delta tule pea

Lathyrus jepsonii

Member of sweet peas and vetchlings (genus Lathyrus)
vetches vs. vetchlings
legume family (family Fabaceae)
dicots (class Magnoliopsida)
flowering plants (subphylum Angiospermae)

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CalPhotos

• 6–15 flowers in inflorescence
• 10–16 leaflets per leaf
• leaf axis ends in branched, coiled tendril
• stem winged (wings ± ≥ 1 mm wide)
• corolla 15–20 mm, generally pink to pink-purple
• L. j. var. californicus is a smaller plant which is sometimes hairy.
• L. j. var. jepsonii can exceed two meters in height and is hairless, a rare variety which grows in the estuary habitat of the Sacramento-San Joaquin River Delta, the origin of the common name delta tule pea.

Toxicity of pea, everlasting; singletary pea; wild pea (Lathyrus spp.):
4 – Ingestion of these plants, especially in large amounts, is expected to cause serious effects to the heart, liver, kidneys or brain. If ingested in any amount, call the poison center immediately.

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Chris’s observations: none

Not all sites include this taxon:

• Lathyrus jepsonii → iNaturalist – Calflora – CalPhotos – Jepson eFlora
• not yet listed → FNA

Bay Area species: iNaturalist – Calflora