Medicinal Plants of Bangladesh
Medicinal Plants Database of Bangladesh includes the authentic Taxonomic Information, Vernacular/Bangla Name, Tribal and English Name, Family, Description and Photograph of the Plants, Chemical Constituents, Uses and Distribution of the species in Bangladesh. MPBD also contain dictionary of Botanical and Pharmacological terms.
Synonyms: P. tectorius Soland, P. fascicularis Lam.
Bengali/Vernacular Name: Keya, Ketaky, Keora, Keurikanta, Kewa kanta.
English Name: Screw pine, Caldera Bush.
Description of the Plant:
A much-branched shrub or a small tree, up to 6 m high; stem supported by aerial roots. Leaves 0.9-1.5 m long, ensiform, caudate-acuminate, the marginal spines pointing forward. Male fowers: spadix with numerous subsessile cylindric spikes. Female flowers: spadix solitary, 5 cm diam. Fruit an oblong or globose syncarpium, 15-25 cm long.
Leaves are alexiteric, tonic and aphrodisiac; used in leprosy, small-pox, syphilis, scabies and leucoderma. Leaves and spadix are used in diabetes. The oil and otto obtained from the bracts are considered stimulant and antispasmodic and are administered in headache and rheumatism. The root is considered diuretic, depurative and tonic (Yusuf et al. 2009).
Bracts of flowers yield an essential oil containing methyl ether of β-phenylethyl alcohol as principle constituent (70%). Essential oil obtained from blossoms (0.1- 0.3%) contains benzyl benzoate, benzyl salicylate, benzyl acetate, benzyl alcohol, geraniol, linalool, linalyl acetate, bromostyrene, guaicol, phenylethyl alcohol and aldehydes (Chopra et al., 1992). The oil also contains terpinenol (Ghani, 2003).
Coastal areas including St. Martin’s and sporadically in other districts