Disa esterhuyseniae Schelpe ex H.P.Linder

Plants slender, grass-like, c. 300 mm tall; radical leaves up to 10, hysteranthous, petioles 30-50 mm long, blades lorate to lanceolate, 20-30 mm long, margins undulate, cauline leaves lax, completely sheathing, c. 20 mm long. Inflorescences slender, lax; bracts about as long as the ovaries, acuminate. Flowers yellow-green suffused with brown. Median sepal erect, acuminate, galea 4 x 2 mm deep; spur cylindrical, horizontal, apex clavate and usually curved upwards, 6 mm long; lateral sepals lanceolate, acute, shallowly concave, 6 mm long, shortly apiculate. Petals erect next to the stigma, oblong, truncate, venation falcate, 2 mm tall. Lip linear, 3 mm long. Anther horizontal, massive; stigma on a 0.8 mm long pedicel, stig-matic surface deeply concave; lateral rostellum lobes partly flanking the anther, a deep notch beªtween them, with a single (probably connate) visªcidium, central lobe small, fleshy.