Lessingia micradenia

Greene

Leafl. Bot. Observ. Crit 2: 28. 1910.

Synonyms: Lessingia ramulosa var. micradenia (Greene) J. T. Howell
Treatment appears in FNA Volume 20. Treatment on page 456. Mentioned on page 453.
Revision as of 20:22, 16 December 2019 by FNA>Volume Importer

Plants 5–60 cm. Stems erect, tan to brown, glabrous. Leaves: basal withering before flowering; cauline margins entire, faces usually eglandular, sometimes sparsely stipitate-glandular, abaxial glabrous or villous. Heads borne ± singly, at ends of branchlets. Involucres cylindric to narrowly obconic, 4–6 mm. Phyllaries purple-tipped, faces glabrous, stipitate-glandular or gland-dotted; inner scarious. Disc florets 3–10; corollas white to pale lavender (color more intense in tubes); style-branch appendages truncate-penicillate, 0.1–0.3 mm. Pappi tan, equal to or shorter than cypselae.

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Phyllaries stipitate-glandular Lessingia micradenia var. micradenia
1 Phyllaries not stipitate-glandular (sessile-glandular) Lessingia micradenia var. glabrata