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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Also a couple of populations in the state of Sonora.

Boojum tree Fouquieria columnarissuperficially recalling Pachpodium lealii Apocynaceae from Namibia and Alluaudia procera Didiereaceae from Madagascar, and is equally sought by collectors Growth rate: Fouquieria columnaristhe Boojum tree or cirio American Spanish: Throughout the range, winter rain is dependable, summer or early autumn rain occasional. In other projects Wikimedia Commons Wikispecies. Fouquieria columnaris Kellogg Kellogg ex Curran. This weakens the stems, causing them to bend.

I do not treat it well.

I keep the columnadis outside all year long in partial shade. I water it only a couple times a year, when the thornless hedgehog cactus in the pot with it starts to get too wrinkled. People of the desert and sea: In growth it supports the leaf. Lateral branches numerous spirally arranged, non-succulent, slender and spreading, usually 1 metre or less in length 5-mm in diameter with stout spines mm long.


The flowers bloom in summer and autumn; they occur in short racemesand are creamy yellow with a honey scent. Boojum trees are fairly slow growing, so they will remain happily in a container for a very long time. The columnariz distribution pattern of the mainland boojums has led Mexican botanists to conclude that they were probably transplanted to the mainland by the indigenous Seri peoplewho lived in this area and still live on communal property south of this location.

SEINet Portal Network – Fouquieria columnaris

It can be trained columnaros 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.

During this time, leaves which turn yellow or brown, or begin to drop are a sign of too little water. Other soil amendments are not necessary.

Boojum trees grow best in full sun to part shade. Cooumnaris plant blooms during this dormancy, usually in July and August. It is propagated from cuttings taken in the spring or from seed when available. Short-shoot leaves obovate or oblanceolate mm long, mm wide with smaller leaves in their axils.

Small plants in pots may need water weekly. It has gained about one foot of height in all that time.

Virginia Tech Dendrology Fact Sheet

The branches are covered with large, sharp thorns. Leaves will reappear and growth will resume sometime after mid-September, occasionally as late as November. This page was last edited on 14 Februaryat The thorns can be hazardous. I have a plant that I acquired about as a finger-sized specimen.


Oblong, greatly compressed, membranously winged mm long, 1. Retrieved from ” https: Stigmas minutely 3-lobed, relatively short. 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.

Flowers appear regularly in summer July and August and seeds in late autumn October to mid-November. Given this belief, the hypothesis that the Seri people transplanted it is doubtful.

Boojum Tree, Cirio

Sunburn will show up as a yellowing of the skin on the south or west side of the plant. Seedlings are mostly found beneath shrubs, in rock crevices, or beside xolumnaris. It basically looks like a tall tapering pole with a few twig-like branches here and there.

The main stem elongates only in winter and only after sufficient rain. Needs a very well drained soil mix.