Th e new species, A. nilgiricum, shows similarity with A. masticatorium Th waites
in having long drying ligule with an acuminate apex, pubescent anther and echinate
capsules, but diff ers in clump forming habit with non-stoloniferous rhizomes, tomentose
lamina beneath, long corolla tube, obovate to rhomboid labellum with clefted
apex, emarginate anther crest and reduced staminodes