Description

Key Characters:

Growth Form: Perennial herb, suffrutescent, suberect, diffuse, 0.5–1 m tall.

Stems: stems green to tan brown or red tinged, glabrous

Roots:

Leaves: opposite Blades 5–15 cm long including petiole, leaflets lanceolate, 3–11cm x 1–3 cm attenuate glabrous

Flowers: Inflorescence with peduncles (4–)8–17 cm, glabrous, heads (1–)2–3 in simple to compound cymes, terminating on main stem and lateral branches, 2–4 cm in diameter including ray florets; outer involucral bracts linear, 9–12(–18) mm x 0.5–1 mm, glabrous, inner ones distinct; ray florets usually 8–10 per head, sterile, rays yellow, 8–18 mm # 3–5 mm; disk florets 20–40 per head, perfect Modified into awns or absent corollas yellow anther thecae dark, pollen yellow style branches yellow, exserted 2–4 mm beyond the anthers

Fruit: Achenes black-brown; straight or slightly twisted; wingless; 7.5–12 mm#0.8–2.2 mm; glabrous; mature achenes not enveloped by subtending chaffy receptacular bracts; pappus absent or rarely with two awns 0.8–1.0 mm long.

Ploidy:

Habitat:

Elevation Range: 579 and 1524 m