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FNA | Family List | FNA Vol. 8 | Saxifragaceae | Heuchera

29. Heuchera glomerulata Rosendahl, Butters & Lakela, Minnesota Stud. Pl. Sci. 2: 155. 1936.

Chiricahua Mountain alum-root Chiricahua Mountain alum-root

Herbs acaulescent; caudex branched. Flowering stems 25-40 cm, long stipitate-glandular. Leaves: petiole short stipitate-glandular; blade (purple abaxially, variegated adaxially), ovate to orbiculate, shallowly 5-lobed, 2.5-9 cm, base cordate, lobes rounded, margins dentate, apex obtuse, surfaces short stipitate-glandular, long stipitate-glandular on veins abaxially, short stipitate-glandular and sparsely long stipitate-glandular adaxially. Inflorescences dense, (interrupted). Flowers: hypanthium radially symmetric, free 0.8-1.2 mm, yellowish green, campanulate, 3.5-5 mm, densely long stipitate-glandular mixed with short stipitate-glandular; sepals erect or incurved at tip, green-tipped, equal, 1.5-2 mm, apex acute; petals erect, white, narrowly oblanceolate, (clawed), unlobed, 1.5-1.8 mm, margins entire; stamens included 0.5 mm; (filaments strongly incurved, slender, shorter than and almost concealed by anthers); styles included 1 mm, to 0.5 mm, 0.1+ mm diam. Capsules ovoid, 4-5 mm, beaks divergent, not papillose. Seeds black, fusiform, 0.5 mm. 2n = 14.

Flowering May. Shaded, rocky slopes; 1300-2000 m; Ariz., N.Mex.

Heuchera glomerulata occurs in the Chiricahua and Pinaleno mountains of southeastern Arizona and in New Mexico.


 

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