Styloglossum habbemense (Ormerod & P.J.Cribb) T.Yukawa & P.J.Cribb, Bull. Natl. Mus. Nat. Sci., Tokyo, B. 40 (2014) 148.
Type: Brass 10259 (holo AMES!; iso L!).
- Calanthe habbemensis Ormerod & P.J. Cribb, Malesian Orchid Journal 8 (2011)51, fig. 7.
Creeping rhizomatous herb. Rhizome 20 cm or more long, creeping, stem-like; roots borne at the nodes. Erect stems up to 8 cm apart on the rhizome, flexuous elongate, terete, 5—6 cm tall; shortly tomentose. Leaves up to 4, suberect, in two rows, articulate, linear-lanceolate, 6—28 by 0.6—1 cm; base narrowed in a 3—4 cm long petiole; apex acuminate; glabrous. Inflorescence basal, erect, glabrous; peduncle terete, 2 cm long, covered in basal third with tubular, acute sheathing bracts; rachis 8-12- flowered; floral bracts caducous. Flowers suberect, glabrous. Median sepal concave, oblong- elliptic, 0.7—0.75 by 0.4 cm; apex rounded. Lateral sepals obliquely elliptic, 0.75—0.8 by 0.45—0.5 cm; apex acute. Petals obliquely spatulate-elliptic, 0.7 by 0.4 cm; apex rounded. Lip adnate to the column, 3-lobed; lateral lobes oblong; midlobe ovate, 0.3 by 0.25 cm, with acute apex, its apical margins crenulate; in the mouth of the spur with a 2-ridged callus; spur almost parallel to the ovary, cylindrical, 0.5—0.55 cm long; rounded at the apex. Column slender, dilated somewhat near the apex, 0.35 cm long.
(after Cribb, Ormerod & Dudley 2011)