Lessingia pectinata

Greene

Proc. Acad. Nat. Sci. Philadelphia 47: 548. 1896.

Synonyms: Lessingia germanorum var. pectinata (Greene) J. T. HowellLessingia glandulifera var. pectinata (Greene) Jepson
Treatment appears in FNA Volume 20. Treatment on page 455. Mentioned on page 453.
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Plants 5–70 cm. Stems erect, green, tan, or reddish to dark brown, usually glabrous or villous, rarely tomentose. Leaves: basal withering by flowering; cauline margins entire or dentate to pinnately lobed, faces gland-dotted, abaxial glabrous or villous to tomentose. Heads borne singly, at ends of branchlets. Involucres obconic, (4–)5–8 mm. Phyllaries usually green, rarely purple, faces glabrous or villous to tomentose, gland-dotted; inner ± scarious. Disc florets 15–30; corollas yellow (tubes with brown-purple band inside); style-branch appendages truncate-penicillate, 0.1–0.2 mm. Pappi white to tan, equal to or longer than cypselae.

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Stems reddish to dark brown; leaf margins dentate to pinnately lobed (segments cuspidate) Lessingia pectinata var. pectinata
1 Stems green or tan; leaves entire or dentate to pinnately lobed (segments not cuspidate) Lessingia pectinata var. tenuipes