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thread-leaf brodiaea

appendage brodiaea, Hoover's brodiaea

Scape

20–30 cm, slender.

10–45 cm, stout.

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.

24–38 mm;

perianth violet purple, tube cylindrical, 8–12 mm, translucent, splitting in fruit, lobes ascending, recurved distally, 15–22 mm, usually less than twice length of tube;

filaments 4–7 mm, base not triangular, with 2 threadlike, forked appendages;

anthers obcordate, 3–6 mm, apex hooked;

staminodia erect, usually white, narrowly linear, 8–15 mm, margins 1/2 involute, wavy, apex rounded;

ovary 5–6 mm;

style 9–12 mm;

pedicel 4–10 cm.

2n

= 24.

= 12.

Brodiaea filifolia

Brodiaea appendiculata

Phenology Flowering spring (Apr–May). Flowering spring (Apr–May).
Habitat Grasslands, vernal pools Grasslands, open woodlands, gravelly clay soils
Elevation 0–300 m (0–1000 ft) 0–600 m (0–2000 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[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.)

This uncommon species is found at low altitudes in the Sierra foothills of central and northern California, usually in stony, red clay soils that become baked very hard during the flowering season. It is rare or extirpated from coast-range foothills.

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

Source FNA vol. 26, p. 325. FNA vol. 26, p. 322.
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. californica, B. coronaria, B. elegans, B. filifolia, B. insignis, B. jolonensis, 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) Hoover: Madroño 4: 130, fig. 1. (1937)
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