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Fritillaria glauca

Siskiyou fritillaria, Siskiyou fritillary, Siskiyou missionbells

talus fritillary

Purdy's fritillary

Bulb scales

large 3–9; small 1–9.

large 2–4; small 8–32.

large 2–8; small 0–3.

Stem

0.8–2 dm.

0.7–2 dm.

1–4 dm.

Leaves

2–4, alternate, 3.5–9 cm;

blade lanceolate-oblong, sickle-shaped, glaucous.

2–6, alternate, ± fleshy near stem, 3.5–8.5 cm;

blade broadly linear, folded, sickle-shaped.

2–10, alternate, ± crowded near ground, 2.5–10 cm;

blade ovate, occasionally a few sickle-shaped.

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;

tepals clearly mottled rusty brown and yellow adaxially, greenish abaxially, obovate, 1.5–2.2 cm, apex not recurved;

nectaries obscure, yellowish green, spotted brownish, broadly lanceolate to ± diamond-shaped, 1/2–2/3 tepal length;

style obviously branched for ca. 2/3 its length, branches longer than 1.5 mm.

horizontal or nodding;

tepals white, with purple spots or lines and pink shading, 1.5–3 cm, apex often slightly recurved;

nectaries obscure, colored like tepals, broadly linear, ± equaling tepal length;

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

Capsules

broadly winged.

acutely angled.

acutely angled.

2n

= 24.

= 24.

= 24.

Fritillaria glauca

Fritillaria falcata

Fritillaria purdyi

Phenology Flowering Jun–Jul. Flowering Mar–Apr. Flowering Apr–Jun.
Habitat Serpentine talus slopes Serpentine talus Dry ridges, generally on serpentine
Elevation 600–2100 m (2000–6900 ft) 300–1200 m (1000–3900 ft) 400–2100 m (1300–6900 ft)
Distribution
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[BONAP county map]
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

This is a rare, relatively restricted endemic found only in the San Francisco Bay region and slightly northward.

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

Source FNA vol. 26, p. 169. FNA vol. 26, p. 169. FNA vol. 26, p. 171.
Parent taxa Liliaceae > Fritillaria 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. gentneri, F. glauca, 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. pinetorum, F. pluriflora, F. pudica, F. recurva, F. striata, F. viridea
Synonyms F. atropurpurea var. falcata
Name authority Greene: Erythea 1: 153. (1893) (Jepson) D. E. Beetle: Madroño 7: 148. (1944) Eastwood: Bull. Torrey Bot. Club 29: 75, plate 6. (1902)
Web links 
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