Echinochloa colona

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Photographs by: Dr. Maulik Gadani

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  • Botanical Name : Echinochloa colona (L.) Link
  • Echinochloa is derived from echinus meaning hedge-hog and chloa means grass. Colonusrefers to a cultivator of the ground, colonist.

  • Synonyms : Panicum colonum L.
  • Common Name : Samo, Jiriu, Motu Jiriu
  • Plant Family : Poaceae (Gramineae)
  • According to the Rules of ICBN the names of the families should end in -aceae. Thus the new name for the family Gramineae became Poaceae. However, the name Gramineae is also exempted and conserved under 'NominaConservanda' because of their constant use for a long time.

  • Plant Form : Grasses
  • Occurrence (Sectors) : 4, 15, 22
  • Occurrence (Special Areas) : Gujarat Forestry Research Foundation, Indroda Park, Punit Van, Sarita Udyan, Van Chetana Kendra

About Echinochloa colona Plant :

  • Habit : An annual with stem 30-60 cm long, slender, decumbent or shortly creeping below; nodes glabrous or puberulous.
  • Leaves : Narrowly lanceolate or linear, acuminate, flat, glabrous with scaberulous margins; sheaths up to 15 cm long, ligule 0.
  • Inflorescence : Spikes 8-20 suberect usually distant; rachis stout, angular, scaberulous on the angles.
  • Flowers :
    • Spikelets globosely ovoid, acute or subcuspidate, more or less hispidly pubescent, second, sessile, 3-5 seriate.
    • Glumes 4, lower involucral glume about half as long as the lower floral glume, broadly ovate or sub-orbicular, membranous, 3-nerved, ciliolate, upper involucral glume about equal to the lower floral glume, broadly ovate, cuspidate, concave, 5-7 nerved, hairy; lower floral glume similar, empty with a hyaline palea; upper floral glume coriaceous, broadly ovate, turgid, acute, finely striolate, polished, yellowish-white with a coriaceous palea.
  • Flowering and Fruiting Time : October
  • Significance :
    • It is valued as a quick-growing fodder grass. It is relished by cattle at all stages and its nutritive value is enhanced when in grain.
    • The grains of this grass are eaten by poor people in times of scarcity.