Bidens Pilosa: A Comprehensive Guide

Introduction

Bidens pilosa, commonly known as hairy beggarticks, is an annual herbaceous plant native to tropical and subtropical regions of the world.

It is characterized by its distinctive seed heads that have two sharp barbed awns which enable them to attach themselves to clothing, animal fur, or other objects. Bidens pilosa is widely distributed and can be found in various habitats, including roadsides, fields, gardens, and disturbed areas.

Description

Bidens pilosa is a small annual herb that typically grows to a height of 30-90 cm.

It has a slender, erect stem with alternate, pinnately lobed leaves. The leaves have a dark green color and are coarsely toothed. The flowers are small, yellow, and arranged in heads. The fruit is a small, black achene with two sharp barbed awns.

Distribution

Bidens pilosa is a cosmopolitan species and can be found in tropical and subtropical regions around the world.

It is native to the Americas, Africa, and Asia, but has also been introduced to other parts of the world, including Europe and Australia. The plant is commonly found in disturbed areas, such as roadsides, fields, and gardens.

Uses

Bidens pilosa has various medicinal and culinary uses in different cultures.

The leaves and stems are sometimes used as a tea or decoction for treating various ailments, such as fever, diarrhea, and skin conditions. In some regions, the leaves are also used as a food source, either cooked or raw.

Ecology

Bidens pilosa is an important food source for various insects and birds.

The flowers attract pollinators, such as bees and butterflies, while the seeds are eaten by birds and small mammals. The plant also provides habitat for small animals, such as lizards and frogs.