Eryngium cymosum Delar.

Eryngium cymosum Delar. f. Eryng. 63. 1808
Rather stout, caulescent, glabrous perennials, 6-8 dm. high, from a fascicle of fleshyfibrous roots, the stems solitary, erect ; basal leaves numerous, linear-lanceolate, 2-6 dm. long, 6-18 ram. broad, broad at the base, attenuate at the apex, spinose-serrate with spreading teeth, the longest 1-3 cm. long, axillary spines present, the venation parallel; sheaths as broad as the blades, 2-5 cm. long; cauline leaves like the basal, few, sessile, very spiny especially at the base, the lower alternate, ascending, the upper reduced, opposite, spreading or recurved; inflorescence cymosely branched, the heads rather large, numerous, pedunculate, the flowers numerous; heads hemispheric to globose, 10-12 mm. in diameter; bracts 6-8, rigid, spreading to loosely reflexed, linear to linear-lanceolate, 8-24 mm. long, 2-3 mm. broad, pungent, entire or with 1 or 2 obsolete marginal spines, usually greatly exceeding the heads; bractlets linearlanceolate, 3-5 mm. long, pungent, entire, exceeding the fruit; coma wanting; sepals ovate, about 1.5 mm. long, acute, mucronate; petals oval, 1-1.5 mm. long; styles slender, exceeding the sepals; fruit ovoid, 2-2.5 mm. long, the calycine scales and those of the angles flat, lanceolate, up to 1 mm. long, those of the surfaces smaller or the lower portion naked.
Type locality: "Nova Hispania," Humboldt & Bonpland.
Distribution: Guerrero (Nelson 2172).

Eryngium cymosum là một loài thực vật có hoa trong họ Hoa tán. Loài này được F.Delaroche mô tả khoa học đầu tiên năm 1808.