Weed Science & Agronomy
INRA-Dijon
|
Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : digis
Synonym(s) of Sc. name: Digitaria filiformis auct; non (L.) Koeler, Panicum lineare auct; non L.
Classification: Gramineae, Monocotyledonous
Common name: smooth finger-grass
Synonym(s) of Common name:
Name per country: DE : Kahle Fingerhirse ; ES : pajon ; FR : digitaire ischème ; IT : sanguinella sottile ; PT : ; EN : smooth finger-grass ; NL : glad vingergras ;
Biological type: Annual
.
- Shoot rolled, leaf sheath terete.
- Leaf blade 2-5 times longer than broad, leaf more or less hairy.
- Ligule membranous toothed, auricles absent.
- Height: 10-50cm. Plant tufted, glabrous.
- Culm erect or prostrate-spreading.
- Leaves green to red-purple, glabrous, short, 2-5 mm broad. Second and third leaves sparcely hairy.
- Inflorescence digitate, 2-4 spike -like racemes, distant on a rachis up to 4 cm long. Spikelets 2 mm, in pairs with a sterile herbaceous floret and a fertile one surrounded by 2 stiff flowering-glumes.
- Fruits : caryopsis enclosed in the 2 flowering-glumes.
- Risk of confusion with Digitaria sanguinalis (L.) Scop.
- Biological type: Annual.
Mistake with: Digitaria sanguinalis
Ecological profile (click on flags):
Present
Present
Present
Present
Rare
