Heuchera brevistaminea


Contr. Dudley Herb. 1: 100, plate 8. 1929 ,.

Common names: Laguna Mountains alum-root
EndemicConservation concern
Treatment appears in FNA Volume 8. Treatment on page 99. Mentioned on page 87, 100.

Herbs acaulescent; caudex branched. Flowering stems 20–30 cm, sparsely long stipitate-glandular. Leaves: petiole sparsely short to long stipitate-glandular; blade orbiculate or reniform, shallowly 5-lobed, 1.5–4 cm, base shallowly cordate, lobes rounded, margins dentate, apex obtuse, surfaces sparsely long stipitate-glandular on veins abaxially, glabrous or long stipitate-glandular adaxially. Inflorescenses moderately diffuse. Flowers: hypanthium weakly bilaterally symmetric, free 1.5–2.2 mm on adaxial side, deep rose-purple, cylindric, 4–5 mm, short stipitate-glandular proximally, long stipitate-glandular distally; sepals spreading, green- and darker red-tipped, equal, 1.3–1.4 mm, apex rounded; petals spreading, white, broadly oblanceolate, unlobed, 4–5 mm (much longer than sepals), margins entire; stamens included 1 mm; styles included 1–2 mm, 1.5 mm, 0.1+ mm diam. Capsules ovoid, 3 mm, beaks divergent, not papillose. Seeds dark brown, ellipsoid, ca. 0.7 mm.

Phenology: Flowering Jul–Sep.
Habitat: Rocky slopes in montane chaparral, yellow pine forests
Elevation: 1500-1900 m


Of conservation concern.

Heuchera brevistaminea occurs in the Laguna Mountains, San Diego County. It closely resembles H. abramsii, H. caespitosa, H. elegans, and H. pulchella.

Selected References


Lower Taxa