Macleania costeroides Sleumer, Bot. Jahrb. Syst. 71: 401.  1941.  Type.  Ecuador.  Napo:  Canelos, forest, ca. 350 m, 19 Jan 1937 (fl), Schultz-Rhonhof 2126 (holotype, B, unicate, destroyed).

        Epiphytic shrub (?);  mature stems rounded, glabrous.  Leaves chartaceous, ovate, 5-12 x 3-7 cm, basally rounded or broadly cuneate, apically rounded and sometimes slightly emarginate, marginally somewhat revolute;  plinerved (?) from the base, the midrib slightly impressed above, the lateral nerves long ascending, minutely elevated beneath, reticulate veinlets strongly prominent all over;  petiole 5-6 mm long.  Inflorescence racemose to subcorymbose, lax, glabrous;  rachis 3-4 cm long;  pedicels 1-1.5 cm long, glabrous;  floral bract seemingly deciduous;  bracteoles subulate, deciduous.  Flowers with calyx 6-7 mm long, the hypanthium campanulate, glabrous, the lobes deltoid, subacuminate 3 mm long;  corolla carnose, subglobose but strongly contracted near the apex, ca. 7 mm long, glabrous, yellowish (fide label ?), shortly lobed;  stamens 10, ca. 7 mm long;  filaments 1.5 mm long, glabrous, possibly slightly coherent;  thecae strongly granular, 4 mm long, abruptly terminating in tubules;  tubules connate, ca. 2 mm long, dehiscing by clefts ca. 1 mm long;  style fusiform, 7.5 mm long, glabrous.  Fruit not seen.

        Distribution.  Ecuador.