Trithrinax brasiliensis

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Trithrinax (tree-TREE-naks) brasiliensis
(brah-zihl-ee-EN-sis)
Tb2899.jpg
California. Photo by Dr. John Dransfield
Scientific Classification
Genus: Trithrinax (tree-TREE-naks)
Species: brasiliensis
(brah-zihl-ee-EN-sis)
Synonyms
None set.
Native Continent
Asia
Asia.gif
Morphology
Habit: solitary
Leaf type: Palmate
Height: 20-25ft/6-7.6m
Trunk diameter: 12in/30cm
Culture
Watering: dry-moderate
Soil type: tolerant
Survivability index
Common names
Saho Palm, Carandá, Burití, Leque, Brazilian Needle Palm, Saho Palm

Habitat and Distribution

Trithrinax brasiliensis is found in the Atlantic rainforest of Brazil; Southeast.
California. Photo by Geoff Stein.
Open forest at between 700 m and 1000 m altitude along the southernmost end of the mountain range in Rio Grande do Sul, Brazil.

Description

"Trithrinax acanthacoma is growing in much colder places here in Brazil and is a larger palm, with smaller seeds. The trunk is armed with spines and the leaves have spines on the tips, but each individual lealflet is only split slightly at the end. Trithrinax brasiliensis is growing further south in Rio Grande do Sul and into Uruguay. It is a slightly smaller plant but seems to have a larger seed. It is slower growing, I cant say if its more or less cold hardy, but likelihood is slightly less hardy. The trunk has weak spines at the apex but these soon disintigrate leaving a trunk without spines. The leaf is very different, being much deeper divided, and much more glaucous. Each leaflet is very deeply divided also (whereas acanthacoma is only divided to a few cms maximum) and the tips of the leaves are far less dangerous." Editing by edric.

Rare Trithrinax from south brasil. Often confused with Trithrinax acanthacoma it is easily recognised by its white inflorescence (as opposed to yellow), deeply divided leaflets, slight blue leaf colour, and feeble spines that only appear at apex of trunk and quickly disintegrate.

"Small to medium sized, solitary palmate palm, with an unusual woven fibre wrapping the trunk, fibre falls away very easily to reveal a finely detailed pattern of old leaf bases. Leaves are greyish green, very deeply divided, with each individual leaflet being split into two long thin "fingers". The spines are only found at the apex, and due to their feeble nature tend to fall away very quickly. It grows large bunches of white/pale green oval fruits about 1.5 cm long, the seeds being the largest of the genus." (Nigel Kembrey)

Mature height: 20', Mature spread: 6', Habit: Solitary.

Culture

Sunny, moist, but well drained position. Drought and frost tolerant. Slightly alkaline soil. Slow growing, seedlings in cultivation can take 3 years to produce the first palmate leaf. Suitable for sub-tropical all the way thru to temperate gardens. (Nigel Kembrey)

"Trithrinax grows well for me in Augusta, Ga., but needs to be fertilized carefully. It can suffer from Boron deficiency, so watch for the central growth area starting to grow sideways and for leaves that become small and distorted." (J. Levert)

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Comments and Curiosities

Conservation: The palm is threatened by forest clearance,fires and cattle grazing.

Trithrinax brasiliensis is known as "carandá", "burití" or "leque". It is considered a rare and endemic species in southern Brazil, occurs in Argentina and southern Brazil. Nowadays it is considered a threatened species belonging to the category "In Danger" in the List of Threatened species of Rio Grande do Sul state, southern Brazil.

References

Phonetic spelling of Latin names by edric.

Special thanks to Geoff Stein, (Palmbob) for his hundreds of photos.

Special thanks to Palmweb.org, Dr. John Dransfield, Dr. Bill Baker & team, for their volumes of information and photos.

Glossary of Palm Terms; Based on the glossary in Dransfield, J., N.W. Uhl, C.B. Asmussen-Lange, W.J. Baker, M.M. Harley & C.E. Lewis. 2008. Genera Palmarum - Evolution and Classification of the Palms. Royal Botanic Gardens, Kew. All images copyright of the artists and photographers (see images for credits).


Many Special Thanks to Ed Vaile for his long hours of tireless editing and numerous contributions.

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