Posted by: philippineflora | September 3, 2009


Common Name: Kalantas

Local Names: Anipla (Iv.); danigga (Ibn.); danupra (Ilk.); kalantas (Pang., Sbl., Tag.); kantingen (Ilk., Sbl.); lanigda (Bik.); lanigpa (Bik.); lanipga (Bik., S. Bis., C. Bis.); porak (Ilk.).

Scientific Name: Toona calantas Merr. & Rolfe

Family Name: Meliaceae


Kalantas is a tree 35 m tall with a diameter of 152 cm. The trunk is terete nad straight. The leaves are compound, alternate, oddly pinnate. The inflorescence is paniculate profuse, lax, equaling or shorter than the leaves, the lower half pedunculate. The fruit is an ellipsoid capsule; dehiscing from the apex toward the base, dark brown, slightly thicker above the middle, 3.2-3.5 cm x 1.2-1.4 cm, with 5 central columns where brown seeds are packed distinctly but unequally winged at each end. The seed with
wings measures 1.2-1.5 cm x 0.4-0.5 cm; that without wings, 5-6 mm x 4-5 mm.

Flowering June-August
Fruiting September-November
Seed collection February-march
Place of collection Mt. Makiling, Laguna

Seed extraction/processing
Capsules easily open and seeds eventually dehisce. Or extract the seeds manually. Remove the wings before sowing.

Seed count: 149,600-150,000/kg
Seed type: Intermediate
Seed germination
Seeds sown in trays with OGS and dried humus germinated after 7 days while seeds sown in 3 layers of filter paper (blotter test) germinated after 3 days. Complete
germination was observed in the blotter and in the potting medium after 6 and 10 days of sowing respectively.
The seeds of this species are the intermediate type. These should be sown after drying them for two days to obtain high percent germination.

Kalantas is widely distributed throughout the Philippines especially in the Balabac group of islands.
The kalantas wood is used in the manufacture of cigar boxes, furniture, and plywood.
Kalantas has distinct ring-porous rings about 2-8 mm wide. Vessels are mostly isolated but sometimes ring-porous. Large vessels are aligned concentrically; vessel elements are distinct averaging 2/mm. The species contains occasional black gummy deposits and iridescent xyloses in some vessels. The fibers of kalantas are moderately loose. The vasicentric parenchyma is inconspicuous while the terminal parenchyma is distinct. It consists of 1-4 bands at the end of a ring which are moderately narrow to very broad and few to moderately few.
The outer bark, 1.3 mm, is brown; the inner bark is 10 mm, reddish with cedary odor. The cambium, 2-3 mm, is white exuding a clear sticky sap with aromatic smell. The
sapwood, white or faintly red, is soft.
Kalantas is generally scattered in the forest hills and in primary forests at low and medium altitudes. It prefers deep, well-drained soils.

Source:  Indigenous Forest Tree Species in Laguna Province. Compiled by Maria dP. Dayan, Rosalinda S. Reaviles and Dolora B. Bandian. DENR Recommends. Volume 15b. DENR-ERDB, College Laguna. August 2007.



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