Podocarpus Neriifolius D. Don Photo Courtesy: S.S. Dash PODOCARPACEAE Podocarpus Neriifolius D. Don Vernacular Names : Andaman

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Podocarpus Neriifolius D. Don Photo Courtesy: S.S. Dash PODOCARPACEAE Podocarpus Neriifolius D. Don Vernacular Names : Andaman

PODOCARPACEAE Podocarpus neriifolius D. Don Vernacular names : Andamans : Thitumi wehinada; Asm. : Kat bhaluka; Cachar : Jinari; Hindi : Halis; Kh .: Dieng-sia-blei; Lep .: Dung Kung; Lus .: Kherawaltak, Thlangpar; Nep .: Gunsi. Distribution : INDIA: E Himalayas - Sikkim, hills of Arunachal Pradesh, Assam and Andamans; SW CHINA; BHUTAN; MYANMAR and MALAY Peninsula. Habitat : Grows in evergreen forests of eastern Himalayas and hills of Assam. The tree is stunted in the high hills of the middle Andamans at an altitude of ca 1500 m. Population status/Cause for RET : Vulnerable. Exploited for its wood which is useful for various purposes. Podocarpus neriifolius D. Don Photo Courtesy: S.S. Dash Description : Evergreen trees, variable in size. Bark greyish-brown, peeling off in long papery flakes; branches whorled. Leaves scattered or whorled, subsessile, 10-18 × 0.8-1.5 cm on old trees and 12.5- 25 × 1.5-2 cm on young trees, linear-lanceolate, coriaceous. Pollen cones solitary or in clusters of 2 or 3; peduncle of female solitary, ca 1.3 cm long; male and female flowers axillary. Receptacle of the fruit fleshy, with oblong depression at top, variously lobed, pale yellow-green turning orange-red to deep purple. Seed solitary, 1.5-1.75 × 0.5-1.25 cm, globose, bluish-black when ripe. Fl. & Fr. : May - November. Parts used commercially : The tree yields a high class timber used for carpentry work like making oars, paddles, masts, camp furniture, ladders, airplane parts, tea boxes and also for packing. It is a poor quality fuel wood. The wood seasons well and does not develop surface cracks. The wood is not resistant to white ants but is durable under cover and in contact with water. The fleshy receptacles of the fruit are edible. Legal : Listed by Nepal in Appendix III of CITES. Reference : Jain, S.K. & A.R.K. Sastry (1980). Threatened Plants of India. A State-of-the Art Report. P. 43. .

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Vietnam Journal of Chemistry, International Edition, 54(4): 488-490, 2016 DOI: 10.15625/0866-7144.2016-00352 Diterpenoids from the wood of Podocarpus neriifolitus Nguyen Hoang Sa1, Nguyen Thanh Tam2, Nguyen Thi Hoang Anh2, Dao Duc Thien2, Tran Duc Quan2, Dinh Thi Phong3, Le Quoc Thang4, Tran Van Sung2, Trinh Thi Thuy2* 1Nha Trang College of Education, 01 Nguyen Chanh road, Nhatrang, Khanhhoa 2Institute of Chemistry, Vietnam Academy of Science and Technology (VAST), 3Vietnam National Museum of Nature, VAST 4 Hue University’s College of Educations, 34 Le Loi, Hue City Received 22 July 2016; Accepted for publication 12 August 2016 Abstract Using combined chromatographic methods, three known diterpenoids, inumakiol D (1), totarol (2) and totarol-19- carboxylic acid (3) along with β-sitosterol and β-sitosterol glucoside were isolated from the ethyl acetate extract of the wood of Podocarpus neriifolius collected in Lam Dong province, Vietnam. Their structures were determined by MS, 1D-, 2D-NMR data analysis and comparison with published references. This is the first report of compounds 1-3 from this plant. Keywords. Podocarpus neriifolius, diterpenoid, inumakiol D, totarol, totarol-19-carboxylic. 1. INTRODUCTION spectrometer using TMS as internal standard for 1H and solvent signal for 13C. ESI-MS was taken on an Podocarpus neriifolius D. Don - “Thông tre lá Agilent 1100 LC-MSD Trap spectrometer. Merck dài”- (Podocarpaceae) is tree with straight and round TLC aluminum sheets with silica gel 60 F254 (layer trunk, growing up to 20 - 25m high. It was sparsely thickness 0.2 mm) were used. Column distributed in primary forest areas in northern chromatography (CC) was carried out on silica gel Vietnam as Nghean, Hatinh, Yenbai, Tuyenquang Merck 60 (0.040-0.063 mm) and Sephadex LH-20.
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