Greigia vulcanica
Greigia vulcanica André
Stems short, robust, inconspicuous. Stipules absent. Leaves whorled, arranged in a basal rosette, sheathing, imbricate; petioles absent; blade linear, 60–90 x 2.5–5 cm, coriaceous, yellowish-brown to yellowish-green, cinereous on the abaxial surface, glabrous on the adaxial surface; margin…
