Heteropsis croatii M.L.Soares

Plant hemiepiphytic, scandent; internodes 3 – 5 cm × 2.8 – 5 mm, longitudinally striate when dried, quadrangular, usually sulcate, grey-greenish brown; lateral bud c. 1 – 2 mm long, straight to introrsely curved, with pointed apex. Leaf: petiole 5 – 8 × 1.6 – 2.8 mm; sheath very often sinuate at the margin, especially those of the flowering shoot; geniculum c. 4 mm long; leaf blade 15 – 26 × 5 – 8.4 cm, oblanceolate, subcoriaceous, greenish brown on both surfaces when dried, 1.1 – 2.7 mm thick, apex 1.5 – 2.5 cm long, acuminate-attenuate, base shortly attenuate, midrib weakly sulcate, primary and secondary lateral veins impressed on the upper surface, prominent on lower surface, submarginal collective vein prominent, c. 1.5 mm from margin, with a single outer submarginal vein. Inflorescence: terminal and axillary, flowering shoot 3.5 – 10.5 cm long, internodes 1.5 – 3 cm× 1.8 – 3 mm, matt brown, weakly quadrangular; peduncle 0.5 – 0.6 × 0.2 cm, usually extrorsely twisted at apex; spathe c. 3.5 × 1.5 cm, convolute, longer than spadix, cuspidate, yellowish, apex acuminate; spadix 1.5 – 2 cm× 6 – 7mm, cylindric, apex rounded, cream, stipitate; stipe 0.3 – 0.6 cm × 1.4 – 1.7 mm, subcylindric to weakly quadrangular. Flowers: stamens c. 1.5 × 0.75 mm; gynoecium: c. 2.5 × 2.5 mm, prismatic, apex 2.5 – 3.5 mm wide, locules 2 per ovary; ovules 2 per locule, 1 – 1.5 mm long, anatropous, subsessile, usually one smaller than the other; placentation sub-basal; stigma discoid. Infructescence: c. 5.5 cm × 3.3 mm; berry 0.6 – 1 cm × 5 – 8 mm, bright orange; seed, 0.6 – 1 cm × 6 × 7.5 mm, obovoid, pulp orange, testa subrugose.