Clintonia andrewsiana Torr.

Plants 3–8 dm; rhizomes short, thick. Cauline leaves 4–6; blade dark green, oblanceolate to broadly elliptic, 20–35 × 5–15 cm. Inflorescences in terminal, umbel-like clusters, 1–3(–5) lateral clusters usually present, 20–45-flowered; bracts 1–3(–5), foliaceous. Flowers: tepals deep claret red, narrowly oblong to oblanceolate, 10–18 × 3–3.7 mm; filaments 7–10 mm; anthers oblong, 1.8–2.8 mm. Berries blue to bluish black, ovoid, 10–30-seeded, 8–12 mm. Seeds 3–4 mm. 2n = 28.