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 erect, branched, rigid, ± ribbed, 15–50 cm high
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Basal leaves pinnatisect, 10–20 cm long; segments linear, rigid, pungent pointed; rhachis about as broad as the short petiole. Whole plant with a bluish tinge. Valleys of the western Blue Mts Open forests; pastures; waste places. Fl. summer. Blue Devil Eryngium ovinum