Arnoglossum plantagineum

Rafinesque

Fl. Ludov., 65. 1817

Synonyms: Cacalia plantaginea (Rafinesque) Shinners Cacalia pteranthes Rafinesque Cacalia tuberosa Nuttall Conophora tuberosa (Nuttall) Nieuwland Mesadenia plantaginea (Rafinewque)Rafinesque Mesadenia tuberosa (Nuttall) Britton Senecio nuttallii Schultz-Bipontinus
Treatment appears in FNA Volume 20. Treatment on page 624. Mentioned on page 623.
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Plants 50–100 cm (weakly rhizomatous). Stems angulate. Basal leaves: blades broadly elliptic, to 17 cm, margins entire or sinuate. Cauline leaves: proximal (and mid) petiolate, elliptic (bases rounded), margins entire or serrulate; distal petiolate or sessile, smaller (narrower). Involucres (9.5–)10–12(–14) mm. Phyllaries (pale green) ovate, midvein wings uniform or highest at apices. Corollas white or greenish, 8–10(–11.5) mm. Cypselae fusiform or clavate, 4–5 mm (dark brown, 12–15-ribbed); pappi (6–)7–8(–9) mm. 2n = 54.

Phenology: Flowering May (south)–Aug (north).
Habitat: Wet prairies and pastures, usually in boggy areas in north
Elevation: 0–600 m

Distribution

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Ont., Ala., Ark., Ill., Ind., Iowa, Kans., Ky., La., Mich., Minn., Miss., Mo., Nebr., Ohio, Okla., S.Dak., Tenn., Tex., Wis.

Discussion

References

None.

Lower Taxa

No lower taxa listed.