Single, stalk ca 6 m tall, lateral peduncles perpendicular to stalk, down 1/3-1/2 of stalk, flowers with ovary, neck chartreuse green, tube light chartreuse blending into tepal lobes, tepal lobes becoming yellow-orange, with brown tip (outer lobes), filaments light orange-yellow, anthers dark yellow, style light orange-yellow; much pollen and nectar and very fragrant (8 am); measurements after Gentry (1982) in mm: tl=49, o=23x6, n=6, tu=12x13.5(w), fil ins=5,6, fil 43, a=11, outer tepal lobe 11x7.5, inner tepal lobe 9x6(base), 4.5(mid), sty=27.