Heuchera pilosissima

Fischer & C. A. Meyer

Index Seminum (St. Petersburg) 5: 36. 1838 ,.

Common names: Seaside alum-root
Endemic
Synonyms: Heuchera hemisphaerica Rydberg Heuchera pilosissima var. hemisphaerica (Rydberg) Rosendahl
Treatment appears in FNA Volume 8. Treatment on page 93. Mentioned on page 84, 87.

Herbs caulescent; caudex branched. Flowering stems 3–22 cm, short to long stipitate-glandular, viscid. Leaves: petiole (7–22 cm), densely long stipitate-glandular; blade suborbiculate or pentagonal or septagonal, deeply 5–7-lobed, 8–9 cm, base deeply cordate, lobes rounded, margins crenate, apex obtuse, surfaces moderately to densely long stipitate-glandular, viscid. Inflorescences dense. Flowers: hypanthium radially symmetric, free to 1.6 mm, pink, hemispheric, 2–3 mm, densely long stipitate-glandular; sepals erect, green- or red-tipped, equal, 0.8–2.2 mm, apex obtuse; petals spreading, white or pink, oblong-elliptic, unlobed, 1.5–3.5 mm, margins entire; stamens exserted 0.4–2.3 mm; styles exserted 1–1.4 mm, 1.5–2 mm, 0.1+ mm diam. Capsules ovoid, 2.5–10 mm, beaks divergent, not papillose. Seeds black, broadly fusiform, 0.6 mm. 2n = 14, 28.


Phenology: Flowering Mar–Jun.
Habitat: Pine belts on coastal bluffs on sandstone or decomposed granite
Elevation: 10-500 m

Discussion

Heuchera pilosissima occurs in the marine zone and in the Coast Ranges.

Selected References

None.

Lower Taxa

None.
... more about "Heuchera pilosissima"
Elizabeth Fortson Wells +  and Barbara Greene Shipes +
Fischer & C. A. Meyer +
Seaside alum-root +
Calif. +  and Oreg. +
10-500 m +
Pine belts on coastal bluffs on sandstone or decomposed granite +
Flowering Mar–Jun. +
Index Seminum (St. Petersburg) +
Heuchera hemisphaerica +  and Heuchera pilosissima var. hemisphaerica +
Heuchera pilosissima +
Heuchera +
species +