N. alba: endemic of Mt. Tahan, lowers brown with dark brown spots, uppers white with red spots
N. gracillima: endemic of Mt. Tahan, single spur, elliptic lid, lowers green with brown spots, uppers black with green spots
N. ramispina: branched spur, round lid, uppers and lowers blackish outside and green inside
BE3076
Sex: batch
Origin: Mt. Tahan, 1600-1700 m
Notes: all individuals from seed