wild teasel

Dipsacus fullonum

Member of teasels (genus Dipsacus)
scabious subfamily (subfamily Dipsacoideae)
honeysuckle family (family Caprifoliaceae)
dicots (class Magnoliopsida)
flowering plants (subphylum Angiospermae)

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CalPhotos
spines

CalPhotos
fused leaves

• receptacle bract ending in a straight, ± flexible spine
• involucre bract generally spreading or upcurved
• leaf pairs generally narrowly fused around stem
• flowers are ± purple

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Chris’s observations: none

Not all sites include this taxon:

• Dipsacus fullonum → iNaturalist – Calflora – CalPhotos – Jepson eFlora
• not yet listed → FNA

Bay Area species: iNaturalist – Calflora