Clitoria

Clitoria ternatea Blanco2.301

Clitoria MS4124

Clitoria (447419053)

Neel Aporajita (Clitoria ternatea) in Shantinagar, Dhaka

Khao tom-dok anchan53

Clitoria is a genus of flowering plants in the Fabaceae family, commonly known as butterfly pea. The genus is native to tropical and subtropical regions of the world, including parts of Asia, Africa, and South America. It is well-known for its strikingly vibrant blue flowers, although the color can vary from white and pink to blue and purple depending on the species. The most widely recognized and cultivated species within this genus is Clitoria ternatea, often used for ornamental purposes as well as in traditional medicine and as a natural dye.

Description

Plants in the Clitoria genus are typically herbaceous or woody climbers. They possess pinnate leaves with leaflets in pairs and solitary, axillary flowers that are distinctive for their shape, which somewhat resembles a human female's clitoris – hence the name. The flowers of Clitoria species are not only notable for their beauty but also for their unique structure, which facilitates a specialized pollination mechanism involving the attraction of specific pollinators.

Uses

Clitoria species, particularly Clitoria ternatea, have various uses. In horticulture, they are prized for their ornamental value, adding a splash of color to gardens. In traditional medicine, different parts of the plant, such as roots, leaves, and flowers, have been used to treat a range of ailments, from general pain and inflammation to specific conditions like asthma and sexual dysfunction. The flowers of Clitoria ternatea are also used to make a herbal tea known for its vivid blue color, which changes to purple when lemon juice is added, due to a natural pH indicator.

Cultivation

Clitoria species are relatively easy to cultivate in tropical and subtropical climates, requiring well-drained soil and a position in full sun or partial shade. They can be propagated from seeds or cuttings. In temperate regions, they are often grown as annuals or in greenhouses to protect them from frost. Regular watering and fertilization are recommended to support their vigorous growth and flowering.

Ecological Role

Beyond their aesthetic and utilitarian value, Clitoria species play an important ecological role. They are nitrogen-fixing plants, which means they can convert atmospheric nitrogen into a form that is usable by plants, thereby enriching the soil. This makes them valuable in improving soil fertility and in sustainable agriculture practices. Furthermore, their flowers attract pollinators, such as bees and butterflies, contributing to the pollination of crops and native plants.

Species

The Clitoria genus comprises several species, including:

• Clitoria fairchildiana
• Clitoria fragrans
• Clitoria guianensis
• Clitoria ternatea – the most widely known and cultivated species

Conservation

While some Clitoria species are widely cultivated and not considered at risk, others may be threatened by habitat destruction and overharvesting. Conservation efforts are necessary to ensure the survival of less common species and to maintain biodiversity.

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