Eryngium crassisquamosum Hemsl.

Eryngium crassisquamosum Hemsl. in Hook. Ic. pi. 2765. 1903
Eryngium peclinatum sensu Seem. Bot. Voy. Herald 294. 1856. Not E. peclinatum Presl, 1837.
Stout, caulescent, glabrous perennials, 1-2 m. high, from a short vertical tuberous rootstock bearing a fascicle of fleshy-fibrous roots, the stems solitary, erect; basal leaves numerous, linear, 3-8 dm. long, 1-2 cm. broad, coarsely spinose-lobed, the lobes spreading or divaricate, the longest spines 15-25 (or 60) mm. long, axillary spines present, the venation parallel; sheaths broader than the blades, vaginate, 4-12 cm. long; cauline leaves like the basal, the lower alternate, elongate, ascending, densely spinose at the base, the upper greatly reduced, opposite; inflorescence divaricately cymose, the heads large, numerous, pedunculate, the flowers numerous; heads purple, ovoid-oblong, 1.5-2.2 cm. long, 1-1.3 cm. broad; bracts 8-12, rigid, spreading or reflexed, lanceolate to linear, 1-2 cm. long or occasionally much shorter, pungent, entire or fewtoothed, exceeding or shorter than the heads; bractlets lanceolate, 4-6 mm. long, pungent, entire, exceeding the fruit; coma wanting; sepals ovate, 1.5-2 mm. long, obtuse, apiculate; petals oval, about 1.5 mm. long; styles slender, exceeding the sepals; fruit turbinate, 2-3 ram. long, the calycine and lateral scales lanceolate, flat, tawny, acute, up to 1 mm. long, the latter forming incised wings, the dorsal reduced downwards or obsolete.
Typb locality: Sierra Madre, Mexico, Seeman 21.16.
Distribution: Nuevo Le6n to Durango and Nayarit (Ferris 5976, Rose 2128).

Eryngium crassisquamosum là một loài thực vật có hoa trong họ Hoa tán. Loài này được Hemsl. mô tả khoa học đầu tiên năm 1905.