The term "Long Plants" could refer to various plants known for their height or their long, slender parts such as leaves, stems, or pods. However, if you're referring to "Long Pepper," here's some detailed information about it:

Long Pepper (Piper longum)

• Botanical Name: Piper longum
• Family: Piperaceae
• Common Names: Long Pepper, Indian Long Pepper, Pippali
• Appearance: Long Pepper is a flowering vine that can grow up to 1-2 meters (3-6 feet) long. It has heart-shaped leaves and produces spikes of small, reddish-brown fruits that are used as a spice. The fruits are elongated and resemble small, thin pinecones.