- Sheild Indigo is a perennial herb with short stem and a woody rootstock.
- Flowers occur in 10-20 flowered racemes in leaf axils.
- The spine of the raceme is 3-angled, which lend the name to one of its species names triquetra.
- Purple flowers are about a centimeter long. The standard petal is circular.
- Flowering: August-September.
(SOURCE: http://www.flowersofindia.net/catalog/slides/Shield%20Indigo.html)


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