Fruticulus ramosus, fide collect, cr. 60-90 cm altus. Rami ± erecti, in partibus iunioribus levissime araneosi-tomentosi, mox glabrescentes, usque ad capitula aequaliter foliati internodiis cr. 2-3 mm longis, in partibus vetustioribus cortice fuliginoso obtecti. Folia sessilia, angustissime et inconspicue decurrentia, anguste lanceolata, rigida, ± patentia, parte decurrenti exclusa 5-10 mm longa, 1-2(-2.5) mm lata, apice in spinam fulvam 1-2 mm longam excurrentia, margine leviter incrassata, spinis ei in apice similibus in 2-4(-5) iugis dispositis uniseriatis plerumque geminatis 0.5-1(-2) mm longis in axillis saepe flocculos gerentibus obsita, supra et subtus primum levissime araneosa vel interdum glandulosa, mox glabrescentia et nitida. Capitula in apicibus ramorum solitaria, ligulis expansis 1.5-2 cm diam. Involucrum levissime araneosi-tomentosum vel glandulosum; pars connata subcampanulata, 4-6 mm alta, 3-4 mm lata; squamae 2-4 mm longae, vix 1 mm latae, lineari-lanceolatae, parietales paucae, ut folia in spinam excurrentes et margine spinis geminatis vel saepius solitariis in 1-2 iugis obsitae, terminals uniseriatae, spinosi-acuminatae, brevissime denticulatae Corollae florum radii et disci + glandulosae. Achaenia laevia glaberrima.
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Prickly, densely leafy shrublet to 90 cm, cobwebby in upper axils. Leaves ascending, oblanceolate, margins thickened, bristly in 2 rows, pungent. Flower heads radiate, yellow.