Large clone of ca 220-250 plants, 12 plants in flower, this plant ca 1 m high x 1 m wide, leaves gray-green, flower stalk ca 5-1/2 - 6 m tall, 67 mm in diameter at 1-3/4 m high, olive-gray-green with maroon vertical striations, with 26 lateral branches down 45% of stalk, these perpendicular to stalk, visited by 3 hummingbirds and one oriole, flowers with pedicel 9 mm long, green, maroon flushed especially at base, ovary, neck, tube chartreuse-green but ovary darker, tepal lobes light chartreuse-yellow, darker at apices, inner tepal margins yellow, filaments chartreuse green, anthers yellow, style light chartreuse-green; tube bulging, tube, neck grooved to upper ovary, tepals erect, recurved at apices; flower measurements after Gentry (1982) in mm: tl=56, o=24(l)x9(w), n=5.7, tu=9(l)x16(w), fil ins=7.5, 8, fil=57, a=14 (beginning dehiscence), outer tepal=19x7(base), 4(mid), inner tepal=20x7(base), 2.5(mid), sty=53; tl=56, o=23(l)x8.75(w), n=6.5, tu=9(l)x18(w), fil ins=7,8, fil=57, a=17 (dehisced), outer tepal=21x7(base), 3.5(mid), inner tepal=17x6.5(base), 2.5(mid), sty=55.