Lithophragma campanulatum

Howell

Fl. N.W. Amer., 200. 1898 (as campanulata) ,.

Common names: Siskiyou Mountain woodland star
Endemic
Synonyms: Lithophragma laciniatum Eastwood ex Small & Rydberg
Treatment appears in FNA Volume 8. Treatment on page 81. Mentioned on page 78.

Plants slender to robust. Flowering stems often branched, 25–45 cm. Leaves in basal rosette and cauline, basal 3-lobed, cauline (1–2), 3-lobed, reduced, more finely dissected than basal; stipules small, not decurrent on petiole, (margins raggedly fimbriate); petiole 4–8 cm; blade dark green or reddish green, orbiculate, (base rounded), surfaces moderately hairy. Inflorescences 1–3, (lax), erect, 2–11-flowered racemes, sometimes branched, (10–25 cm). Pedicels shorter than hypanthium, (flowers ± sessile). Flowers persistent, fragrant, pendulous; hypanthium broadly campanulate, elongating slightly in fruit, throat not constricted, (length 2 times diam.); sepals erect in bud, widely spreading after anthesis, triangular; petals (partly included), spreading, white, ovate-elliptic, lamina tonguelike, narrowly clawed, palmately lobed, 3–7 mm, ultimate margins lacerate; ovary superior; styles well exserted in fruit; stigma papillae apical. Seeds 0.6 mm, tuberculate (tubercles in 3–19 distinct rows, blunt).


Phenology: Flowering Apr–Jul.
Habitat: Well-drained, moist, semishaded slopes with northern exposure, oak-coniferous woodlands
Elevation: 100-2200 m

Discussion

Lithophragma campanulatum is known from the Siskiyou Mountains, adjacent Klamath and Cascade mountains, and adjacent Sierra Nevada in northern California and southern Oregon.

Selected References

None.

Lower Taxa

None.