Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : cypdd
Synonym(s) of Sc. name:
Classification: Cyperaceae, Monocotyledonous
Common name: smallflower umbrellaplant (U.S.A.)
Synonym(s) of Common name:
Name per country: DE : Difformis-Zypergras ; ES : tiña ; FR : souchet à petites fleurs ; IT : zigolo delle risaie ; PT : negrinha ; EN : smallflower umbrellaplant (U.S.A.) ;
Biological type: Annual, Perennial
.
- Height : 20-60 cm.
- Stem : usually solitary, erect, trigonous, bare above.
- Leaves : 2-4 mm, short and thin; sheaths and blade glabrous, usually dark; ligules without cilia or hairs; auricles absent.
- Inflorescence : simple or compound umbel of dense capitula, 1-1.5 cm in diam. with 3-8 short or subsessile stalks; spikelets 10-15-flowered, 3-8 cm; glumes greenish often black-veined.
- Fruit : nut pale yellow or yellowish-green.
- Risk of confusion with: Cyperus serotinus Rottb.
- Biological type : annual.
Mistake with: Cyperus serotinus
Ecological profile (click on flags):
Present
Present
Present
Present
