Centaurium maritimum

Erect annual or biennial, 6–25 cm high, simple or little-branched, usually with only 2–5 nodes below inflorescence. Basal leaves not rosetted, usually absent at flowering; stem leaves ovate to obovate, 4–25 mm long, 3–10 mm wide, obtuse to acute. Inflorescence a few-flowered dichasium (sometimes reduced to a single flower). Pedicels 3–15 mm long; calyx-lobes 10–15 mm long; corolla yellow, tube 10–20 mm long, lobes 3.5–6 mm long; anthers 1–1.5 mm long; ovary 8–12 mm long. Capsule c. 10–16 mm long; seeds c. 0.2–0.3 mm diam., reticulate, reddish-brown to blackish. Flowers Oct.–Dec.