Shyonak, Sona Patha (Oroxylum Indicum) – Properties, Benefits & Dosage Description of Plant Shyonak (Oroxylum indicum) is small perennial tree extending to a height 8-15m branched at top chiefly grow in evergreen forest. Its leaves are 0.5-1.5 m long, 2-3 pinnate with opposite pinnae, leaflets 2-4 pairs, 6-12 cm long and 4-10 cm broad, ovate or elliptic, acuminate, glabrous; petioles of the lateral leaflets 6-15 mm long. Flowers are numerous having reddish-purple and pinkish-yellow within, about 0.3-0.6 meter long. The