Flyr's Brickellbush

Perennials, 50–150 cm (caudices slender). Stems branched, pubescent. Leaves opposite; petioles 10–40 mm; blades 3-nerved from bases, deltate-ovate to lance-ovate, 30–150 × 20–100 mm, bases sub-truncate to cordate, margins coarsely to finely serrate, apices acuminate, abaxial faces minutely pubescent and gland-dotted, adaxial faces sparsely puberulent. Heads (erect in flower and fruit) in corymbiform or paniculiform arrays. Peduncles 10–25 mm, glandular-pubescent. Involucres broadly campanulate, 10–12 mm. Phyllaries 28–35 in 4–5 series, greenish, often purple-tinged, 4–7-striate, unequal to subequal, margins scarious (ciliate); outer narrowly lanceolate to lance-ovate (glandular-pubescent, apices long-acuminate), mid lanceolate (apices acute to acuminate), inner narrowly lanceolate (apices acute to obtuse, recurved, pubescent, often gland-dotted). Florets 35–45; corollas pale yellow-green, often purple-tinged, 6–7.2 mm. Cypselae 4.5–5.5 mm, hispidulous to glabrate; pappi of 38–46 purple-tinged, barbellate bristles.

Coleosanthus cordifolius (Elliott) Kuntze

Brickellia cordifolia is a North American species of flowering plants in the family Asteraceae. It is native to southeastern United States in the states of Florida, Georgia, and Alabama. Common names are Flyr's nemesis or Flyr's brickellbush.

Brickellia cordifolia is a perennial herb up to 150 cm (60 inches) tall. It produces many small flower heads with pale yellow-green disc florets but no ray florets. It grows in most pine and oak woodlands at low elevations.