Spanish-flag
Ipomoea lobata Thell.

Ipomoea lobata, commonly known as Spanish-flag, is an annual twining herb native to regions in the Americas and parts of Asia and Africa. It is a member of the Convolvulaceae family, which includes morning glories and sweet potatoes. The plant is characterized by its showy, tubular flowers and is often cultivated for ornamental purposes due to its vibrant coloration. Its distribution spans across several countries, including Brazil, India, China, and various African and Central American nations.
Description
Ipomoea lobata is an annual herb that typically exhibits a twining growth habit. The stems are generally hairless. The leaves are petiolate, with a size range of 3–12 cm in length and 2.5–10 cm in width. They are usually ovate or three-lobed, with a cordate base and rounded auricles. The apex is short acuminate and obtuse with a small mucro. The leaves are nearly hairless, though some may have fine hairs along the veins on the underside. The petioles measure 2–5 cm in length. The inflorescence consists of long-pedunculate axillary cymes that resemble an elongated, bifurcated, one-sided raceme. The peduncles range from 5 to 30 cm in length, and the rhachis above the branching point is 2–12 cm long. The bracteoles are small, linear-lanceolate, and moderately persistent. The pedicels are slender, 2–6 mm long, and longer at the base. The sepals are dissimilar, with the outer ones being oblong-ovate and the inner ones elliptic, both with terminal awns. The corolla is tubular, curved, and suburceolate, measuring 1.8–2.5 cm in length, and is colored yellow, red, or orange. The limb is composed of five small, tooth-like lobes. The stamens are strongly exserted, and the style is also exserted. The fruit is a subglobose capsule, 7 mm in diameter and hairless, containing seeds that are 4 mm long and pubescent with patches of hair.
Habitat
Ipomoea lobata is typically found in tropical and subtropical regions, thriving in a variety of habitats such as open fields, disturbed areas, and along roadsides. It is well adapted to warm climates and can tolerate a range of soil types, though it prefers well-drained soils. The plant is native to Mexico and Brazil, but it has been introduced and naturalized in other parts of the world, including parts of Asia and Africa.
Cultivation
Ipomoea lobata is often cultivated for its ornamental value, particularly for its striking flowers that add a splash of color to gardens and landscapes. It is relatively easy to grow and can be propagated from seeds. The plant prefers full sun and well-drained soil. It is a fast-growing species and may require support for its twining stems. Regular watering is beneficial, especially during dry periods, but the plant can tolerate some drought once established. Deadheading spent flowers can encourage continuous blooming throughout the growing season.
Uses
Ipomoea lobata is primarily cultivated as an ornamental plant due to its attractive, showy flowers. It is used in gardens, parks, and as a decorative element in landscaping. The plant's vibrant colors make it a popular choice for adding visual interest to vertical spaces such as trellises and fences. While there is no widespread documentation of its use in traditional medicine or agriculture, it is occasionally studied for its potential in ecological restoration projects due to its ability to colonize disturbed areas.
Other common names
Spanish-flag
Distribution
BR · TZ · IN · Cundinamarca · the Democratic Republic of the Congo · Argentina Northwest · Bangladesh · Bolivia · Brazil North · Brazil Southeast · Brazil South · China Southeast · Colombia · Ethiopia · Guatemala · Honduras · Jawa · Kenya · Madagascar · Malaya · Mexico Central · Mexico Gulf · Mexico Northeast · Mexico Southeast · Mexico Southwest · Myanmar · North Carolina · Tanzania · Venezuela · Zaïre
Synonyms
Quamoclit minaIpomoea versicolorQuamoclit lobataMina lobataQuamoclit pallescensIpomoea minaMina cordataConvolvulus mina