small tarweed

Madia exigua

Member of tarweeds (genus Madia)
small tarweeds
tarweeds and allies (tribe Madieae)
sunflower family (family Asteraceae)
dicots (class Magnoliopsida)
yellow in flowering plants

---

See also the very similar opposite-leaved tarweed (Hemizonella minima) (with comparison notes).

• stem 1–30 cm, coarse- and glandular-hairy
• leaf 0.2–4 cm, 0.5–2 mm wide, linear
• heads in open, flat-topped or raceme- or panicle-like clusters
• involucre 2.5–5 mm, ± coarse- and glandular-hairy
• phyllary tips ± erect, grooved along midvein [not visible in CalPhotos]
• 1(2) disk flower, anthers yellow to ± brown
• 1–8 ray flowers, 0.7–1 mm, pale yellow
• scattered

---

Chris’s observations: 1 (research grade)

Locations:

• Coal Creek OSP

Months:

• Jun.: 1

For more details, use advanced search.

---

Taxon info: iNaturalist – Calflora – CalPhotos – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora