Home > News > โครงการพัฒนา “ศูนย์เรียนรู้ และอนุรักษ์พันธุ์พืชสมุนไพรไทยสวนสุนันทา” > Yanang

ผู้ดูแลเว็บ วิทยาเขตสมุทรสงคราม
2024-03-03 11:20:05


Local name: Tao Wan Khiang (Central Region)/ Joy Nang (Chiang Mai)/ Yad Nang (Surat Thani)

Scientific name: Tiliacora triandra Diels.

Genus Tiliacora

triandra species


Plant group


Botanical characteristics

The trunk is a vine wrapped around other trees. The vines are tough, round, and the young vines are green. When old it is brown.

The leaves are single, arranged alternately, oval-lanceolate, 2-4 cm wide, 5-12 cm long. The leaf base is rounded with a pointed tip. The leaf margins are smooth, the leaf blades are smooth and dark green. The leaf texture is quite tough. The petiole is 1 cm long.

Flowers emerge in clusters along the joints and leaf axils. Each cluster has 10-20 flowers. The small flowers are yellow and the calyx has 6 petals.

The fruit is spherical and has a size of 0.7 cm. The fresh fruit is green. Ripe fruit is red. The seeds look almost horse-shaped.

Ecological conditions


ecological conditions

Found in forests that are clay soil, decayed rocks, limestone at lower levels, mixed forests, sparse forests to high evergreen forests. At an altitude of 1,300 m above sea level.

Place of origin

Central part of Southeast Asia


India, Burma, countries in the Indochina region, and Malaysia.

Planting and propagation

Propagated by seed. and grafting

Flowering period


Utilization type


The dried roots have a bland and bitter taste and are prepared as a decoction to cure fever. It is a poisonous repellant. Antidote to boredom and intoxication It is often used together with arrowroot root, Chumphon fig, Khontha root, and Qingchi root. It also cures drunkenness and the manifestation of poison.

The vine has a bland and bitter taste, eaten to cure fever, typhoid fever, poison fever, lethargy, scarlet fever, smallpox, and to cure a stiff tongue.

The leaves are an antidote for typhoid fever, typhus, fever, headache, chickenpox, measles, and as a throat swab.

Source: https://www.royalparkrajapruek.org/Plants