Thursday, March 6, 2014

Dalbergia

Dalbergia

A genus of close to 100 species of trees native to the tropics of all continents except for Australia. The foliage of most species looks like that of Robinia pseudoacacia - Black Locust. Many species are valuable for their timber which is excellent for cabinet making.
Propagation is from seed after soaking in water for 24 hours. They should be planted on their permanent site while small at the beginning of the rainy season.

Dalbergia greveana
A very large tree native to central Africa where it is endangered.
Some records include: largest on record - 180 feet with a trunk diameter of 4 feet.
Hardy zones

Dalbergia latifolia ( Black Rosewood )
Some records include: 25 years - 67 feet with a trunk diameter of 1 foot; largest on record - 136 x 100 feet with a trunk diameter of 6.5 feet.
The pinnate leaves, up to 9 inches in length, are composed of 7 leaflets, up to 3 inches in length. It can be either deciduous or evergreen depending on climate.
Hardy zones 10+. It is tolerant of clay and extreme heat to as much as 115 F.

Dalbergia melanoxylon
Some records include: fastest recorded growth rate - 32 inches with a trunk diameter increase of 0.5 inches; 2 years - 5 feet; 3 years - 7.5 feet; 4 years - 10 feet; 8 years - 16 feet; largest on record - 100 feet.
The leaves, up to 9 inches in length, are composed of up to 9 leaflets.
Thrives in Yuma

Dalbergia nigra
Some records include: largest on record - 130 feet with a trunk diameter of 5 feet.
Hardy zones

Dalbergia oliveri ( Tamalan )
A spreading, medium size evergreen tree native to Burma and Thailand.
Some records include: largest on record - 82 x 60 feet with a trunk diameter of 4 feet.
The fern-like pinnate leaves, up to 11 inches in length, are composed of up to 21 leaflets, up to an inch in length.
The flowers are borne in panicles. The lavender buds open to pink flowers that fade to white.
They are followed by narrow seed pods.
The bark is smooth and gray.
Hardy zones 11 to 12

Dalbergia retusa
A large tree native to Central America where it is endangered.
Some records include: largest on record - 100 feet with a trunk diameter of 4 feet.
The pinnate leaves are composed of leaflets, up to 5 x 1.5 inches.
Hardy zones 10+

Dalbergia sisso ( Indian Rosewood )
A very rapid growing large tree native to India.
Some records include: 1 year - 16 feet; 5 years - 33 feet; 10 years - 50 feet; 12 years - trunk diameter of 8 inches; 30 years - trunk diameter of 1.5 feet; largest on record - 120 x 75 feet with a trunk diameter of 7 feet.
The leaves are composed of 5 ovate leaflets, up to 3 inches in length.
Hardy zones 9b to 12 tolerating as low as 20 F. It requires a soil PH from 5 to 8 and an average yearly rainfall between 20 and 180 inches. Does not enjoy clay.

Dalbergia stevensonii ( Honduran Rosewood )
A large tree native to Belize where it is endangered.
Some records include: largest on record - 100 feet with a trunk diameter of 4 feet.
Hardy zones 10+

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