Ratibida columnifera

Perennials, to 105+ cm; taprooted. Leaves 2–15+ × 0.8–6 cm, 1–2-pinnatifid, lobes 3–14, narrowly linear-lanceolate to narrowly oblong-ovate, 1–16 mm wide, faces hirsute, gland-dotted. Heads 1–15, held well beyond leaves. Peduncles (1.5–)6.5–48+ cm (ribs tan, prominent). Phyllaries 5–14, outer linear, 4–14 × 0.5–2 mm, inner lanceolate-ovate, 0.8–3 × 0.8–2 mm. Paleae 2.3–3.5 × 0.5–3 mm, resin glands oval-oblanceolate, 0.6–1.5 mm. Ray florets 4–12; corollas yellow, purplish yellow, or maroon, sometimes bicolor (maroon/yellow), laminae lanceolate-ovate to elliptic-oblanceolate, 7–35 × 4–17 mm. Discs columnar, 10–50 × 7–12 mm. Disc florets 200–400+; corollas greenish yellow, often purplish distally, 1–2.5 mm; style branches 0.5–1.4 mm, proximal 2/3–3/4 stigmatic, apices rounded. Cypselae oblong, 1.2–3 × 1.2–2 mm, abaxial margins glabrous, adaxial margins and apices glabrous or ciliate; pappi (tan) usually of 1–2 toothlike projections, sometimes 0. 2n = 28.

Water moderately, allowing the top 3cm to dry out between watering.

Ratibida Columnifera

Ratibida columnifera

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Ornamental

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