Green eyes, Florida-dandelion

Silphium subacaule Nuttall, Amer. J. Sci. Arts 5: 301. 1821; S. nuttallianum Torrey

Plants 20–50 cm. Stems unbranched or branched near bases. Leaves crowded near stem bases; petiolate or sessile; blades mostly oblanceolate to spatulate, usually alternately sinuate-pinnatifid, chartaceous, ultimate margins ± crenate, faces ± scabrous. Heads usually borne singly. Peduncles hairy (hispid and with wartlike hairs). Involucres 16–19+ mm diam. Ray corollas lemon yellow, abaxial veins green, laminae 10–12.6 × 5–7.8 mm. Disc corollas red to maroon. Cypselae (oval) 5.2–7 × 3–3.8 mm. 2n = 30.

Flowering year round. Dry, sandy oak and pine flats, lawns, along roadsides; 10–90 m; Fla.