Malacothrix foliosa subsp. philbrickii

W. S. Davis

Madroño 44: 236. 1997.

Common names: Philbrick’s desertdandelion
Treatment appears in FNA Volume 19. Treatment on page 316. Mentioned on page 315.

Stems (1–)3–5(–10), erect (when single) or decumbent to ascending, branched proximally and/or distally. Distal cauline leaves oblanceolate to lanceolate usually pinnately lobed (from bases to near apices). Calyculi of 5–12+, oblong to linear bractlets (sometimes ± intergrading with phyllaries). Involucres 6–9(–11) × 2.5–5(–7) mm. Phyllaries 12–21+ in 2–3 series. Corollas medium yellow, 8–16 mm; outer ligules exserted 4–8 mm. Cypselae ± prismatic (5-angled), 1.3–1.7 mm, 5 ribs more prominent than others. 2n = 14.


Phenology: Flowering Mar–Jul.
Habitat: Open sandy areas, dunes, or between shrubs in island chaparral
Elevation: 0–100 m

Discussion

Of conservation concern.

Subspecies philbrickii is known only from Santa Barbara Island.

Selected References

None.

Lower Taxa

None.