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FNA | Family List | FNA Vol. 20 | Asteraceae | Lessingia

6. Lessingia nemaclada Greene, Bull. Calif. Acad. Sci. 1: 191. 1885.

Slenderstem lessingia

Lessingia nemaclada var. albiflora (Eastwood) J. T. Howell; L. nemaclada Greene var. mendocina (Greene) J. T. Howell

Plants 5–60 cm. Stems erect, tan to brown, glabrous or villous. Leaves: basal withering by flowering; cauline margins entire, faces gland-dotted (in pits) and sometimes stipitate-glandular, abaxial glabrous or villous to tomentose. Heads borne singly or in corymbiform arrays, usually at ends of branchlets. Involucres narrowly obconic, 5–6 mm. Phyllaries usually purple-tipped, faces glabrous, stipitate-glandular and gland-dotted; inner scarious. Disc florets 3–10; corollas usually white, sometimes pale lavender (color more intense in tubes); style-branch appendages usually lanceolate, sometimes truncate-penicillate, 0.4–1 mm. Pappi tan, equaling or longer than cypselae. 2n = 10, 12.

Flowering Jul–Oct. Open fields, roadsides, borders of woodlands, sometimes on serpentinite soils; 200–1100 m; Calif.

Lessingia nemaclada is widespread in central and northern California (except near the coast) and is morphologically variable.


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