Barleria Prionitis Linn

Barleria Prionitis Linn Barleria prionitis Linn Vernacular names English- common yellow nailo dye plant Ayurveda Kuruntaka, kurunta, sahachara, vajradanti Unani Piyaabaansaa Tamil or siddha: chemmulli Biological source : It consist of dried whole plant of Barleria prionitis Linn (Acanthaceae) Geographical source: It found throughout the hotter parts of India. It commonly grown as ornamental plants in gardens Cultivation The shrubs prefer a sunny situation on wide variety of well-drained moist soil. They tolerate temperatures only above at least 1 °C. It best grows with average annual rainfall between 750-900 mm. The seeds are very light in weight containing 33,000 seeds/kg. Seedlings grow slowly at first i.e. germinated between 13 and 77 days following sowing. However, an established plant grows fast. These shrubs flower from September to December and fruit from January to April.and can be harvested for four years. Natural regeneration generally occurs within 1 or 2 m of the parent plant. Description It is evergreen, is a tender, erect, branching, evergreen shrub with spiny stem nodes, elliptic to oblong, mid-green leaves, and spikes of tubular, yellow to yellow-orange flowers in summer.is a tender, erect, branching, evergreen shrub with spiny stem nodes, elliptic to oblong, mid-green leaves, and spikes of tubular, yellow to yellow-orange flowers in summer.is a tender, erect, branching, evergreen shrub bushy shrub grows up to 1-2 m with spiny stem nodes, elliptic to oblong, mid-green leaves, 6 to 12 centimeters long, narrowed, and pointed at both ends. Flowers are yellow and axillary, with the upper ones in spikes. Bracts and calyx are green, with the outer bract usually foliaceous. Corolla is about 4 centimeters long, flowers in summer. The stems are terete, glabrous, much branched with cylindrical and tapering branchlet Leaves are smooth, opposite, ovate-elliptic to obovate, acuminate, tapering to base, entire, margin finely ciliate, bristle-tipped and about 6-15 cm long an d 4-6 cm wide. The petioles are about 0.5-3 cm long, widely spreading spines present in axils. The flowers are sessile, yellow in colour and often solitary in lower axils and spictate in the upper axils. Bracts are acute, linear-lanceolate, foliaceous, about 1-1.5 cm long and 0.2-0.8 cm wide with bristle tipped. The corolla is bright, golden yellow in colour with pubescent outside and glabrous inside and about 1.5 cm long. The filaments are hairy and about 2-2.5 cm long, yellowish in colour with 3mm long yellow anthers. The ovary is ovoid and sigma is long, linear, sticky and pinkish in colour. The fruit is ovoid capsule containing 2 seeds. It is about 1.5-2 cm long and 0.6-0.8 cm wide. The seeds are oval-oblong, covered with silky copper-brown appressed hairs and measuring about 7.4-8.5Ãâ€"6-6.8 mm. Roots are central tap type, with lateral roots branching in all directions. Ayurvedic Properties Rasa – Madhura, Tikta Guna – Snigdha Virya – Usna Vipaka â€⠀œ Katu Karma – Kaphahara, Keya, Kà £sa, Ranjana, Visahara. Chemical constituents B. prionitis shows presence of glycosides, saponins, flavonoids, steroids and tannins Glycosides like prioniside A, prioniside B, prioniside, barlerinoside, verbascoside, shanzhiside methyl ester Saponins- lupulinoside, luteolin-7-O-ÃŽ ²-D-glucoside Flavonoids – apigenin 7-O-glucoside, 6-hydroxyflavones Phenolic acid – melilotic acid, syringic acid, vanillic acid, p-hydroxybenzoic acid It also sowed the presence of triterpenoids and steroids such as lupeol and B-sitosterol. Bark consist of 16% tannins and ellagic acid