Regions: north-east

Reetha — the washing fruit of the sub-Himalayan tract, from a good shade tree.

The vine that made the Malabar coast; needs a tree to climb and constant humidity.

Green cardamom of the Western Ghats — deep shade, cool air and steady rain.

Coppiced for its inner bark; the leaf is a spice in its own right.

A sub-Himalayan tree giving edible fat and enormous quantities of nectar.

Buransh — scarlet trusses across the mid-Himalaya in March.

Flushes pink-red new leaves in spring; a broad, fast shade tree.

The dominant tree of eastern and central forest; only for reforestation planting.

Host tree of the lac insect, with brilliant red leaf flush in spring.

The fastest usable material on earth; one clump supplies poles for years.