Bidens Pilosa Morphology

The plant is gathered from the wild for local use as a food and medicine.

Bidens pilosa morphology. Fermented with rice to make sake range. C an irritate the bladder and kidney in high doses. Pilosa is an annual erect and ruderal herb originating from south america and now found in almost all tropical and subtropical region countries. Xuan khanh 2016.

It grows to a height of up to 1 5 m branching from the base and its yellow flowers have 5 15 mm diameter. Kissmann and groth 1993 distinguish bidens subalternans on the basis that it has four awns on the achene but other authors treat this as synonymous with b. Bidens pilosa is eaten in africa as a vegetable. Dubia cass o e schulz.

Morphology an annual herb with long sessile leaves leaves are often hairy. Bidens pilosa l asteraceae is a medicinal plant native of south america that nowadays is disseminated all over the world mainly in tropical and subtropical. It produces large numbers of heteromorphic central and peripheral achenes that differ in morphology with the central being long and the peripheral. Some specimens in the west indies appear to have some achenes with three awns some with only two awns and some with a reduced third awn e g.

Weed is an annual plant originating in south america but is widely distributed in most regions of the world holm et al 1991. A combination of chromatographic. Bidens pilosa is an annual species of herbaceous flowering plant in the daisy family asteraceae its many common names include black jack beggarticks farmer s friends and spanish needle but most commonly referred to as cobblers pegs it is native to the americas but is widely distributed as an introduced species in other regions worldwide including eurasia africa australia south america. Also known as cobbler s pegs farmer s friend and burr marigold is a noxious weed in many ecosystems worldwide across china the plant can be found growing on roadsides and in fields and villages at elevations below 2500 m.

General information bidens pilosa is an annual plant producing an erect much branched stem up to 100cm tall though the plant can often flower seed and then die when much smaller. Heads occur on terminal or axillary in long elongated peduncle from the main stem. The seeds of this plant are widely dispersed by wind and animals so a single plant can produce approximately 5000 seeds that can remain viable for years when. Ex webb berthelot j a schmidt.

Bidens pilosa can be recognized by the elongated bur like fruits that bear recurved or hooked bristles which have played an important role in its spread holm et al 1977. There are 60 native species of bidens in hawai i and 19 of those are endemic.