Stinkwort
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.
![](https://static.catalog.farmis.lt/problems/c/cf/cf3/cf3ffb84-a549-4562-93a4-d4a9d5b2cb3d.jpg)
![](https://static.catalog.farmis.lt/problems/c/c5/c5a/c5aab947-c270-4f0f-b37c-a22831036481.jpg)
![](https://static.catalog.farmis.lt/problems/9/94/943/94386fd7-0d4e-4f0e-bd05-dad513fab416.jpg)
![](https://static.catalog.farmis.lt/problems/b/be/be5/be5a34c0-f519-4e37-ae3d-a93b0fc08b62.jpg)
![](https://static.catalog.farmis.lt/problems/c/cd/cd5/cd536e94-74ce-4b89-ad26-3359586a066b.jpg)
![](https://static.catalog.farmis.lt/problems/1/1d/1d3/1d3b5ab6-b7a2-4897-8c02-e9fbe1b0637f.jpg)
![](https://static.catalog.farmis.lt/problems/8/86/861/86113c6f-aad7-45dd-9f81-0131bc6f9b77.jpg)
![](https://static.catalog.farmis.lt/problems/1/16/169/169579c8-57b4-4aae-baf3-fc19a02349e6.jpg)
![](https://static.catalog.farmis.lt/problems/3/33/332/3324a6de-eaf6-4f49-8c4f-39f1b9300920.jpg)
![](https://static.catalog.farmis.lt/problems/b/be/be5/be5262a3-8231-4776-83b9-8eda38d6c7dc.jpg)