Bulbinella potbergensis P.L.Perry

Plants medium-sized, solitary. Roots many, fascicled, with slight proximal swellings and possibly also distal, with a wiry basal part, skin silvery brown. Fibrous sheathing neck formed from cataphylls; inner layer up to 150 mm long, compactly reticulate, light brown, basal 30 mm purple; outer older layers ±30 mm long, 12 mm wide, reticulate, dark greyish brown. Leaves only 1 in all specimens examined, 500-800 x 2 mm, semi-terete, base slightly winged to clasp peduncle but not sheathing, bright yellow immediately above stem disc; blade shallowly canaliculate towards base, bluish green, somewhat coriaceous, stiffly erect with tip dying back at anthesis; margin smooth. Raceme narrowly conical, 35-55 mm long in flower and bud, 9-15 mm wide, with 40-50 flowers; peduncle terete, 340-500 mm long, 1.5 mm in diameter, light green becoming reddish brown towards inflorescence; bracts broad-based, cymbiform extending to inward curving attenuate apex, 1.75-2.00 mm long, membranous, hyaline with a reddish brown midrib, margin irregularly dentate. Flowers stellate, 6.5-7.0 mm in diameter; pedicels 5 mm long, pale green. Tepals equal to subequal, 4 x 1.5 mm, yellow with a faint green midrib, pale orange in bud. Filaments erecto-patent, filiform, apiculate, yellow. Ovary yellow; style yellow. Capsule and seeds not known.