Boro shialmuti or Siam weed, Chromolaena odorata

-

Boro shialmuti or Siam weed (Chromolaena odorata, family: Asteraceae) is a fast growing and highly reproductive perennial herb with many branches. In suitable condition, it can grow up to 10 m. Branches are hairy and glandular, stem woody. It grows in fallow land, in jungle and on the side of roads. It is regarded as an invasive plant round the globe. It has been said that, in Bangladesh, it escaped from the botanical gardens of Dhaka in the 19th centuary. It is originated in Americas, from USA to South America. 

Leaves are green, triangular-ovate, 3-10 cm long, 2-5 cm wide, deeply dented with pointed end, opposite. The leaves give off a pungent scent when crushed.

Bunch of flowers bloom in the shape of head. Flowers are small and light violet.  

Fruits are round. Seeds are achenes, hairy. Propagation of the plant is caused by seeds. The seeds usually float in the air and travel long distances. However, it can go to different places through the body of  animals and human.

Its leaves and flowers are used in the treatment of influenza, cough, fever, diabetes and bronchitis. Homoepathic medicines to cure pain and dengue fever have been prepared from it.

Comments

  1. James AnthonyJune 2, 2021 at 12:51 AM

    Thanks for sharing this informative article. Before you start panicking, rest assured that today there are many tools like weed killer available that can deal with your weed problem.

    ReplyDelete
  2. Jimmy CarterDecember 26, 2021 at 9:29 PM

    This article provided me with a wealth of information. The article is incredibly helpful and offers some of the most useful information. Thank you for sharing it with us. Electric Weed Killer Sprayer

    ReplyDelete

Post a Comment

Week Star

Makal or Mahakal, Trichosanthes tricuspidata

-
Image
Makal or Mahakal ( Trichosanthes tricuspidata , family: Cucurbitaceae) is a woody climber with tendril and branches, attaining a height of 10-12 m. The multiangular-branched plant climbs up very far by holding any tree in the forest. It is found in the hilly areas as well as plain forests and village thickets in Bangladesh. It is also found in Indian subcontinent, Australia and some countries of South and Southeast Asia.  According to ancient Sanskrit scriptures the other names of the plant are Bishala, Mohendro-baruni.  In the Himalayas it has been seen at an altitude of 5000 feet. There are many refferences to the fruit in Bangla and Sanskrit literature. Someone is very nice to look at but he/she is useless--writers usually jokingly give examples of this fruit. Its roots and attractive fruits are packed with medicinal properties.  The size and shape of leaves may vary. These are multilobed or trilobed, alternate, rough in both sides, 5-12 cm long, petioled, cor
Read more

Shachi or Sessile joyweed, Alternanthera sessilis

-
Image
Shachi or Sessile joyweed ( Alternanthera sessilis , family: Amaranthaceae) is a creeping sub-aquatic herb with many branches, attaining a height of 10-35 cm. The branches are formed in pairs from the nodes of the stems. Sometimes it lies on the ground by forming roots from the stem axil.  Other names:  Chanchi, Phul heicha, Haiccha, Shati shak.  Stem is glabrous and usally green but sometimes reddish. Young shoots are minutely hairy. The plant grows near water bodies, in fallow lands, on roadside, even on old wall. It is found everwhere in Bangladesh. It is also found in tropical and sub-tropical regions of the world. Leaves are green, sessile, elliptic-oblanceolate, opposite, 5-6 cm long and 2.5-3.5 cm wide, undulated and dented irregularly, tip rounded.  The inflorescence, round in shape and white in color arises from the leaf axil. These are much like Maloncho (Alligator weed) . Florets are sessile, petals 5. It blooms almost round the year. F
Read more

Kulekhara or Talmakhna, Hygrophila auriculata

-
Image
Kulekhara or Talmakhna ( Hygrophila auriculata , family: Acanthaceae) is a stout and erect herb with straight and undivided stem. The spiny plant is very popular as a medicinal plant in Bangladesh as well as the Indian subcontinent. Other names: Kulekkha, Kuiley-rekha,  Kanta kalika, Shoolmordon. Leaves are lanceolate, subsessile, acute at both ends with long whitish hairs, dense with straight and stout thorns that grow from each node. Outer leaves are longer than the inner ones. Both leaves and thorns remain in upward direction.   Flowers in axillary whorls. They are bright violet or bluish purple and red, sometimes whitish with soft and minor hair, corolla 2-lipped. Flower blooms in the winter. Fruit a capsule, 4-8-seeded. Seeds are ovoid (not in the pic). The body of the plant contains alkaloids, phytosterols, stigmasterol, lupeol and essential oils. Its seeds contain oil, enzymes and sterols. The plant is cooling and diuretic in cases of h
Read more