Appendicula cyphochiloides Ormerod, Checkl. Papuasian Orch. (2017) 22, 460 (fig.).
Type: Brass 12304 (holo AMES; iso BRI)
Epiphyte. Roots from the basal nodes of the stem, terete, pubescent, 0.05-0.075 cm thick. Stem terete, leafy throughout, unbranched or with up to six branches, 38.5 by 0.1-0.2 cm; branches 4.0-9.5 cm long; internodes to 1.3 cm long. Leaves narrowly lanceolate, 1.5-4 by 0.22-0.45 cm; leaf sheaths tubular, truncate, opposite leaf lamina with a 0.18 cm deep gap; apex 3-dentate, tips to 0.1 cm long. lnflorescences axillary, unbranched, 2.2-2.7 cm long; base covered by 2-3 loose sheaths; peduncle 0.35-0.7 cm long; rachis flexuous, 1.9-2 cm long; floral bracts lanceolate, concave, patent, to 0.3 by 0.11-0.12 cm, with acute apex. Flowers lax, opening in succession, up to 9 per inflorescence. Pedicel and ovary terete, 0.34-0.37 cm long. Median sepal ovate, 0.25 by 0.15-0.16 cm; apex subacute; 1-nerved. Lateral sepals obliquely ovate, 0.3 by 0.2 cm (along midnerve); mentum broadly rounded, shortly ellipsoid, c. 0.12 cm long; midnerve broadly keeled; apex subacute. Petals oblong, 0.26 by 0.08 cm; apex obtuse; 1-nerved. Lip cuneate, 0.32 by 0.19 cm; basal 2/3rd with a broad, fleshy, U-shaped callus which has at the base 4 thickenings; below the apex with a small, low rounded callus; apex truncate-2-lobulate. Column erect, short, c. 0.13 cm long; column foot c. 0.12 cm long. (After Ormerod, 2017).