Physical Description

Morphology

Physical Description

Perennial, Trees, Shrubs, Woody throughout, Nodules present, Stems erect or ascending, Stems or branches arching, spreading or decumbent, Stems greater than 2 m tall, Stems solid, Stems or young twigs glabrous or sparsely glabrate, Leaves alternate, Leaves petiolate, Stipules conspicuous, Stipules per sistent, Stipules free, Stipules spinose or bristles, Leaves compound, Leaves odd pinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets alternate or subopposite, Leaflets 3, Leaflets 5-9, Leaves glabrous or nearly so, Flowers in axillary clusters or few-floweredracemes, 2-6 flowers, Inflorescences racemes, Inflorescence axillary, Inflorescence terminal, Bracts very small, absent or caducous, Bracteoles present, Flowers zygomorphic, Calyx 5-lobed, Calyx glabrous, Petals separate, Corolla papilionaceous, Petals clawed, Petals orange or yellow, Banner petal suborbicular, broadly rounded, Wing petals narrow, oblanceolate to oblong, Wing petals incurved, Keel tips obtuse or rounded, not beaked, Stamens 9-10, Stamens monadelphous, united below, Filaments glabrous, Style terete, Fruit a loment, jointed, separating into articles, Fruit stipitate, Fruit indehiscent, Fruit elongate, straight, Fruit oblong or ellipsoidal, Fruit exserted from calyx, Fruit internally sept ate between the seeds, Fruit compressed between seeds, Fruit glabrous or glabrate, Fruit 1-seeded, Fruit 2-seeded, Seeds reniform, Seed surface smooth, Seeds olive, brown, or black.
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Dr. David Bogler

Source: USDA NRCS PLANTS Database

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Brya ebenus

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Brya ebenus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Specimens with Barcodes: 2
Species With Barcodes: 1
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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Wikipedia

Brya ebenus

Brya ebenus, also known as espino de sabana, granadillo, [1] cocus wood, cocuswood, and coccuswood, is a species of flowering tree in the pea family, Fabaceae, that is native to the Caribbean islands of Cuba and Jamaica.[2] Horticulturally it is known as the Jamaica(n) Rain Tree.

Key Features

The Jamaican Rain Tree is a small drought-resistant tree that can grow around 20-30 feet tall and produces long, drooping branches. It has small, waxy 2-3 parted compound leaves that often appear to be simple. The leaves are densely borne in alternate formation on short spurs that are produced on the main stems [[3]]. The bright yellow flowers develop on a short indeterminate (racemose) inflorescence. They are typically (for the Faboideae subfamily) pea-like and hermaphroditic, with bilateral symmetry and (not so typically) heterostyly. , The fruits are legumes which are common for the Fabaceae family. They appear to wind dispersed. The fruit does not grow on the Jamaican Rain Tree.

Ecology

B. ebenus grows in scrublands needing full sunlight and flowers sporadically throughout the year. Grows in a Tropical Terrestrial Biome. As its common name suggests, the Jamaican rain tree is well known to come into bloom almost immediately after a rain event. This is may be an adaptation to produce seeds quickly when unpredictable rains occur. The flowers attract insect visitors such as bees. As in many Faboideae,, the Jamaican Rain Tree has bacterial nodules in its roots, which fix atmospheric nitrogen into a usable form, allowing growth in poor soils.

Biogeography

There are four rare Caribbean species of Fabaceae (Faboideae) that were described by Lewis (1988). They are Behaimia cubensis, Belairia mucronata, Herpyza grandiflora & Brya ebenus. Of these four species, Brya ebenus is the only species that is not endemic to Cuba.

Cultivation and uses

B. ebenus is cultivated as an ornamental, for bonsai trees, and for its valuable wood. Cocus wood is a very dense tropical hardwood with excellent musical tone quality, and was used for making flutes in England and France especially during the 19th century.[4] It is still occasionally used for reeded wooden musical instruments such as bagpipes, clarinets and oboes.

References[edit]

  1. ^ "Virtual Herbarium". http://www.virtualherbarium.org/research/JewelsCaribbean.html. 
  2. ^ "Brya ebenus (L.) DC.". Germplasm Resources Information Network. United States Department of Agriculture. 1994-08-23. Retrieved 2009-04-19. 
  3. ^ "Black Olive East Nursery". http://www.blackoliveeastnursery.net/index.php?main_page=product_info&cPath=77&products_id=1293. 
  4. ^ "Irish Flutes - Materials". 


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