subterranean clover

Trifolium subterraneum

Member of clovers (genus Trifolium)
legume family (family Fabaceae)
dicots (class Magnoliopsida)
white in flowering plants

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• outer 2–8 flowers fertile, calyx tube often with purple band at top
• inner flowers with calyx stalk-like, without petals, forming bur
• peduncle in fruit curving, growing into ground

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Chris’s observations: 2 (all are research grade)

Locations:

• Pleasanton Ridge RP
• UCSC Campus Natural Reserve

Months:

• Mar.: 1
• Apr.: 0
• May: 1

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Not all sites include this taxon:

• Trifolium subterraneum → iNaturalist – Calflora – CalPhotos – Jepson eFlora
• not yet listed → FNA

Bay Area species: iNaturalist – Calflora