Beaucarnea recurvata is not a palm at all — it belongs to the asparagus family and grows wild in rocky, arid hillsides and low deciduous forests of eastern Mexico, where it can live for centuries and eventually reach 30 feet in height. In a pot, its ambitions are curtailed to a more domestic 6 to 8 feet, and the pace of that growth is measured in years rather than seasons. The swollen base, technically called a caudex, is a water-storage organ that allows the plant to survive prolonged drought with equanimity; it is the physical record of the plant's adaptation to a landscape of seasonal extremes.

As a houseplant it suits people who travel, who forget to water, or who simply prefer plants with low demands. It needs a sunny window, well-draining cactus-mix soil, a deep drink in summer followed by a long wait until the soil dries completely, and then near-drought conditions through winter — a watering regime that runs opposite to most houseplant intuition. The long narrow leaves that arch and recurve from the crown give the impression of a green fountain caught mid-flow. It rarely blooms indoors. In tropical zones 10 and 11 it can be planted out permanently; elsewhere it moves to a sheltered patio in summer and back inside before temperatures drop below 50 degrees. The Royal Horticultural Society recognized it with an Award of Garden Merit — a quiet acknowledgment that a slow, reliable thing has its own kind of excellence.