Cypripedium fasciolatum corrugatum Perennial Encyclopedia the genus Arisaema

the genus Arisaema

the clumps are topped with 20" stalks of white flowers

it seems to be a form of Agave x protamericana from the Mexican population where Agave americana intergrades with Agave asperrima (scabra)

This plant is not the same as Agave weberi 'Marginata'

grey leaves adorn this 20" tall x 3' wide

Cypripedium fasciolatum corrugatum Perennial Encyclopedia the genus ArisaemaThis hybrid ladyslipper orchid is a cross of the two Chinese species, Cypripedium fasciolatum and Cypripedium corrugatum. The large maroon pouch, backed by maroon striped sepals, appears atop the 1' tall stalk in late spring. A well drained, but moist and cool spot in the woodland garden is best for this stunning ladyslipper orchid hybrid. Our offerings are all flowering sized plants.