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Fritillaria glauca

Siskiyou fritillary

Stems

5–20 cm.

Leaves

1–4(6), alternate, 3–11 cm long;

blades lance-ovate, sickleshaped, strongly glaucous.

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.

Fruits

capsules winged.

2n

=24.

Fritillaria glauca

Fritillaria agrestis

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.

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