Trans. Acad. Sci. St. Louis 3: 305. 1875.
Plants acaulescent, freely suckering; rosettes solitary or densely cespitose, 3–6 × 6–12 dm. Leaves mostly erect, widest near base, 20–40 (–50) × 0.7–2.5 cm; blade yellowish green or deep green, with or without conspicuous white budprints on both surfaces, linear, firm, adaxially plane or somewhat concave toward apex, abaxially convex to deeply convex toward base; margins straight, filiferous or not, unarmed, fibers erect to spreading, sparse, white, filiform, brittle; apex acuminate to long-acuminate, spine brown or grayish, acicular, 0.8–1.9 cm. Scape 1.6–4 m. Inflorescences spicate or subspicate to narrowly racemose-paniculate, laxly flowered on distal 1/4–1/2; bracts caducous, narrowly triangular, 2–4 cm; peduncle 4 cm or shorter. Flowers 1 or 2–3 (–6) per cluster, erect, (2.9–) 3–5 cm; perianth yellow, tube funnelform, 8–11 (–14) × 5–8 (–13) mm, limb lobes erect to incurved, subequal, (7–) 11–16 mm; stamens slightly exserted; filaments inserted high in perianth-tube, 6–13 mm above tube base at 1 or 2 levels, erect, yellow, 1.5–2.2 cm; anthers light to deep yellow, (7.5–) 10–17 mm; ovary 0.8–1.6 cm, neck constricted, 3–9 mm. Capsules short-pedicellate, obovoid, 1–2.2 cm, apex rounded to beaked. Seeds 3–3.5 mm.
sw United States, nw Mexico
Varieties 2 (2 in the flora).
|1||Leaves 0.7–1.2 cm wide, blade yellowish green, with conspicuous bud-prints, margins filiferous, apical spine 0.8–1.2 cm; flowers 2.9–4.2 cm; inflorescences spicate.||Agave schottii var. schottii|
|1||Leaves 1.2–2.5 cm wide, blade deep green, without bud-prints, margins nonfiliferous, apical spine 1.2–1.9 cm; flowers 3.5–5 cm; inflorescences subspicate to narrowly racemose-paniculate.||Agave schottii var. treleasei|
"broadened" is not a number."widest" is not a number."dm" is not declared as a valid unit of measurement for this property.