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Eryngium

See list of 3 species in this genus

Eryngium are perennial plants from thick, cylindric or turnip-shaped taproots.

  • 1a. Bracts subtending inflorescence relatively short, often not projecting beyond width 
of inflorescence, mostly entire; leaf blades unlobed, linear to narrow-lanceolate, parallel-veined; inflorescence white to green-white
  • 1b. Bracts subtending inflorescence conspicuous, usually projecting well beyond the width 
of the inflorescence, mostly spinulose-toothed [Fig. 349]; leaf blades lobed or unlobed and then elliptic-oblong to elliptic-ovate and net-veined; inflorescence usually blue

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 Show photos of:   Each photo represents one species in this genus.