tall blue lettuce

Lactuca biennis

Member of wild lettuces (genus Lactuca)
lettuce, chicory, dandelion, and salsify tribe (tribe Cichorieae)
sunflower family (family Asteraceae)
dicots (class Magnoliopsida)
flowering plants (subphylum Angiospermae)

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• basal leaves generally 0 at flower
• cauline leaves lanceolate to ovate or elliptic in outline, entire to deeply lobed and coarsely toothed
• proximal leaves wing-petioled; distal sessile, clasping
• inflorescence heads many in large, panicle-like cluster
• fruit body thick, mottled, unwinged, tapered to a stout beak
• all other beaks are slender and thread-like
• rare

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Chris’s observations: none

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

Bay Area species: iNaturalist – Calflora