Ratibida peduncularis

Perennials, to 115+ cm; taprooted. Leaves 1.6–14 × 1–6.5 cm, 2-pinnatifid to lyrate-pinnate, lobes 3–10, narrowly linear-lanceolate to narrowly ovate, 0.8–4.5 mm wide, faces hirsute and gland-dotted. Heads 1–12+, held well beyond leaves. Peduncles 14–45+ cm (ribs tan, prominent). Phyllaries 7–14, outer linear, 6–12 × 0.8–1.5 mm, inner lance-ovate, 1–5 × 0.8–1.5 mm. Paleae 3–4.3 × 1.5–3 mm, resin glands oval, 1–1.8 mm. Ray florets 4–14; corollas yellow, purplish yellow, or maroon, often bicolor (maroon/yellow), laminae mostly ovate to elliptic, 5–15 × 4–12 mm. Discs columnar, 15–70 × 8–13 mm. Disc florets 200–400+; corollas greenish yellow, often purplish distally, 2.5–3 mm; style branches ca. 1.8 mm, proximal 1/2 stigmatic, apices subulate. Cypselae oblong, 2.3–5 × 1.2–3 mm, abaxial margins narrowly winged to fimbriate or pectinate-fimbriate, adaxial margins pectinate-fimbriate; pappi (tan) of 1–2 toothlike projections.

Distribution

• Generated Map
• Legacy Map

La., Tex., ne Mexico.

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Lower Taxa

Ratibida peduncularis var. peduncularis, Ratibida peduncularis var. picta

Key

1	Leaves 2-pinnatifid; cypselae pectinate-fimbriate (both margins)	Ratibida peduncularis var. peduncularis
1	Leaves lyrate-pinnate; cypselae pectinate-fimbriate (adaxial margins)	Ratibida peduncularis var. picta