black medick

Medicago lupulina

Member of shamrock medicks (section Spirocarpos)
medicks (genus Medicago)
small yellow peas
legume family (family Fabaceae)
dicots (class Magnoliopsida)
yellow in flowering plants

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• hairy or glandular-hairy
• stem prostrate to ascending, angled
• stipules entire or toothed
• corolla 2–3 mm, yellow
• uncommon
• looks similar to lesser hop trefoil (Trifolium dubium), but black medick has the following characteristics:
• leaf is hairy everywhere, has a distinct tip
• elliptical tan fruit is hidden by drooping flower petals

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

Locations:

• Henry Cowell Redwoods SP - Fall Creek Unit
• Stevens Creek CP

Months:

• Jul.: 2

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Not all sites include this taxon:

• Medicago lupulina → iNaturalist – Calflora – CalPhotos – Jepson eFlora
• not yet listed → FNA

Bay Area species: iNaturalist – Calflora