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Perennial garlic-scented herb from an egg-shaped, scaly bulb, the bulbs clustered with several hard-shelled bulblets within the outer scales, which are yellow-brown, vertically grooved, and fibrous; flowering stems erect, 30-100 cm tall, slender, cylindric, solid, smooth.
Usually 2 to 4, borne below the middle of the flowering stem, linear, cylindric, hollow, much shorter than the stem, 1-2 mm wide, long-sheathing at the base, smooth, the margins entire.
Inflorescence a compact, terminal, head-like cluster of several to many, stalked flowers or the flowers largely replaced by bulbils, above 1 membranous, lanceolate bract, the stalks 4- to 5-times as long as the flowers; flowers greenish-white to purplish, bell-shaped, of 6 distinct tepals; tepals 3-4 mm long, oblong-egg-shaped, blunt, erect; stamens 6, the inner 3 longer than the tepals and with filaments bearing a pair of lateral appendages; pistil 1, 3-chambered.
Capsules, more or less egg-shaped, 3-lobed, lacking distinct crests; seeds 6 or fewer, black.
Source: The Illustrated Flora of British Columbia