Bulbophyllum stockeri J.J.Verm., Nordic J. Bot. 26 (2008) 193, fig. 37
Type: Stocker cult. 21 (holo SING), from PNG, Madang Prov.
Rhizome 3.5-4.5 mm in diameter, creeping, bract fibres rather thick, persistent. Pseudobulbs c. 2 by 0.8 cm, ovoid. Leaves: petiole c. 1.5 cm long; blade c. 17 by 4.5 cm, index (length/width) c. 3.8, elliptic, obtuse. Inflorescence c. 6 cm long, 1-flowered; peduncle patent (not seen). Flowers widely opening. Pedicel-with-ovary c. 44 mm long, basal node on a c. 5 mm long stump. Dorsal sepal 16-25 by 9-10 mm, index 1.8-2.5, spreading, elliptic-ovate, obtuse, margins entire, base rather narrowly attached, thick, surface glabrous. Lateral sepals 15-25 by 9.5-11 mm, index 1.3-2.3, free, ovate-triangular, (sub-) acute, base broadly attached, otherwise as the dorsal sepal. Petals 13-17 by 6.5-7 mm, index 1.8-2.6, spreading, elliptic to obovate, subacute, margins entire, base rather narrowly attached, thick, surface glabrous. Lip 8.7-10 by 5.5-6 mm, index 1.6-1.7 (all not flattened), more or less straight, elliptic-ovate, rounded, margins with a rounded edge above the base when observed in side view, entire, thick, surface glabrous; adaxially hardly concave near the base, flat or somewhat convex towards the tip; abaxially with a truncate ridge near the base, top part more or less flat. Column 5.5-6.5 mm long; stigma without teeth at the base; foot without ridges; stelidia c. 1.2 mm long, porrect, deltoid, obtuse to subacute, near the base of the column with a slight, rounded wing; anther-cap and pollinia not seen. (After Vermeulen, 2008)
Colours: Sepals and petals cream-coloured, sepals slightly greenish at the tip, all with numerous dark reddish brown dots, lip pale greenish cream suffused and spotted with reddish brown.
Flowering time in the wild: May.
Distribution: Malesia (New Guinea).
Distribution in New Guinea: Papua New Guinea; Papua New Guinea; see map 96-2283M.jpg.