Helichrysum foetidum Moench

Annual or short-lived perennial herb, 0.3–1.5 m high; stem erect, simple but for the inflorescence (rarely branched near base), hollow?, thinly pubescent or tomentose and glandular.. Leaves sticky and aromatic, sessile, lanceolate to slightly panduriform, 2–10(–12) cm long, 0.5–2.5(–3.5) cm wide, base semi-amplexicaul and slightly auriculate, margins entire, apex acute and mucronate, glandular-scabridulous with traces of pubescence above, similar or white-tomentellous beneath.. Capitula 6–10 mm long, heterogamous, several to many (–100) in dense or lax leafy corymbs; stalks of individual capitula 1–12 mm long; phyllaries pale lemon to golden yellow, (rarely whitish on drying), shiny, multiseriate, 2.5–9 mm long, acute, the outermost woolly at base; receptacle honeycombed, 3.5–8 mm in diameter.. Florets yellow to orange, many; outer florets many, in several rows, tube filiform from a wider base, 1.5–3.6 mm long, lobes 0.1–0.2 mm long, style 2–4 mm long; inner florets few to many, but generally (much) fewer than the outer, tube cylindric, 1.9–3 mm long, lobes 0.3–0.5 mm long, anthers 1.2–1.5 mm long, style 2.1–3.5 mm long.. Achenes ellipsoid, 0.5–0.8 mm long, glabrous; pappus yellow or white, 2.5–4 mm long, falling separately.