hop trefoil

Trifolium campestre

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

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• Leaflets: 3, pinnate, petioles of mid-leaves > leaflets
• Inflorescence: head-like, 8–13 mm wide, ovate to spheric, generally > 20-flowered; flowers quickly reflexed
• Corolla: 4–5.5 mm, bright yellow, brown in age, striate

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Chris’s observations: 13 (12 are research grade)

Locations:

• Edgewood Park & Natural Preserve: 6
• Russian Ridge OSP: 2
• Andrew Molera SP
• El Corte de Madera OSP
• Fort Ord NM
• Mt. Madonna SP
• Rancho Cañada del Oro OSP

Months:

• Apr.: 8
• May: 2
• Jun.: 1
• Jul.: 2

For more details, use advanced search.

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Not all sites include this taxon:

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

Bay Area species: iNaturalist – Calflora