sicilian star-thistle

Centaurea sulphurea

Member of star thistles (genus Centaurea)
thistles
sunflower family (family Asteraceae)
dicots (class Magnoliopsida)
flowering plants (subphylum Angiospermae)

---

CalPhotos

• disk flower corolla 25–30 mm
• spines straw-colored or proximally purple-black, 10–25 mm
• stem simple or openly branched, winged
• Castle Rock

---

Chris’s observations: none

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

Bay Area species: iNaturalist – Calflora