Ramtilla/Niger

Ramtilla/Niger

Scientific name: Guizotia abyssinica Cass.

Bangla/local name: ‘Guzi Teel’

 

 

 

 

 

 

 


Taxonomic Position according to Cronquist (1981)

Kingdom        : Plantae

Division          : Magnoliophyta

Class               : Magnoliopsida

Subclass          : Asteridae

Order              : Asterales

Family             : Asterceae

Genus              : Guizotia

Species            : G. abyssinica

Botanical Description of Ramtilla

Habit: Annual herb, pubescent

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Root: Tap roots.

Stem: Erect or prostate

Leaf: Simple sessile

Flower: Inflorescence head or capitulate

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Involucre bract: The head or capitulum are surrounded by a whorl of bracts called the involecre thus producing a flower cluster resembling a single flower.

Fruit: Cypsela

niger seeds

 

Chromosome: 2n=30

Economic Importance: Edible oil, used as cosmetic also.

Table 1. Niger Variety Developed by Oil Seed Research Center, BARI, Joydebpur, Bangladesh

Sl. No. Name of Variety Developed by Year of Release Growing Season Yield
1 Sova Oil Seed Research Center 1988 Rabi 1.05-1.15 t/ha

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