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Fritillaria glauca

Siskiyou fritillary

checker-lily, chocolate lily, mission bells

Stems

5–20 cm.

10–70 cm.

Leaves

1–4(6), alternate, 3–11 cm long;

blades lance-ovate, sickleshaped, strongly glaucous.

in whorls of 2–8 per node and alternate, 4–14 cm long;

blades linear-lanceolate to ovate.

Flowers

cupshaped;

perianth segments oblanceolate to oblong, 1.5–2(2.5) cm long, yellow with purple mottling to purple with yellow mottling;

apex not recurved;

nectaries broad-lanceolate, 25-33% perianth segment length;

style branched for 50% its length.

cupshaped;

perianth segments oblong to ovate; (1.5)2–4 cm, brown-purple with yellow mottling to yellow-green with purple mottling, rarely unmottled;

apex not recurved;

nectaries yellow with purple dots; equal to or over 50% of perianth length;

style branched approximately 50% its length.

Fruits

capsules winged.

capsules winged.

2n

=24.

=24, 36.

Fritillaria glauca

Fritillaria affinis

Distribution
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
Discussion

Serpentine and non-serpentine gravelly slopes. Flowering Mar–Jun. 400–2100m. Casc, Sisk. CA. Native.

Fritillaria glauca is our only species that grows in serpentine soils. This species also grows in non-serpentine habitats. This begs the question: Was F. glauca historically a serpentine or non-serpentine endemic? The sickle-shaped and strongly glaucous leaves of F. glauca are distinct among Oregon fritillaries.

Meadows, edges of forests, open oak and pine forests, occasionally on somewhat rocky slopes and outcrops. Flowering Mar–Jun. 0–2100m. Casc, Col, CR, ECas, Est, Sisk, WV. CA, ID, WA; north to British Columbia. Native.

Fritillaria affinis is a highly variable species. Some morphologically distinct populations may deserve taxonomic recognition.

Source Flora of Oregon, volume 1, page 302
Stephen Meyers
Flora of Oregon, volume 1, page 301
Stephen Meyers
Sibling taxa
F. affinis, F. atropurpurea, F. camschatcensis, F. eastwoodiae, F. gentneri, F. pudica, F. purdyi, F. recurva
F. atropurpurea, F. camschatcensis, F. eastwoodiae, F. gentneri, F. glauca, F. pudica, F. purdyi, F. recurva
Synonyms Fritillaria affinis var. affinis, Fritillaria lanceolata
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