Flax have been domesticated just once from the wild species "Linum bienne", called pale flax. Several other species in the genus "Linum" are similar in appearance to "L. usitatissimum", cultivated flax, including some that have similar blue flowers, and others with white, yellow, or red flowers. Some of these are perennial plants, unlike "L. usitatissimum", which is an annual plant. Cultivated flax plants grow to tall, with slender stems. The leaves are glaucous green, slender lanceolate, 20–40 mm long, and 3 mm broad. The flowers are pure pale blue, 15–25 mm in diameter, with five petals. The fruit is a round,
Flax fulturai Flax fulturai Flax fulturai is a moth of the Micronoctuidae family. It is found on the Solomon Islands (Guadalcanal). The wingspan is about 10 mm. The labial palps, head, patagia, basal part of tegulae and thorax are black brown. The forewings (including fringes) are beige, with dark-brown subterminal and terminal areas. The base of costa and the medial area are also dark-brown. There is a black dot in the inner lower area. The crosslines are beige. The terminal line is indicated by dark-brown interveinal dots. The hindwings are light grey. The underside of the forewings is unicolourous brown and the