Tulista marginata (Lam.) G.D.Rowley

Plants caulescent, about 20 cm high, about 15 cm diam., (not) or slowly proliferous from the base. Leaves about 35 in a dense multifarious rosette the young erect, ± incurved, the old ascending, recurved, whitish-green, smooth on the upper and lower surfaces, firm, up to 80 mm long, about 40 mm broad, up to 12 mm thick, ovate-lanceolate long tapering, with a reddish pungent tip; upper surface concave, channelled near the apex; lower surface rounded, with a central raised keel; margins smooth, whitish, horny. Inflorescence branched, up to 500 mm tall, branched from above the middle, with about 3 to 4 branches each subtended at the base by a 9 mm long acuminate bract; peduncle naked, slender, up to 200 mm tall, 4 mm diam., raceme about 300 mm long, lax, with about 25 flowers and buds on each of the branches, the branches about 260 mm long, 1 to 2 flowers open simultaneously; floral bracts membranous, ovate acuminate, clasping the pedicels, 3 mm long, keeled with reddish-brown veins, (longer than the pedicels); pedicels 2 mm long, 1.5 mm diam., green, erect; perianth pinkish-white, with green keels to the segments, 13 mm long, compressed at base, funnel-shaped, tube more or less 4 mm across, constricted to 3 mm above, curved; segments free to the base, limb 2 lipped; posterior segments erect or slightly recurved, spreading, with whitish-green veins; exterior part strongly recurved, spreading, replicate, translucent white with pale green veins; stamens 6 of two lengths 5.5 and 6.5 mm long, inserted within the perianth tube; ovary 3.25 mm long, 1.5 mm diam., style 1.75 mm long, straight, not capitate.