Frutex erectus ramosus fide collect. 1-2.5 m altus. Rami usque ad capitula aequaliter foliati, in partibus iunioribus brevissime et dense glandulosi, mox glabrescentes et cortice rimoso fuliginoso obtecti. Folia alterna, sessilia, in axillis flocculos albi-lanosos gerentia, rigide membranacea, ambitu lanceolata vel elliptici-lanceolata, apice in spinam excurrentia, sinuati-spinosi-dentata dentibus in 2-4 iugis dispositis saepe geminatis spina inclusa 3-8 mm longis, (1.5-)2-4(-5) cm longa, 4-8 mm lata (dentibus exceptis), supra glabra, nitentia, subtus cani-tomentosa. Capitula in apicibus ramorum solitaria, radiata, ligulis expansis 3-4.5 cm diam. Involucri squamae patentes, pauciseriatae, extus leviter tomentosae, intus glabrae, spinosi-acuminatae, exteriores lanceolatae, margine spinis eis in foliis similibus 2-3 mm longis fulvis interdum geminatis in 3-5 iugis dispositis obsitae, 2-3 mm latae, sequentes angustiores, 1-1.5 mm latae, lineari-subulatae, margine sensim densius et brevius spinosi-ciliatae et denique setulosi-ciliatae, mediae 15-20 mm longae, ceterae paulum breviores. Margines alveolarum receptaculi indentes breves productae. Achaenia cr. 3-4 mm longa, pilis sericeis dense obtecta. Pappi squamae subbiseriatae, cr. 10+10, oblongi-lanceolatae, acutae vel subacutae,margine imprimis ad spicem fimbriatae, cr. 1-1.5 mm longae.
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Twiggy shrublet, up to 2.5 m tall, stems minutely glandular-haired when young. Leaves alternate, sessile, woolly in axils, ± 4-pinnatifid with additional lobes between, mostly 20-40 mm long, glabrous and glossy above, cobwebbed beneath, lobes triangular and spine-tipped, with spines 3-8 mm long. Flowerheads solitary at branch tips, radiate, yellow, 30-45 mm diam.; outer bracts stiffly spreading, subulate with sparsely spiny margins, thinly hairy beneath, inner closely and finely ciliate-spiny, 15-20 mm long. Cypselas densely silky; pappus scales 10 + 10, oblong-lanceolate, denticulate, 1-1.5 mm long.
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