Toxicoscordion venenosum(synonym of Zigadenus venenosus) |
Toxicoscordion fremontii(synonym of Zigadenus fremontii) |
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meadow death camas, poison camas |
Fremont's death camas, Fremont's star lily |
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Habit | Plants 20–70 cm tall. | Plants (10)40–90 cm tall. |
Bulbs | not clumped, tunicate, widely ovate, 10–30 × 8–20 mm; outer layer brown. |
not clumped; ovoid to spherical, 1–4 × 0.5–4 cm; outer layer black. |
Stems | glabrous. |
glabrous. |
Leaves | 12–50 cm × 2–10 mm. |
(5)20–50 cm × (2)5–30 mm. |
Inflorescences | generally racemes, occasionally panicles, 10–50-flowered, 2–20 × 2–5 cm; branches less than 33% length of entire inflorescence; at 10–60° from main axis when fruiting; bracts 5–25 mm long, white to green; pedicels 3–25 mm. |
panicles or racemes; open, 2–80-flowered, 5–40 cm; proximal branches 33–50% length of inflorescence, spreading at 60–90° from main axis; bracts 5–50 mm long, green; pedicels 10–50 mm. |
Flowers | bisexual, campanulate 5–10 mm in diameter; tepals ovate to obtuse, 2–6 × 1–3 mm; outer and inner tepals clawed, persistent in fruit; gland greenish yellow. |
bisexual, 15–25 mm in diameter; tepals widely ovate to obtuse, 5–15 × 2–6 mm; outer and inner tepals clawed, persistent in fruit; gland yellow. |
Fruits | cylindrical 8–14 × 4–5 mm. |
cylindrical; (8)10–35 × 4–11 mm. |
2n | =22. |
=22. |
Toxicoscordion venenosum |
Toxicoscordion fremontii |
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Distribution | ||
Discussion | Moist meadows to dry rocky hillsides. Flowering Apr–Jul. 0–2600m. All ecoregions except Est. CA, ID, NV, WA; north to British Columbia, east to UT. Native. |
Grassy or wooded slopes, outcrops. Flowering Apr–Jul. 0–500m. CR, Est, Sisk. CA; south to northern Baja California. Native. |
Source | Flora of Oregon, volume 1, page 314 Tamra Prior |
Flora of Oregon, volume 1, page 313 Tamra Prior |
Sibling taxa | ||
Synonyms | Toxicoscordion venenosum var. gramineum, Zigadenus venenosus, Toxicoscordion venenosum var. venenosum, Zigadenus venenosus var. gramineus, Zigadenus venenosus var. venenosus, Zygadenus venenosus, Zygadenus venenosus var. venenosus | Zigadenus fremontii |
Web links |