Grown in cultivation at Desert Botanical Garden, Phoenix, accession number 1991 0443 0102, locality and collector unknown.
33.459167 -111.943056
33d 27m 33s N; 111d 56m 35s W
365 meters
1200ft.
Tall plant to 4 m tall, branched from just above and at base, inflorescence a dense panicle, within leaves, to 3/4 m long; pics 8-14; flowers very thick, leathery, perianth light cream-white, filaments and style cream-white, flower measurements in mm: tl=53, outer perianth 49x18, inner perianth 48x27, stamens 20+12 (bend), style 34+11 (shoulder) x 10; 4 stamens plus 2 slender (27x13 mm) tepals on all flowers.