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Diospyros quaesita - Thwaites
                 
Common Name Calamander, kalu mediriya
Family Ebenaceae
USDA hardiness 10-12
Known Hazards None known
Habitats Infrequent in lowland wet evergreen forest and in dry forest[ 338 ].
Range E. Asia - southestern Sri Lanka.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Tender Well drained soil Moist Soil Full sun

Summary
Diospyros quaesita is a large tree endemic to Sri Lanka. It produces a super luxury class wood that is hard, greyish brown, and variegated with broad or narrow belts of black. It has no edible part but the heartwood is used medicinally to treat wounds.

Diospyros quaesita Calamander, kalu mediriya


Diospyros quaesita Calamander, kalu mediriya
   
Physical Characteristics
 icon of manicon of cone
Diospyros quaesita is an evergreen Tree growing to 30 m (98ft) by 20 m (65ft) at a slow rate.
It is hardy to zone (UK) 10. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil.

Synonyms
No synonyms are recorded for this name.

Habitats
Edible Uses
None known
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.



The heartwood is used to heal wounds[ 338 ].
Other Uses
Other Uses: The wood is hard, greyish brown, variegated with broad or narrow belts of black. A beautifully marked heartwood, it is used in high-end applications such as ornamental cabinet work, furniture, carvings, musical instruments[ 146 , 719 ]. We do not have any more specific information for this species. However, though varying widely in the relative proportion and the colouring of sapwood and heartwood, all the woods of the genus Diospyros are practically indistinguishable as regards their structure, as described below:-[ 721 ] Whether or not a given species produces heartwood depends largely on the size the tree has attained, but evidently also on other conditions, as there is a wide variation in the relative amounts of sapwood and heartwood even in individuals of the same species. When produced, the heartwood can be black with rosy, yellowish, brownish, or ashy streaks, sometimes it is nearly or totally black; it is generally sharply demarcated from the thin to very wide band of whitish, yellowish, or red sapwood. The texture is fine, smooth and (especially in the heartwood) very dense; the grain is generally very straight. The wood is hard to very hard; heavy to very heavy; the sapwood is tough and flexible whilst the heartwood is brittle; the heartwood is very durable, the sapwood moderately so. It is difficult to season well, logs almost invariably checking in several directions from the heart outward, while sawn lumber must be stacked carefully and weighted to prevent warping; once thoroughly dried, however, it becomes very stable. Its density makes it difficult to work, but it takes a beautiful surface under sharp tools[ 721 ]. Small trees containing little or no heartwood are used locally for posts, beams, joists, rafters, window sills, parts of agricultural implements, etc.; also, in lumbering, small poles are used for skids on account of their hardness, toughness and smooth wearing qualities. The heartwood (or sometimes sap and heart together) is used for scabbards, canes, hilts, tool handles, gunstocks, saw frames, etc.; it is a favorite for musical instruments, especially finger boards and keys of guitars; furniture, cabinetwork, inlaying; paper weights, inkstands and similar desk supplies; the sapwood, which is almost as hard as the heartwood and very much tougher, is an excellent material for T-squares and other drawing instruments, for shuttles, bobbins, spindles, golf-club heads and shafts, axe, pick, and hammer handles, etc[ 721 ].
Cultivation details
A large tree that naturally occurs in the evergreen forests of lowland wet zones. Slow growing for a high-value timber but could be combined with faster growing products such as cardamon, fishtail palm and rattan. Diospyros species are dioecious and require both male and female forms to be grown if fruit and seed are required[ 899 ].
Propagation
Seed - in general the seed of Diospyros species has a very short viability and so should be sown as soon as possible. The flesh should be removed since this contains germination inhibitors. Sow the seed in a shady position in a nursery seedbed. The sowing media for ebony uses soil and fine sand at the ratio 3:1. The seed is planted horizontally or vertically with the radicle end down, with a sowing depth of 1 - 1_ times the thickness of seed. Distance between the seeds is 3 - 5cm. Seeds are very sensitive to desiccation during germination and early growth, so must be regularly watered at this time. Normally the seed will germinate after one week[ 325 ]. As a rule fresh seeds have a high percentage of fertility. The seedlings develop long taproots at an early stage, often before any appreciable elongation of the shoot takes place. The growth of the seedling is decidedly slow [ 652 ].
Other Names
Found In
Sri Lanka
Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status
IUCN Red List of Threatened Plants Status : Status: Vulnerable A1cd
Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Diospyros celebicaIndonesian Ebony, black ebony, makassar-ebenholts20
Diospyros conzattiiZapote negro mont's, zapotillo.40
Diospyros crassifloraBenin Ebony02
Diospyros digynaBlack Sapote, Chocolate Pudding Tree41
Diospyros ebenumEbony, Ceylon Ebony, Mauritius Ebony, Ebony Persimmon12
Diospyros kakiPersimmon, Japanese persimmon43
Diospyros lotusDate Plum51
Diospyros malabaricaIndian Persimmon, Gaub, Timbiri, Mountain ebony13
Diospyros mespiliformisWest African Ebony, Monkey guava, jackalberry43
Diospyros munMun Ebony, Vietnamese Ebony00
Diospyros tessellariaBlack ebony, Mauritian ebony20
Diospyros texanumBlack Persimmon20
Diospyros virginianaAmerican Persimmon, Common persimmon, Persimmon51
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Subject : Diospyros quaesita  

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