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Amianthium muscitoxicum (Walter) A. Gray
Family: Melanthiaceae
flypoison
[Melanthium muscaetoxicum Walter,  more]
Amianthium muscitoxicum image
Stems 3-12(-14) dm. Leaves 10-45(-60) × 0.5-2.8 cm. Inflorescences densely ovoid in flower, cylindric in fruit, 3-13 × 2-3 cm; bracts ovate, 1-2 mm. Tepals 5-7 mm; pedicel (7-)10-17(-20) mm. Capsules 5-7 mm. Seeds 4-5 × 1.5-2 mm. 2n = 32. Flowering late spring--summer. Dry or mesic wooded slopes, meadows, savannas; 0--1500 m; Ala., Ark., Del., D.C., Fla., Ga., Ky., La., Md., Miss., Mo., N.J., N.Y., N.C., Okla., Pa., S.C., Tenn., Va., W.Va.
Basal lvs linear, to 4 dm נ2 cm, obtuse or abruptly acute; cauline lvs much reduced or bract-like; stem 3-10 dm; raceme at first conic, becoming cylindric, 3-12 נ2-3 cm; fls 1 cm wide; 2n=32. Open woods; s. N.Y., Pa., W.Va., Ky., Mo., and Okla., s. to Fla. and Ark. June, July. (Chrosperma m.)

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

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