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Fritillaria glauca

Siskiyou fritillaria, Siskiyou fritillary, Siskiyou missionbells

Davidson's fritillary, pine fritillary, pine woods fritillary

Bulb scales

large 3–9; small 1–9.

large 2–5; small 45–50.

Stem

0.8–2 dm.

1–4 dm, ± glaucous.

Leaves

2–4, alternate, 3.5–9 cm;

blade lanceolate-oblong, sickle-shaped, glaucous.

4–20, in whorls of 2–3 leaves per node proximally, alternate distally, 5–15 cm, often equaling or larger than inflorescence;

blade linear, glaucous;

distal leaves usually ca. 1/3–1/2 length of proximalmost leaf.

Flowers

nodding;

tepals purplish or greenish marked with yellow, lanceolate-oblong, 1.5–2.5 cm, apex not recurved;

nectaries green with maroon dots, broadly lanceolate, less than 1/2 tepal length;

style obviously branched for 1/2 its length, branches longer than 1.5 mm.

± erect, occasionally nodding;

tepals purplish, clearly mottled greenish yellow, 1.4–1.9 cm, apex not recurved;

nectaries obscure, yellow, dotted brown, widely ovate, 2/3 tepal length;

style obviously branched to near base, branches longer than 1.5 mm.

Capsules

broadly winged.

angled.

2n

= 24.

= 26.

Fritillaria glauca

Fritillaria pinetorum

Phenology Flowering Jun–Jul. Flowering May–Jun.
Habitat Serpentine talus slopes Shaded or partially shaded granitic slopes
Elevation 600–2100 m [2000–6900 ft] 1800–3200 m [5900–10500 ft]
Distribution
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Fritillaria pinetorum is easily confused with F. atropurpurea.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 26, p. 169. FNA vol. 26, p. 170.
Parent taxa Liliaceae > Fritillaria Liliaceae > Fritillaria
Sibling taxa
F. affinis, F. agrestis, F. atropurpurea, F. biflora, F. brandegeei, F. camschatcensis, F. eastwoodiae, F. falcata, F. gentneri, F. liliacea, F. micrantha, F. ojaiensis, F. pinetorum, F. pluriflora, F. pudica, F. purdyi, F. recurva, F. striata, F. viridea
F. affinis, F. agrestis, F. atropurpurea, F. biflora, F. brandegeei, F. camschatcensis, F. eastwoodiae, F. falcata, F. gentneri, F. glauca, F. liliacea, F. micrantha, F. ojaiensis, F. pluriflora, F. pudica, F. purdyi, F. recurva, F. striata, F. viridea
Synonyms F. atropurpurea var. pinetorum
Name authority Greene: Erythea 1: 153. (1893) Davidson: Muhlenbergia 4: 67. (1908)
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