Difference between revisions of "Glebionis segetum"
Ann. Soc. Linn. Lyon, n. s. 17: 90. 1869.
Common names: Corn marigold
Basionym: Chrysanthemum segetum Linnaeus Sp. Pl. 2: 889. 1753
Synonyms: Xantophtalmum segetum (Linnaeus) Schultz-Bipontinus
Treatment appears in FNA Volume 19. Treatment on page 555.
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Revision as of 18:39, 24 September 2019
Leaf blades oblong to obovate or spatulate, 25–65+ × 8–25+ mm, coarsely 1-pinnate or not lobed, ultimate margins dentate or entire. Ray corollas golden yellow, laminae oblong-ovate, 8–20 mm. Ray cypselae weakly triquetrous, 2.5–3 mm, obscurely, if at all, winged, lateral faces 2-ribbed, abaxial faces 3-ribbed; disc cypselae ± compressed-columnar, 2–3 mm, 10-ribbed, not winged. 2n = 18.
Phenology: Flowering Apr–Aug(–Oct).
Habitat: Disturbed sites
Elevation: 0–100 m
Distribution
Ala., Alaska, Calif., Conn., La., Maine, Mass., N.Y., N.C., Ohio, Oreg., Pa., S.C., Eurasia, n Africa.
Discussion
Selected References
None.
Lower Taxa
None.