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thread-leaf brodiaea

chaparral brodiaea, chaparral cluster-lily, Jolon brodiaea, mesa brodiaea

Scape

20–30 cm, slender.

5–15 cm, slender.

Flowers

14–20 mm;

perianth violet-reddish purple, tube narrowly cylindrical, 6–8 mm, transparent, splitting in fruit, lobes widely spreading, 10–14 mm;

filaments 0.5–1 mm, base not triangular, with narrow abaxial wings;

anthers linear, 3–5 mm, apex widely notched;

staminodia inconspicuous, reflexed against perianth, purple, threadlike, 2–4 mm, apex subulate;

ovary 4–5 mm;

style 6–7 mm;

pedicel 1–4 cm.

14–24 mm;

perianth bluish violet, tube cylindrical or narrowly campanulate, 7–9 mm, thick, opaque, not splitting in fruit, lobes ascending, recurved distally, 11–18 mm;

filaments 1–2 mm, base dilated to form narrow 2-lobed triangular wing;

anthers linear, 4–6 mm, apex with V-shaped notch;

staminodia leaning inward toward stamens, violet, broad, 5–6 mm, margins 1/4 involute, apex broad, hooded, slightly notched;

ovary light purple, 5–6 mm;

style 5–7 mm;

pedicel 1–4 cm.

2n

= 24.

= 12, 36.

Brodiaea filifolia

Brodiaea jolonensis

Phenology Flowering spring (Apr–May). Flowering spring (Apr–May).
Habitat Grasslands, vernal pools Grasslands, foothill woodlands, coastal prairies, on clay flats
Elevation 0–300 m (0–1000 ft) 0–300 m (0–1000 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

Brodiaea filifolia is endangered. It grows on clay soils at the edges of vernal pools and flood plains in southern California. It has been extirpated from Los Angeles and San Bernadino counties and is seriously threatened by development, vehicles, and agriculture in Riverside and San Diego counties. It is in cultivation.

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

Brodiaea jolonensis grows along the southern coast of California as well as on Santa Cruz, Santa Rosa, and Santa Catalina islands. T. F. Niehaus (1971) was impressed by the distinctive flavonoid chemistry of this plant compared to that of other members of the genus.

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

Source FNA vol. 26, p. 325. FNA vol. 26, p. 325.
Parent taxa Liliaceae > Brodiaea Liliaceae > Brodiaea
Sibling taxa
B. appendiculata, B. californica, B. coronaria, B. elegans, B. insignis, B. jolonensis, B. kinkiensis, B. minor, B. orcuttii, B. pallida, B. purdyi, B. stellaris, B. terrestris
B. appendiculata, B. californica, B. coronaria, B. elegans, B. filifolia, B. insignis, B. kinkiensis, B. minor, B. orcuttii, B. pallida, B. purdyi, B. stellaris, B. terrestris
Synonyms Hookera filifolia
Name authority S. Watson: Proc. Amer. Acad. Arts 17: 381. (1882) Eastwood: Leafl. W. Bot. 2: 111. (1938)
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