Leucas dhofarensis, commonly known as Dhofari thumba, is a herbaceous plant native to the Dhofar region of Oman. This species belongs to the Lamiaceae family, which includes many aromatic herbs. Its significance lies in its endemic status to a specific geographical area, highlighting the unique biodiversity of the Dhofar mountains. Physically, Leucas dhofarensis is a low-growing, spreading herb. It typically reaches a height of around 30 to 60 centimeters. The stems are quadrangular, a characteristic feature of the Lamiaceae family. The leaves are arranged oppositely along the stem, are simple, and have a lanceolate to ovate shape, measuring approximately 3 to 7 centimeters in length and 1 to 3 centimeters in width. The leaf margins are usually serrated or crenate. The plant produces inflorescences in the form of whorls of flowers clustered in the leaf axils, particularly towards the upper parts of the stem. The flowers are small, tubular, and typically white, with a distinctive bilabiate (two-lipped) corolla characteristic of the genus Leucas. The calyx is persistent and often hairy. Following flowering, the plant develops small, ovoid fruits, which are schizocarps that split into four nutlets. The seeds are minute and are dispersed by wind or animals. The native distribution of Leucas dhofarensis is restricted to the coastal mountains of the Dhofar governorate in southern Oman. It thrives in its natural habitat, which typically consists of rocky slopes, wadis, and open scrubland, often at elevations between 500 and 1000 meters. This plant prefers well-drained soils and can tolerate arid conditions, often growing in association with other drought-resistant vegetation. Cultivation requirements outside its native range are not widely documented, but based on its natural habitat, it would likely require a sunny position, well-draining soil, and minimal watering once established. While specific documented uses for Leucas dhofarensis are limited in readily accessible scientific literature, plants within the Leucas genus are known for their traditional medicinal applications in various cultures. Some species of Leucas have been historically used for their anti-inflammatory, analgesic, and wound-healing properties. However, any such uses for Leucas dhofarensis specifically would require rigorous scientific validation. Its ornamental value is not widely recognized, and it is primarily of botanical interest due to its restricted distribution. An interesting characteristic of Leucas dhofarensis, shared with many other members of the Lamiaceae family, is its potential for aromatic properties, though this is not extensively studied for this particular species. The plant's adaptation to the semi-arid environment of Dhofar, with its ability to survive on limited water resources and in rocky terrain, is a testament to its resilience. Its restricted range makes it a valuable component of the unique flora of the Arabian Peninsula, contributing to the region's botanical diversity.