Koda Tree

The koda tree (Ehretia laevis), called chamror across the Pothohar and adjoining plains, is a modest Boraginaceae tree that a grower keeps for one honest reason: it is a hardy, browse-friendly small tree that feeds livestock and fills the middle of a planting without demanding much in return.¹ It is not a showpiece. It is a quiet workhorse for the secondary layer.

Where it thrives

Its range runs across the Indian subcontinent into Indo-China, and it sits comfortably in the seasonally dry tropical and subtropical conditions of the Pothohar, the Punjab plains and the lower KPK hills.² It is a deciduous tree of roughly ten metres, tolerant of poor, stony and well-drained ground, and it copes with the hot, dry summers and cool winters that define rain-fed Pakistani uplands.² It handles drought once established, which is why you find it persisting on degraded slopes and field margins where richer trees fail.

Role in the system

In a syntropic planting, chamror works as a secondary-layer tree: it slots in beneath and between the climax canopy, filling the gap that fruit and nut trees leave open. Its main job is fodder, since its leaves carry the carbohydrates, proteins and minerals that make it a worthwhile feed plant, so it doubles as a living browse reserve you draw on through the dry months.¹ That same lopping is chop-and-drop in disguise: prunings you do not feed out go straight onto the ground as mulch, returning leaf litter and shading the soil surface. As a deep-rooted woody plant it anchors slopes and shelters the lower shrub and grass layers, acting as a minor windbreak within the guild rather than at its edge. Place it as support and succession structure, a tree that holds the middle storey while slower climax species establish around it.

Growing it

It is grown from seed, which is the usual route, though germination can be slow and uneven, so sow generously and be patient. Give it full sun and free-draining soil; it does not want waterlogging. Once it is past the first year or two it asks for little, surviving on rainfall in most of its range. Coppice and pollard it hard to keep fodder within reach and to drive fresh leafy regrowth, and stagger your lopping so you are never stripping a tree bare in one pass.

What you get

You get year-round browse, a steady trickle of mulch from prunings, and a small reserve of close-grained wood usable for tool handles and minor farm timber. The bark and leaves also carry a long record of traditional medicinal use in the region, which adds household value beyond the field.¹³ None of these are headline returns, but together they make a tree that pays its way on land that grows little else.

Sourcing notes

Collect ripe seed from a healthy local specimen, or look for wildlings under established trees that can be lifted and transplanted. Because germination is patchy, raise more seedlings than you need in a nursery bed before planting out. Site it as a mid-layer fodder and mulch tree among your climax plantings, not as a perimeter species.

Sources

1. Sharma, P. et al. (2021). “Phytochemical and Ethnopharmacological Perspectives of Ehretia laevis.” Molecules.
2. Royal Botanic Gardens, Kew (2024). “Ehretia laevis Roxb.” Plants of the World Online.
3. Oselusi, S.O. et al. (2023). “Ehretia Species Phytoconstituents as Potential Lead Compounds against Klebsiella pneumoniae Carbapenemase.” BioMed Research International.