Leucanthemum vulgare

Erect perennial 30–90 cm high; stems usually sparsely branched above rhizome, strigose below, glabrescent above. Leaves sessile, oblanceolate, obovate to spathulate in outline, mostly 2–8 cm long, 10–20 mm wide, obtuse, base amplexicaul, margins irregularly toothed to shallowly 1- or 2-pinnatifid, to almost entire on upper leaves. Capitula 1–3, 3–5 cm diam.; peduncles 3–13 cm long; involucral bracts lanceolate, 3–8 mm long. Ray florets 15–30, white; disc florets numerous, bright yellow. Cypselas slightly dimorphic, 1.5–2.5 mm long; ray cypselas sometimes compressed, c. 10-ribbed with extended lateral ribs; pappus an irregular corona; disc cypselas regularly 10-ribbed, lacking a pappus. Flowers mostly Oct.–Mar