Jepson eFlora
Key to families | Table of families and genera

Key to Xanthium

View taxon page for Xanthium

1. Nodal spines present, generally 3-lobed, 15–30+ mm, golden; leaf blade ± lanceolate to ovate or lance-linear, abaxially densely strigose, gray to white ..... X. spinosum

1' Nodal spines 0; leaf blade nearly round to ± pentagonal or deltate, abaxially minutely coarse-hairy, green ..... X. strumarium

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