hildewinteria aureispina

Hildewinteria aureispina is native to central Mexico, inhabiting limestone rocky slopes. It exhibits a polycarpic growth habit with bushy stems bearing distinctive golden-yellow spines arising from prominent tubercles, a unique trait within its genus. Cylindrical stems 10-20 cm long, covered with tubercles bearing 1-2 cm golden spines arranged spirally. Stem color ranges from gray-green in summer to darker hues in winter.