120-150 cm high), the leaf blades subligulate, canaliculate
, yellowish at base and reddish toward the apex, purple spotted, scape bracts yellowish-green, densely purple-spotted, apex apiculate, inflorescence shorter (15-20 mm vs.
18 x 11 cm, inconspicuously and minutely brown lepidote on both sides, coriaceous, outside brown colored near the base and purplish-wine spotted toward the apex, inside pale colored; blades linear-attenuate, not narrowed at base, 120-160 x 4.7-7.5 cm, thinly coriaceous, strongly nerved mainly adaxially, inconspicously and sparsely white-lepidote to glabrescent, green, distinctly canaliculate
mainly toward the base, apex acuminate-caudate, recurved.
4 x 3.5 cm (not including the primary bracts), fascicles densely arranged, rachis not visible; primary bracts strongly spreading-recurved, longer than the fascicles, with a greenish, suborbicular base and a bronze-colored, narrowly triangular-attenuate, canaliculate
, acuminate-caudate blade, densely and coarsely cinereous-lepidote on both sides, distinctly nerved abaxially, the basal ones 3 to 4 times longer than the fascicles (excluding the petals), the upper ones twice as long as the fascicles (excluding the petals), margins densely (at the base) to laxly (toward the apex) spinose, spines prevailingly spreadingretrorse, narrowly triangular-acicular, 1.5-3 mm long, ca.
2 x 4 cm, pale colored, glabrescent toward the base, densely and coarsely white-lepidote at apex, densely spinulose toward the apex, spines reddish, membranaceous; Blades sublinear, attenuate and ending in an acuminate-caudate apex, 43-65 x 2.5-3.3 cm, slightly narrowed and distinctly canaliculate
toward the base, channel U-shaped, without a distinct thicker median zone, dark green except for the base sometimes reddish, upper and lower sides strongly contrasting, adaxially inconspicuously and sparsely to subdensely white lepidote, abaxially completely covered by a coarse layer of white trichomes, margins slightly undulate, densely spinose, spines 0.5-1 mm long, 2-5 mm apart, antrorsely uncinate, green to reddish; Scape distinct, 11-15 cm long, ca.
3 x 3.3 cm, densely and minutely spinulose at apex, greenish-white, glabrous toward base, densely and coarsely white-lepidote and strongly corrugate at apex; blades narrowly triangular, apex slenderly acuminate-caudate, 15-18 x 2-2.3 cm, not narrowed toward base, strongly coriaceous but without any thicker central zone, strongly canaliculate
, green, densely and coarsely white-lepidote abaxially with trichomes obscuring leaf color, adaxially densely white-lepidote toward base and glabrous toward apex, margins straight, subdensely spinulose; spines 1-1.5 mm long, 3-8 mm apart, the basal ones subspreading to slightly retrorse, the upper ones slightly antrorse-uncinate.
Inflorescence simple, densely capitate-rosulate, 5- to 8-flowered, erect, 2.5-3 cm long, 3.5-4 cm in diameter; floral bracts narrowly ovate, apex acuminate, distinctly canaliculate
, navicular, ecarinate to obtusely carinate, strongly recurved, exceeding the sepals, dark red to wine colored toward the apex, thin in texture to thinly coriaceous, abaxially sparsely white-lepidote near the apex to glabrous, distinctly nerved, adaxially glabrous, 18-30 x 9-13 mm, densely spinose, spines narrowly triangular, retrorse to antrorse, straight to strongly recurved-uncinate, dark red, ca.
It is characterized as terrestrial or saxicolous, with well-developed rhizomes, slightly succulent, long and canaliculate
narrow leaves, inflorescence simple and racemose, sepals and petal free and stamen enclosed.