Limnanthes douglasii subsp. sulphurea

(C. T. Mason) C. T. Mason

Madroño 36: 50. 1989.

Common names: Point Reyes meadowfoam
Basionym: Limnanthes douglasii var. sulphurea C. T. Mason Univ. Calif. Publ. Bot. 25: 477, fig. 7, plates 43, 44, 45b. 1952
Treatment appears in FNA Volume 7. Treatment on page 178. Mentioned on page 175, 176, 177.

Leaflets: blade ovate, margins irregularly toothed or lobed. Flowers cup- or bell-shaped; sepals lanceolate-ovate, 8–10 mm; petals yellow (veins yellow), obovate-cuneate, 12–18 mm (apex deeply emarginate); filaments 4 mm; anthers yellow, oval, 1.5 mm. Tubercles absent or not (without surface globules, appearing slick), brown, lamellar, planar, or conical. 2n = 10.


Phenology: Flowering Apr–Jun.
Habitat: Wet meadows of coastal prairies
Elevation: 0-100 m

Discussion

Of conservation concern.

Subspecies sulphurea is easily recognized by its entirely yellow petals. It is known only from Point Reyes, Marin County, and the Butano Creek area, San Mateo County (R. Ornduff 1971).

Selected References

None.

Lower Taxa

None.