Gu Sui Bu Tincture, Gu Sui Bu, Drynaria (Drynaria Fortunei) Root

What the brand says

Sold as “Gu Sui Bu Tincture, Gu Sui Bu, Drynaria (Drynaria Fortunei) Root Liquid Extract, Herbal Supplement 4x4 oz”

Drynaria fortunei plant is an epiphytic herb, 20 to 40cm high. Fleshy, stout, and long rhizome grows horizontally and is covered densely with brown, linear chisel-shaped scales. Leaves come with two shapes. Foliage leaf is thick and leathery, reddish-brown or grayish brown, ovate, sessile, 5 to 6.5 cm long and 4 to 5.5 cm wide, and with pinnate lobed edges that looks like oak leaves. Sporophyll is green and with a short winged handle. Blade is oblong or oblong, 20 to 37cm long, 8 to 18.5cm wide, and pinnatipartite. 6 to 15 pairs of accessory pinna are broadly lanceolate or oblong, 4 ~ 10 cm long, and 1.5 to 2.5cm wide. Sori are round, brown, arranged with 2 to 4 lines on both sides of the middle vein.