Cyperus difformis

• Botanical Name : Cyperus difformis L.
• Synonyms : Cyperus oryzetorum Steud.
• Common Name : Variable Flatsedge, One-Arm Sedge, Rice Sedge, Small-Flower Umbrella Plant, Small-Flower Umbrella Sedge
• Plant Family : Cyperaceae
• Plant Form : Sedges
• Occurrence (Special Areas) : Indroda Park, Sarita Udyan

About Cyperus difformis Plant :

• Habit : A glabrous annual sedge with root fibrous and stems tufted, weak, triquetrous towards the top.
• Leaves : Few, usually shorter than the stem, linear, acuminate, obscurely nerved.
• Inflorescence and Flowers :
  • Spikes in a simple or compound umbel or contracted into a head.
  • Spikelets many in dense heads, dusky or brown, oblong, obtuse, 10-30 flowered.
  • Glumes closely imbricate, obovate-oblong, obtuse, concave, 3-nerved.
  • Stamen 1.
  • Style much shorter than the nut.
  • Stigmas 3, linear, short.
• Fruit : Nut ellipsoid, obtusely trigonous, rounded and apiculate at the apex.
• Flowering and Fruiting Time : August - October