Scientific name: Linum usitatissimum L.

Bangla/Local Name: ‘Tisi’, ‘Masina’

Taxonomic Position According to Cronquist

Kingdom : Plantae
Phylum : Magnoliophyta
Class : Magnoliopsida
Subclass : Rosidae
Order : Euphorbiales
Family : Linaceae
Genus : Linnum
Species : usitatissimum

Botanical Description of Linseed

Habit: Annual herb

Stem: Erect, glabrous, 60-120 cm height, branches ascending towards the apex.

Leaf: Alternate, simple, narrow, linear-lanceolate, exstipulate

Inflorescence: Scorpiod cyme

Flower: Regular, hermaphrodite, hypoynous

Calyx: Sepal 5, persistent, aestivation quincuncial

Corolla: Petal 5, polypetalous,

Androecium: Stamen 10 arranged in two whorls

Gynoecium: Carpel 5, syncarpous, ovary superior

Fruit: Capsule

Seed: Flat, shining

Chromosome number: 2n= 30

Economic Importance

Seeds produce edible oil, which has some medicinal values, the oilcake is used as cattle feed. Fiber is also produced from the stem, used for cloth, ropes etc.