Species Information - Bulbophyllum scaphioglossum

Bulbophyllum scaphioglossum J.J.Verm. & Rysy, Orchidee 65 (2014) 142, fFig. 2, 8, 9, 10, 11, 13.

Type: Rysy cult. s.n. (10-2013)

Synonyms:

Epiphyte, rather small. Rhizome 0.4-0.5 cm diam.; rhizome scales not persistent. Pseudobulbs loosely clustered, 0.8-1.2 cm apart, (obliquely) erect, ovoid(­conical), 1.5-2.5 by 0.7-1.0 cm, more or less rounded with fine longitudinal grooves. Leaf petiole 1.3-2.0 cm long; blade elliptic to obovate, 7.0-10.5 by 1.3-2.1 cm, index 5-7; apex acute. lnflorescence 7-8 cm long, 1- flowered. Peduncle 3.8-5.5 cm long; scales c. 2. Flora! bracts c. 0.75 cm long. Pedicel and ovary c. 0.28 cm long. Median sepal recurved to reflexed, elliptic-oblong, 3.3-3.6 by c. 0.4 cm, index 8.2-9; margins entire; apex minutely cuneate and acute; glabrous; 3-nerved. Lateral sepals recurved to reflexed, elliptic-oblong, slightly oblique, 3.2-3.6 by c. 0.45 cm, index 7.1-8.0. Petals porrect, ovate-triangular, c. 0.1 by 0.15-0.18 cm, index 0.5-0.7; margins distinctly erose towards the apex; apex obtuse; glabrous; 1-nerved. Lip slightly recurved, long elliptic, clawed, 2.7-3.1 by c. 0.52 cm, (when spread lip c. 0.85 cm wide), index 5.1-6.0; the very base deeply concave, cavity in front bordered by a transverse ridge and a convex crest; claw c. 0.15 cm wide (not spread); margins more or less entire, glabrous; apex obtuse; upper side at the base shortly slightly concave, then increasingly convex and with a prominent high ridge with a more or less sharp crest and concave sides up to the apex of the lip, surface glabrous; underside deeply concave and with a median furrow, surface rugose, particularly towards the median line. Column c. 0.28 cm long; stigma obovate-oblong, with a rounded median ridge just below its base; projection above the ligament thickened, rounded, transverse, concave, fitting into the basal cavity of the lip; stelidia inconspicuous, an oblong, somewhat obliquely cut-off structure including a slightly antrorse, deltoid, acute tooth along the upper and lower margin, c. 0.06 cm long; Anther with a distinct, rounded, papillose crest, median part hardly concave, drawn out into a deltoid, more or less acute beak.
(after Vermeulen & Rysy 2014)

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