This is a very old, large plant with a wide base over 10' in diameter. There is one at the San Diego zoo nearly twice that size.
Here's a smaller plant, showing its single stem habit topped by a spikey hairdo.
This is a very old plant that has maintained a single stem for over 30 years
Closeup of base of smaller plant
flower in June, Los Angeles
Noticed this group of plants in a park in Beverly Hills, California
seedling of this species, southern California
base of plant showing a hint of the lateral roots, Los Angeles
another view of 'grove' of plants in Los Angeles
potted plant in cactus show
trunk with skirt of dead leaves, southern California
multiple plants at different stages of maturity, Huntington Gardens, California
3 tall Beucarnea strictas with shorter Beaucarnea recurvata right side of photo
trunk of 30' tree in southern California
flowering nicely late fall, southern California
Lotusland, Santa Barbara, California
The Huntington Botanical Gardens
University of California Botanical Garden at Berkeley
plant grown from a dinky seedling 40 years earlier... now about 30' tall.
very tall plant in the Huntington Gardens, California