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Comprehensive Description

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Trichilia triacantha Urban, Symb. Ant. 1: 329. 1899
Acanthotrichilia triacantha Cook & Coll. Contr. U. S. Nat. Herb. 8: 65. 1903.
A shrub 5-10 m. tall, with grayish-brown branches; young twigs densely puberulent; leaves odd-pinnate with closely approximate leaflets; petioles 3-6 mm. long; leaflets 3-7, obovate-cuneate or cuneate, 1-3 cm. long, 0.5-1.5 cm. broad, all broadest at or near the 3toothed apex (teeth rarely 4 or 5), with the margins concave between the teeth, sessile or subsessile, coriaceous, reticulate-veined, glabrous; inflorescence racemose or paniculate, axillary at the apex of the branches and twigs, 4 cm. long; flowers not seen; calyx-tube short cup-shaped, the margin strongly depressed or obsoletely toothed, 0.7 mm. long; petals 4 or 5, in aestivation valvate, ovate or elliptic, 2-2.5 mm. long, coriaceous, minutely pilose on the back; staminal tube 2 mm. high; anthers 8 or 10, sessile on the margin of the disk between the teeth; style a little shorter than the ovary; stigma capitate; disk wanting; ovary globose, tapering into the style, pilose, 1-celled; fruit unknown.
Type locality: In limestone mountains at Tallaboa, near Pefiuelas, Porto Rico. Distribution: Porto Rico.
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bibliographic citation
John Kunkel Small, Lenda Tracy Hanks, Nathaniel Lord Britton. 1907. GERANIALES, GERANIACEAE, OXALIDACEAE, LINACEAE, ERYTHROXYLACEAE. North American flora. vol 25(1). New York Botanical Garden, New York, NY
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North American Flora

Trichilia triacantha

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Trichilia triacantha, the bariaco,[2] is a species of plant in the Meliaceae family. It is endemic to Puerto Rico. It is threatened by habitat loss. It is a federally listed endangered species of the United States.

The bariaco is a shrub or a tree reaching up to 9 meters tall. It has leaves made up of several leathery, spine-toothed leaflets and the flowers are white.[3] The fruit is a capsule with a red aril.[4]

The plant grows in dry forest habitat on limestone substrates, often near intermittent streams.[3]

As of 2007 there were 10 populations of the tree containing a total of 109 individuals. 47 of these were found to be fertile. Six of the ten populations were located in the Guánica National Forest. Two of these were composed of single individuals located several kilometers from other members of the species, and so are unlikely to reproduce.[4]

This plant has been overharvested because its wood is useful and attractive.[3]

References

  1. ^ World Conservation Monitoring Centre (1998). "Trichilia triacantha". IUCN Red List of Threatened Species. 1998: e.T30969A9596129. doi:10.2305/IUCN.UK.1998.RLTS.T30969A9596129.en. Retrieved 17 November 2021.
  2. ^ USDA, NRCS (n.d.). "Trichilia triacantha". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 14 December 2015.
  3. ^ a b c USFWS. Determination of Endangered Status for the Plant Trichilia triacantha (Bariaco). Federal Register February 5, 1988.
  4. ^ a b Ventosa-Febles, E. A. (2007). Distribution and habitat characteristics of Trichilia triacantha (Meliaceae) in Puerto Rico. Endanger Species Res 3 267-71.
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Trichilia triacantha: Brief Summary

provided by wikipedia EN

Trichilia triacantha, the bariaco, is a species of plant in the Meliaceae family. It is endemic to Puerto Rico. It is threatened by habitat loss. It is a federally listed endangered species of the United States.

The bariaco is a shrub or a tree reaching up to 9 meters tall. It has leaves made up of several leathery, spine-toothed leaflets and the flowers are white. The fruit is a capsule with a red aril.

The plant grows in dry forest habitat on limestone substrates, often near intermittent streams.

As of 2007 there were 10 populations of the tree containing a total of 109 individuals. 47 of these were found to be fertile. Six of the ten populations were located in the Guánica National Forest. Two of these were composed of single individuals located several kilometers from other members of the species, and so are unlikely to reproduce.

This plant has been overharvested because its wood is useful and attractive.

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wikipedia EN