Glebionis coronarium (Linnaeus) Cassini ex Spach (redirected from: Chrysanthemum coronarium var. spatiosum)
Family: Asteraceae
[Chrysanthemum coronarium L.,  more...]
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Plant: annual; stems stiffly branched from base, > 10 dm

Leaves: < 6 cm, alternate, obovate, sessile, 2-pinnately lobed almost to midrib

INFLORESCENCE: primary inflorescence a head, each resembling a flower; heads radiate, solitary, < 4 cm diam, peduncled; phyllaries generally in 3 series, obovate, not keeled, margins transparent; receptacle flat to convex or conic, naked

Flowers: Ray flowers < 15; ligules yellow; Disk flowers: many; corollas 14-15 mm, yellow; anther tips ovate, bases rounded or ± cordate; style branches truncate with shrub-like tips

Fruit: Fruit: ray achenes < 3 mm, 3-angled, winged; disk achenes ± 2.5 mm, angled and ribbed, pappus 0

Misc: Common escape from cultivated in urban coastal areas, vacant lots, roadsides, waste ground; < 200 m.