Calendula L.

3 species naturalized Aust.; all states and territories except NT and WA

*Calendula arvensis L.

Erect to ascending, annual herb up to 50 cm high, glandular pubescent, clammy. Leaves lanceolate to oblong, up to 6 cm long and 20 mm wide, entire or with fine teeth, stem-clasping. Heads solitary. Involucre 5–15 mm diam.; bracts numerous, in 2 rows, up to 8 mm long. Ray florets in 2–3 rows; rays orange to yellow. Cypselas up to 1.5 mm long; the outer ones with a spiny crest; inner ones curved. Pappus absent. Widespread but not common. Weed of cultivation and waste places. Introd. from the Mediterranean. Fl. spring. Field Marigold