Large clone, 2 plants flowering, this plant ca 7/8 m high x 7/8 m wide, leaves gray-green, flower stalk ca 5-2/3 - 6 m tall, 73 mm in diameter at 1-3/4 m high, dark olive-gray-green with maroon vertical striations, with 25 lateral branches down 45% of stalk, these perpendicular to perpendicular-ascending to stalk, visited by hummingbird, flowers with pedicel 14 mm long, green, maroon flushed especially basal half, ovary, neck, tube chartreuse-green but ovary darker, tepal lobes light chartreuse-yellow, darker at apices, inner tepal margins yellow, filaments light chartreuse green (-cream), anthers yellow, style light chartreuse-green (-cream), stigma darker; flowers shiny, tube bulging, tube, neck grooved to upper ovary, tepals ascending, recurved at apices; flower measurements after Gentry (1982) in mm: tl=63, o=28(l)x9(w), n=6.5, tu=8.5(l)x18(w), fil ins=8, fil=54, a=18 (dehiscing), outer tepal=21x7(base), 2(mid), inner tepal=20x6(base), 1.5(mid), sty=82; tl=60, o=27(l)x8(w), n=6.5, tu=10(l)x18(w), fil ins=8, fil=62, a=16 (dehiscing), outer tepal=19x7(base), 4(mid), inner tepal=21x6.5(base), 2(mid), sty=58.