Agrostophyllum arabukanum Ormerod, Orchadian 17 (2013) 376, fig.
Type: RBG Edinburgh cult. 680963 (holo E).
Epiphytic (?) herb. Rhizome and roots not seen. Stems caespitose, rather laxly foliose, 42.3 by 0.2-0.42 cm across the sheaths; at the base subterete, higher up weakly to moderately compressed. Leaves linear-ligulate, 2.6-4.9 by 0.21-0.3 cm; leaf sheaths open to near apex of next sheath, 0.2-0.5 cm long; stipules lanceolate, with acute apex; apex equally to unequally bicuspidate, tips 0.1-0.35 cm long. Inflorescence terminal, c. 1 by 0.4 cm, composed of several bracts and sheaths, probably flowering in succession, producing two flowers at a time on old stems. Pedicel and ovary clavate-subterete, 0.7 cm long; apex with 2 small, ventral, downward-pointing, deltate to lanceolate winglets with acute apex (rarely bidentate). Median sepal broadly oblong-lanceolate, 0.54 by 0.22 cm; weakly carinate in apical third; apex acute; 5-nerved. Lateral sepals obliquely elliptic, c. 0.63 by 0.3 cm;tip shortly carinate; apex subacuminate; 5-nerved. Petals obliquely ligulate-lanceolate, 0.49 by 0.15 cm; apex acute; 3-nerved. Lip 3-lobed, 0.69-0.6.95 cm long; hypochile shortly retrorse saccate, with thick keels, lateral lobes oblique, 0.3 by 0.15 cm; ligula subquadrate, bidentate,minutely papillose on lateral margins, raising 0.09 cm above the lateral lobes; epichile widely rhombic, weakly trilobulate, 0.39 by 0.68 cm, the midlobule widely and shortly triangular, 0.09 by 0.21 cm. Column obliquely erect to erect, 0.375 cm long (without anther cap).
(after Ormerod 2013)