Glebionis segetum
Ann. Soc. Linn. Lyon, n. s. 17: 90. 1869.
Common names: Corn marigold
IntroducedIllustrated
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.
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
Introduced; 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.
"broader" is not a number.
... more about "Glebionis segetum"
3-ribbed +
introrse +
connate +
truncate +
scarious +
ovate +
hirsute +
papillate +
absent +
continuous +
decurrent +
lobed;obovate;oblong +
stigmatic +
absent +
Corn marigold +
absent +
lacking +
dimorphic +
not winged +
10-ribbed +
compressed-columnar +
staminate +
straight +
gland-dotted +
glabrous +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
indeterminate +
Present +
true +
surrounding +
hemispheric +
oblong-ovate +
winged +
2-ribbed +
not lobed;1-pinnate;oblong;obovate or spatulate +
8mm;25mm +
alternate +
cauline +
deltate +
lobed +
scarious +
3-angled +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
absent +
tough +
thick +
absent +
connate +
persistent +
distinct +
herbaceous +
falling +
Ann. Soc. Linn. Lyon, n. s. +
1869 +
pistillate +
absent +
fertile +
golden yellow +
triquetrous +
epaleate +
convex;hemispheric +
fibrous +
exalbuminous +
modifed +
3;4 +
alternate +
branched +
glabrous +
2-branched +
glabrous +
papillate +
Glebionis segetum +
Glebionis +
species +
cylindric +
annual +