Polianthes geminiflora

Agave coetocapnia grows from a tuber. The leaves grow mainly as a basal rosette, and have a broad base, tapering to become linear. The flowering stem (scape) is about 30 cm (12 in) tall, and has small leaves which gradually turn into bracts within the inflorescence, which is a terminal raceme. Individual flowers are orange-red in colour, drooping, with six tepals about 32 mm (1.25 in) long. At the base of the raceme, the flowers are borne individually; higher up, a pair of pedicels, each bearing a single flower, emerges from the same three bracts. There are six stamens and a style that protrudes from the flower and is terminated by a three-lobed stigma.

Agave coetocapnia is native to central Mexico, northeastern Mexico and southwestern Mexico. The original description described its habitat only as "montibus Micciacanis" ('in Mexican mountains'). It has been described as growing in "winter-dry oak forests".

Agave coetocapnia (under several of its synonyms) has been cultivated as an ornamental bulbous plant since before 1853, when it was described as a "beautiful plant", flowering in July, and easy to cultivate in a warm greenhouse in England. It has been grown outside in North Carolina where it has survived temperatures down to about −14 °C (6 °F). It is reported to winter successfully outside in a warm position in southern England. It is recommended that it be kept dry in winter.

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