Angraecopsis gassneri G.Will., J. S. African Bot. 46: 340 (1980).
Mystacidium gassneri (G.Will.) R.Rice, Oasis 3: 13 (2006).
Plant with a short stem; roots slender, somewhat hairy, 2 mm in diameter. Leaves 3–5 in 2 rows, ligulate, unequally bilobed at the apex, margins undulate, 15–22 cm long, 2.5–3.5 cm wide. Inflorescences 1–3, bearing up to 20 flowers close together in the apical quarter; bracts 1 mm long; pedicel with ovary curved, 15 mm long. Flowers pale green; dorsal sepal ovate, obtuse, 3 mm long, 1.8 mm wide; lateral sepals ligulate, obtuse, 9 mm long, 1 mm wide; petals ovate, acute, joined to the lateral sepals near the base, 3.5–5 mm long, 1.5–3 mm wide; lip 3-lobed to 2 mm from the base, side lobes lanceolate, obtuse, curving outwards, nearly as long as mid-lobe of similar shape, in total 6 mm long; spur slender, parallel to the ovary, 15–18 mm long.
On trees and on granite rocks near a waterfall, in deep moss; 1300 m; flowering in March.
As given for the genus.
Similar to the widespread Angraecopsis trifurca but distinguished by the undulate leaf margin and the longer spur.
La Croix, I. & Cribb, P.J. (1998). Orchidaceae (Part 2) Flora Zambesiaca 11(2) Page 398; WCSP (2017). 'World Checklist of Selected Plant Families. 14.02-2017; http://apps.kew.org/wcsp/
Click on each image to see a larger version.