| Local name | Kharsu oak |
| Botanical name | Quercus semecarpifolia |
| Family | Fagaceae |
| Description | It is a tree having young shoots tomentose. Leaves usually entire, brown or rusty tomentose beneath, lateral nerves forked. Scales of acorn imbricate. It is found at an altitude of 2100-3500m above all oaks. |
| Flowers and Fruits | April – May |
| Distribution | It is commonly found in temperate and sub-alpine forests, in Tirthan and Sainj valley |