Indigofera hancockii

The [Chinese] indigo is a member of the pea or Fabaceae family and is a deciduous, spreading shrub native of southern Sichuan and Yunnan provinces in China. It is a shrub that typically grows 0.5-1.8 m tall.

• Leaves are pinnate, 6-9 cm long, with 9-19 opposite leaflet blades, shape narrowly elliptic, 6-12 mm long and 4-6 mm across, abaxially green, adaxi¬ally lighter, base broadly cuneate to rounded, apex rounded to truncate.
• Pea-like flowers are in racemes 6–12 cm long, slender, erect, produced continuously from the leaf-axils from June until October on 4–15 mm peduncles. They are arranged closely on the raceme and are each 6 mm long, corolla pink to red, flowering from May to August.
• Legume seed pods are linear, cylindric, 3-4 cm long, turning brown over the winter.