JUDAS TREE. CERCIS JAPONICA.
Japanese redbud is a deciduous tree growing to 15 m at a slow rate. It is found in Eastern Asia (China and Japan) and is also called the Chinese Redbud and cercis chinensis.
It is hardy to zone 6 and is frost tender. It is in flower in May. The flowers are hermaphrodite (has both male and female organs) and are pollinated by Bees. It can fix Nitrogen. It is noted for attracting wildlife.
The plant prefers light (sandy) and medium (loamy) soils and requires well-drained soil. The plant prefers acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It requires moist soil.
Habitats: Woodland Garden; Canopy; Secondary
Medicinal uses: Used to treat bladder diseases, post-partum discharges, bleeding piles and internal parasites. The wood and the bark have been used to treat abscesses, bladder ailments and head troubles.
Source: http://www.pfaf.org/database/plants.php?Cercis+chinensis