Rare, only plant seen, stems several, flower stalk ca 2-1/2 m tall, paniculate, flower 53(l) x 42(w) mm, with fusion of tepals 4 mm high, outer tepals 50x17 mm, cream-white with faint light chartreuse green broad midstripe, inner tepal 49x26 mm, cream-white with faint light green (chartreuse) midstripe, with slight keel, filaments 14+7 mm, cream-white, pubescent, anthers yellow, ovary 18 mm long, light green becoming cream-white distally, style chamber 12 mm, cream-white.