Echinochloa colona
Poaceae

Main specimen
Habit
Echinochloa colona is an annual herb with stems rising prostrate up to 1 m long.
Stem Bark
The culms of Echinochloa colona are erect or ascending.
They are growing between 40 to 90 cm tall.
The nodes are glabrous.

Echinochloa colona glabrous node

Echinochloa colona glabrous node

Echinochloa colona roots and plant base

Echinochloa colona culm

Echinochloa colona striated culm with leaf base
Leaf
The leaves of Echinochloa colona are lanceolate in shape.
They are 4 to 30 cm long and 0.4 to 0.8 cm wide.
The leaves are glabrous and there is no ligule.
The sheaths are occasionally marked with purple bars.

Echinochloa colona leaf blade

Echinochloa colona leaves and node

Echinochloa colona leaf base (front side)

Echinochloa colona leaf base (back side)

Echinochloa colona leaf apex

Echinochloa colona leaf nervation and margin

Echinochloa colona leaves

Echinochloa colona leaves

Echinochloa colona leaf blade (lower side) with pronounced midrib

Echinochloa colona leaf blade (upper side)
Flower
The inflorescences of Echinochloa colona are growing in linear racemes. They are up to 10 cm long.
The racemes are 1.5 to 2 cm long, they are appressed from the rachis to half of their length.
The spikelets are ovoid-ellipsoid in shape. They occur in pairs, or clustered at each node.
The spikelets are up to 2 mm.
The glumes have 5 nerves and they are unequal.
The lower glume is broadly ovate, 1 mm and densely hispidulous.
The upper glume is ovate, 2 mm.
The lower lemma is up to 0.2 cm, acute to cuspidate.
The upper lemma is crustaceous, up to 2 mm.

Echinochloa colona raceme

Echinochloa colona florets cluster with dark purple pistils

Echinochloa colona racme with specific florets arrangement in spiral around the central axis

Echinochloa colona floret arrangement on the spikelet

Echinochloa colona raceme

Echinochloa colona floret with dark purple pistils and dark purple anthers

Echinochloa colona florets with dark purple pistils and dark purple anthers

Echinochloa colona florets spiralling around the central axis
Fruit
The fruit of Echinochloa colona is a caryopis.
Seed
The fruit of Echinochloa colona is a caryopis.
Human Uses
In India the seeds of Echinochloa colonum are used to prepare a food dish called khichadi, and are consumed during festival fasting days.
It is also used as a fodder grass for livestock.
Distribution
Echinochloa colonum is growing from the coastal plains to the hills.
It is found in wet fields and disturbed areas.
Source
Information on this page is sourced from: