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Davidson's fritillary, pine fritillary, pine woods fritillary

stink bells

Bulb scales

large 2–5; small 45–50.

large 2–9; small 0–2.

Stem

1–4 dm, ± glaucous.

3–6 dm.

Leaves

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.

5–12, alternate, crowded near proximal center of stem, 5–15 cm;

blade linear to lanceolate-oblong.

Flowers

± 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.

nodding, odor definitely unpleasant;

tepals greenish to purplish brown adaxially, white or yellow abaxially, ovate, 1.8–3.5 cm, apex not recurved;

nectaries prominent, green, narrowly linear, forming narrow band 2/3 to equaling tepal length;

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

Capsules

angled.

angled.

2n

= 26.

= 24.

Fritillaria pinetorum

Fritillaria agrestis

Phenology Flowering May–Jun. Flowering Mar–Apr.
Habitat Shaded or partially shaded granitic slopes Depressions with clay or other heavy soils
Elevation 1800–3200 m (5900–10500 ft) 0–500 m (0–1600 ft)
Distribution
from FNA
CA
[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.)

This species is uncommon.

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

Source FNA vol. 26, p. 170. FNA vol. 26.
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. glauca, F. liliacea, F. micrantha, F. ojaiensis, F. pluriflora, F. pudica, F. purdyi, F. recurva, F. striata, F. viridea
F. affinis, 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. purdyi, F. recurva, F. striata, F. viridea
Synonyms F. atropurpurea var. pinetorum F. biflora var. agrestis
Name authority Davidson: Muhlenbergia 4: 67. (1908) Greene: Erythea 3: 67. (1895)
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