Eryngium L. >

Leaves and bracts pungent pointed. Flowers in dense heads or short cylindrical spikes Eryngium
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Plants less than 1 m high
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Main stems very short; branches long, prostrate, like stolons but not rooting at the nodes. Basal leaves lanceolate to broad-linear, 4–15 cm long, with spreading spiny teeth. Valleys of the western Blue Mts Fl. summer–autumn Eryngium vesiculosum