Cadillo Erect or decumbent herb, to 1 m tall, usually rooting at lower nodes, sparsely puberulent to strigose on most parts. Leaves opposite; petioles to 2 cm long; blades ovate to obovate, often rhombate, acuminate, acute at base, 3-10 cm long, 1.5-5.5 cm wide. Flowers bisexual, in glomerules (often in 3s) to 5 mm long in axillary or terminal, deflexed spikes to 20 cm long, the spikes interrupted along more than half their length when mature, the glomerules at maturity with ca 20 flowers modified into hooks to 1.5 mm long; sepals 5, subequal, lanceolate, ca 2 mm long, pubescent, the veins to 3; stamens 5, united basally into a short tube projected into 5 pseudostaminodia; pseudostaminodia alternate with stamens-, regularly bifurcate when young, trifurcate when mature; style 1; stigma capitate, slightly longer than stamens. Utricles ellipsoid, conspicuously operculate, irregularly circumscissily dehiscent, the cap chartaceous, the remainder hyaline; seed ovate, ca 1 mm long, tan to reddish-brown. Croat 4072.