is a medium to large, solitary or freely suckering and sometimes seeding agave with a basal rosette up to 3 m wide. Stem Short and thick. Leaves Thick and massive, lanceolate, narrowed above the thickened base frequently covering much of the stem, broadest above midway, usually acuminate, some leaves reflexed above the middle of the lamina, plane or guttered, light grey-green to grey-blue, some-times variegated, smooth to slightly asperous, up to 90-200 cm long and 9-25 (or more) cm wide, and have sharp spines on the margins and tips. The margin undulate to crenate. Marginal teeth variable, larger 5-10 mm, 2 - 6 cm apart, brown to pruinose-grey, recurved like fishhooks. The tip spine, is conical to subulate, scarcely decurrent, shiny brown to pruinose-grey, 2,5-5 cm long and can pierce deeply. Flowers Slender, erect, 6-10 cm long, yellow-green usually paired with laterally developing subsidiary bud. Ovary short tapering 3-4.5 cm long, greenish, neck grooved, tapering to the narrower base, shorter than the tepals. Tube 8-20 mm deep, 16-20 mm broad, funnelform, thick-walled, deeply grooved. Tepals yellow, tube funnel-shaped, 8-20 mm long, lobes unequal, 25-35 mm long pale yellow-green to pale-amber coloured. Stamen exerted, filaments 60-90 mm long. Anthers 12-36 mm long, linear, yellow. Pistil stout, elongate with 3-lobed stigma. Fruits (loculicidal capsules) Oblong-cylindrical, 4-5 cm long, rounded or short-beaked at apex, deishent. Seeds Flattened, lunate to lacrimiform, 7-8 mm long, 5-6 mm wide, shiny black.