Pepper long is the dried fruit of Piper longum which is a slender, aromatic plant with creeping jointed stems and perennial woody roots. The leaves are 5-9 cm long, 3-5 cm wide, ovate, cordate with broad rounded lobes at the base. Female spikes are cylindrical, male spikes are larger and slender. Female spikes are 1.3-2.5 cm long, 4.5 mm diameter, fruits ovoid, yellowish orange, minute, drupe and are sunk in the fleshy spike. The spike are red when ripe.

Pepper long is the dried fruit of Piper longum which is a slender, aromatic plant with creeping jointed stems and perennial woody roots. The leaves are 5-9 cm long, 3-5 cm wide, ovate, cordate with broad rounded lobes at the base. Female spikes are cylindrical, male spikes are larger and slender. Female spikes are 1.3-2.5 cm long, 4.5 mm diameter, fruits ovoid, yellowish orange, minute, drupe and are sunk in the fleshy spike. The spike are red when ripe.