Romneya coulteri

Harvey
London J. Bot. 4: 75, plate 3. 1845.
EndemicIllustrated
Treatment appears in FNA Volume 3.

Plants 10-25 dm. Leaves 5-20 cm. Flowers: calyx distinctly beaked at bud apex, glabrous; petals 6-10 cm. Capsules 3-4 cm. Seeds dark brown, papillose. 2n = 38.


Phenology: Flowering spring–summer (Apr–Aug).
Habitat: Dry washes, canyons
Elevation: less than 1200 m

Discussion

Romneya coulteri shares with Hibiscus lasiocarpos the distinction of having the largest flowers of any plant native to California.

Selected References

None.

Lower Taxa

None.