We were asked if the seed pods of the wild sweet pea are edible. (California)
Two of the most common cultivated sweet peas are the non-native common sweet pea (Lathyrus odoratus), a Mediterranean native, and
the grass pea, or azure blue sweet pea (L. sativus), a native of India. There are more than a dozen North American native species of sweet pea (Lathyrus spp.) that grow in California, including:
Sierra pea (L. nevadensis),
Silky beach pea (L. littoralis), and
Wild pea, (L. japonicus). I'm not sure if you are asking about one of these three or one of the other native species, but the answer is the same for any plant in the Genus Lathyrus. Do not eat them! The Canadian Poisonous Plants Information System lists both L. odoratus and
L. sativus in their database; and, according to the
Cornell University Poisonous Plants Informational Database, the seeds of all species of Lathyrus are poisonous.
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