Persian Silk Tree Seeds (Albizia julibrissin) 15+Seeds
Persian Silk Tree Albizia julibrissin is a small deciduous tree growing to 5–12 m tall, with a broad crown of level or arching branches. The bark is dark greenish grey in colour and striped vertically as it gets older. The leaves are bipinnate , 20–45 cm long and 12–25 cm broad, divided into 6–12 pairs of pinnae, each with 20–30 pairs of leaflets; the leaflets are oblong, 1–1.5 cm long and 2–4 mm broad. The flowers are produced throughout the summer in dense inflorescences , the individual flowers with no petals but a tight cluster of stamens 2–3 cm long, white or pink with a white base, looking like silky threads. They have been observed to be attractive to bees , butterflies and hummingbirds . The fruit is a flat brown pod 10–20 cm long and 2–2.5 cm broad, containing several seeds inside.There are two varieties : Albizia julibrissin var. julibrissin . The typical variety, described above. Albizia julibrissin var. mollis . Differs in the shoots being densely hairy. There is also a form , Albizia julibrissin f. rosea which has, in the past, been classed either as a variety or as a cultivar . This is a smaller tree, only growing to 5–7 m tall, with the flowers always pink. Native to the northeast of the species' range in Korea and northern China, it is more cold-tolerant than the typical form, surviving temperatures down to at least -25 °C.