Tree Fanatic

Tree Species

Diospyros assimilis Bedd.

Taxonomy

Properties

Botanic
A medium-sized tree up to 30 m tall, bole straight, up to 90 cm in diameter, with buttresses up to 2 m high, bark surface scaly, fissured, black to grey-black. Leaves ovate-oblong to oblong-lanceolate, 5-13 cm x 2-6 cm, base cuneate to rounded, apex slightly acuminate to rounded, glabrous, tertiary venation reticulate, inconspicuous above, prominent below. Flowers mostly male and bisexual; male flowers in 3-16-flowered cymes, 4-merous, stamens 16; female and bisexual flowers solitary, 3-4 merous, calyx lobes valvate, glabrous, corolla divided to about halfway, staminodes 8, ovary with a single 4-5-lobed style and 8 uni-ovulate locules. Fruit depressed globose to subglobose, up to 1.5 cm across, glabrous. D. ebenum has been known for its black wood since ancient times.
Habitat
Its reported occurrence in Sulawesi and eastwards is erroneous. It occurs naturally in comparatively dry areas.

Cultivation and Marketing

Cultivation
Southern India and Sri Lanka; cultivated in Peninsular Malaysia.
Propagation
Propagation is from seed or stumps.
Germplasm
One kg contains about 9000 seeds.
Uses and Function
Shade or shelter: The tree has been planted in India as a shade tree for cardamom.
Medicine: The gummy astringent fruits are used as a medicine and eaten in times of famine. Poison: The gummy astringent fruits also used as fish poison. Timber: D. ebenum is said to produce the best commercial black ebony. It is mainly exported to China for furniture and to Europe as fancy wood.

Variable

Wood Density
3 rows
0.710.921.030.920015Oey Djoen Seng (1951) in Soewarsono (1990). Specific Gravity of Indonesian Woods and its Significance for Practical Use, FRDC, Forestry Department, Bogor, IndonesiaSulawesi Tenggara, Sulawesi Tengah (Indonesia)
0.740.7400Oey Djoen Seng (1951) in Soewarsono (1990). Specific Gravity of Indonesian Woods and its Significance for Practical Use, FRDC, Forestry Department, Bogor, IndonesiaSouth-East Asia (tropical)
0.920.9200Jenis-Jenis Pohon Disusun Berdasarkan Nama Daerah dan Nama Botaninya, Buku 10, MalukuMaluku
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Statistic Summary of Wood Density (g/cm³)

N
3
Mean
0.8600
Median
0.9200
Mode
0.9200
Stdv
0.1039
Variance
0.0108
Range
[0.74, 0.92]
Cumulative Distribution Plot
  • If the Moisture Content column is undefined, you may assume the value of 15%
  • The statistic summary is based on data availability in the database, thus it may change upon the data collection updates

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