Dittrichia graveolens

Erect annual herb, usually 30–60 cm high; stems ± red near base, with numerous lateral branches from central axis, glandular and non-glandular hairs.

Leaves pubescent, entire or finely toothed; basal ones lanceolate to oblanceolate, 2–7 cm long, 1–8 mm wide, soon withering; cauline linear to narrow-oblanceolate, 1–4 cm long, 1–3 mm wide.

Inflorescence ± pyramidal panicle, heads sessile or peduncles to 5 mm long; heads c. 5–7 mm diam.; outer bracts lanceolate, entire, 2–4 mm long, herbaceous with scarious margins, ± hairy; inner bracts narrow-lanceolate to linear, longer, scarious margin wider, frequently ± apiculate; reflexing when seeds released. Florets yellow to reddish; ray florets 10–12, with ligule erect, 3-toothed, 4–7 mm long; disc florets 9–14.

Achenes c. 2 mm long, pubescent; pappus bristles 25–30.