Usakhelouri is a distinctive red grape variety native to Georgia, specifically cultivated in the Lechkhumi region. Here's a detailed description of the Usakhelouri grape variety:

1. **Origin and Distribution**:

- Usakhelouri is primarily found in the Tsageri district of Georgia, particularly in villages like Zubiokureshi. It is also known as Okureshuli in some parts of Ambrolauri and Oni districts.

- Historically, it is believed to have originated from a local family of domesticated grapevine varieties, with its cultivation mainly limited to the Lechkhumi region.

2. **Morphological Characteristics**:

- **Leaves**: The leaves of Usakhelouri are distinguished by their thin web-like covering and regular bright brown incisions on the petioles.

- **Shoots**: The grapevine features relatively long and thick shoots.

- **Clusters**: Usakhelouri typically forms medium-sized clusters.

- **Berries**: The berries are small and uneven in size, ripening with slight variability.

3. **Ecological and Geographical Group**:

- Usakhelouri belongs to the ecological-geographical group of Prol. pontica sub-prol. Georgica Negr. This classification highlights its adaptation to specific environmental conditions in the region.

4. **Cultural and Historical Significance**:

- The grape variety is deeply rooted in Georgian viticulture and is known for its suitability to local climate and soil conditions.

- Its name, derived from the village Usakhelo (situated on the right bank of the river Lakanuri in Lechkhumi), reflects its strong local identity and historical connection.

5. **Cultivation and Spread**:

- Usakhelouri is traditionally cultivated in Lechkhumi, particularly in villages along the Tskhenistskali River in Tsageri.

- Outside Lechkhumi, smaller plantings exist in experimental and collective vineyards across Georgia, including regions like Imereti, Kartli, and Kakheti, primarily for research purposes.

6. **Wine Production**:

- Usakhelouri is prized for producing high-quality wines, including naturally semi-sweet wines and red table wines.

- Its grapes are used to create wines that showcase the region's terroir, often with distinctive flavors and characteristics.

Overall, Usakhelouri stands out not only for its viticultural traits and wine quality but also for its cultural significance within the Lechkhumi region of Georgia.