

CHEMISTRY.—Cortex K–; medulla K+, P+ orange to red (galbinic, norstictic, salazinic, and usnic acids).

DISTRIBUTION.—Panama, Jamaica, Andean region from Venezuela to Bolivia, and southeastern Brazil.

HABITAT.—On soil and rocks in open forests and in the paramo at 2200–3700 m elevation.