Viola keiskei, commonly known as the short-hair violet, is a species of flowering plant in the violet family, Violaceae. This perennial herb is recognized for its delicate beauty and its role within its native ecosystems. As a member of the extensive *Viola* genus, it shares characteristics with many other violets but possesses distinct features that identify it as a unique species. The growth habit of *Viola keiskei* is typically low-growing and spreading, forming small clumps or mats. It generally reaches a modest height, often not exceeding 15 centimeters. The leaves are a prominent feature, typically ovate to broadly ovate or reniform, with crenate or serrated margins. They are usually borne on slender petioles, arising from a short rhizome. The surface of the leaves and petioles may be sparsely to moderately covered with fine hairs, which gives rise to its common name. The flowers are borne on slender pedicels that often rise above the foliage. They are typically violet-blue to purple, with the characteristic five-petaled structure of violets. The lower petal often has darker veining, and the two lateral petals may be bearded. The fruit is a capsule, which, upon maturity, splits to release small seeds. *Viola keiskei* is native to East Asia, with its natural distribution encompassing parts of Japan and Korea. It thrives in moist, shaded environments, often found in woodlands, forest margins, and along stream banks. The soil preference is for humus-rich, well-drained substrates. While it is adapted to specific natural conditions, it can also be cultivated in suitable garden settings. In cultivation, it prefers partial shade to full shade and consistently moist, fertile soil. Protection from harsh afternoon sun and strong winds is beneficial for optimal growth and flowering. The ecological role of *Viola keiskei* is primarily as a component of the understory flora in its native habitats, contributing to ground cover and providing a food source for certain insects. Its flowers are pollinated by insects, and its seeds are dispersed by various means, including gravity and potentially ants. Ornamentally, the short-hair violet is appreciated for its charming flowers and attractive foliage, adding a touch of subtle color and texture to shaded garden areas, rock gardens, or woodland plantings. While not widely recognized for significant medicinal, culinary, or economic uses, its primary importance lies in its botanical interest and its contribution to biodiversity. An interesting characteristic of many violets, including *Viola keiskei*, is their ability to produce cleistogamous flowers. These are self-pollinating flowers that remain closed, ensuring seed production even when pollinators are scarce. This adaptation contributes to the species' reproductive success. The fine hairs on the plant's vegetative parts are a key diagnostic feature, distinguishing it from closely related species that may have glabrous or densely pubescent stems and leaves. The specific arrangement and density of these hairs are important taxonomic indicators for botanists.