Tree bean

Parkia javanica is a middle-sized, unarmed tree that can reach a height of up to 30 meters, characterized by spreading branches and brown, pubescent twigs. The leaves are alternate, compound, and bipinnate, with a long petiole that often contains glands below the lower pair of pinnae and a few between the upper pinnae. The pinnae vary from 8 to 30 pairs, while the leaflets, numbering 40 to 80 pairs, are closely set, sessile, linear-oblong in shape, and falcate (sickle or scythe shaped), with a base that appears as if cut off by a straight transverse line (truncate). The leaf base is often swollen, forming a pulvinus. The tree’s inflorescence is racemose, featuring dense, clavate heads with sterile flowers lower down, on long peduncles measuring 30 to 40 cm. The receptacle of the inflorescence is narrowed into a 2.5–3 cm long stalk. The small, pale yellow flowers are complete, bisexual, regular, actinomorphic, hypogynus, pentamerous, and thalamus slightly cup shaped, with silky pubescent bracts on the outside. The calyx comprises five sepals that are gamosepalous, tubular, and imbricate, which is unique to the genus within the Mimosaceae family (which is usually valvate). The corolla consists of five pale yellow petals that are fused at the base, forming a short tube, cleft halfway down and valvate. …