The Boojum tree (Fouquieria columnaris) is one of the most bizarre-looking plants in the world. Shaped like spiny upside down carrots, they never fail to interest. Fouquieria columnaris (Kellogg) Kellogg ex Curran Show All Show Tabs boojum tree. Image of Fouquieria columnaris. General Information. Symbol: FOCO3. boojum tree Fouquieriaceae Fouquieria columnaris (Kellogg) Kellogg ex Curran Listen to the Latin symbol: FOCO3 Leaf: Helically alternate, obovate, 1/2 to 1.

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The plant is often characterized by bizarre branching and bending, especially in Baja California.

fouquierria It can be trained as a bonsai, pinch and prune plants in spring and summer but taper off in autumn so the tree can store energy for the winter instead of using it to put on new growth before resting. I keep the pot outside all year long in partial shade.

The flowers have a strong, sweet honeycomb fragrance and produce a noticeably sweetened nectar, and are visited by a variety of insects, including 15 species of bees as well as various beetles, ants, and butterflies as well as hummingbirds. Fouquieria columnaristhe Boojum tree or cirio American Spanish: Oblong, greatly compressed, membranously winged mm long, fouquiwria.

The stem of the leaf becomes a thorn once the leaf dries up. The internal cylinder of wood in the stern is often quite thin with much support coming from water stored in the trunk.

Virginia Tech Dendrology Fact Sheet

Leaves will reappear and growth will resume sometime after mid-September, occasionally as late as November. Fouquieria columnarismuch better known under its old name Idria columnarisis a tall pachycaul tree looking like a great upturned carrot with scraggly little secondary branches heightening the illusion with their resemblance to rootlets, and is one of the most unusual plants in the world.


I water it only a couple times a year, when the thornless hedgehog cactus in the pot with it starts to get too wrinkled. The main stem elongates only in winter and only after sufficient rain. It is now two feet tall — I might actually live long enough to see it become a real tree? While dormant, during the warm weather, Boojum trees require only enough water to keep them from shriveling. The gallery now contains thousands of pictures, however it is possible to do even more.

Idria columnaris Kellogg Fouquieria gigantea Orcutt.

Boojum Tree, Cirio

Watch the tip; if it begins to shrivel or shrink, water the plant, otherwise it is best left alone. They grow intermixed with Cardon cactus It basically looks like a tall tapering pole with a few twig-like branches here and there. Galvin Parkway, Phoenix, AZ http: In Sonora limited to granite substrate: The plant blooms during this dormancy, usually in July and August. Bizarrely beautiful I have visited them in their native forests in Baja California.

The leaves are transitory depending on water supply. University of Arizona Press.

In cultivation the seedlings may grow continuously through their first year but thereafter produce stem growth only from October to April. They need freely circulating air. Boojum Tree, Cirio Fouquieria columnaris.


Views Read Edit View history. It is propagated from cuttings taken in the spring or from seed when available. Plants are watered and allowed to dry thoroughly before watering again.

The addition of gravel, decomposed granite, or sand will help loosen heavier soils, thereby allowing the copumnaris system to get spread out and established evenly.

Plants Profile for Fouquieria columnaris (boojum tree)

This means that beginning sometime in April plants begin to loose their leaves and reduce metabolic activity significantly. It is a very, very slow-growing tree, but long columnatis, some are thought to have achieved over years of growth. Boojum trees grow best in full sun to part shade. The thorns can be hazardous. Little or no apical growth is typical of most years. Studded with short lateral branches that carry the leaves, and then spines which are the hard remnant that’s left when the leaves fall.

Sepals 5, rounded mm long. Known as a cirio here where it’s from. In habitat most seeds germinate during the winter rain fouquoeria in cultivation, they germinate readily without pretreatment. Very small plants should only be planted out if they can be protected from full sun by a bush or tree as they grow up. Watering should be greatly reduced during the lust summer months to prevent rotting.