pink knotweed

Persicaria capitata

Member of knotweeds, smartweeds, and waterpeppers (genus Persicaria)
knotweed family (family Polygonaceae)
dicots (class Magnoliopsida)
flowering plants (subphylum Angiospermae)

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• inflorescence ± head-like
• all others are spike- or panicle-like
• petioles generally winged with ear-like lobes at the base
• in photos this looks more like narrow lobes that stick out or clasp the stem, and the petiole is too short to display separate wings
• all below have no petioles or ear-like lobes

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Chris’s observations: none

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

Bay Area species: iNaturalist – Calflora