Weed Science & Agronomy
INRA-Dijon
|
Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : echor
Synonym(s) of Sc. name: Echinochloa hostii (Bieb) Boros, Panicum oryzoides Ard. Echinochloa crus-galli var. oryzoides (Vasing) Ohwi
Classification: Gramineae, Monocotyledonous
Common name: rice cockspur
Synonym(s) of Common name:
Name per country: DE : Reisartige Hühnerhirse ; ES : equinocloa del arroz ; FR : panic faux-riz ; IT : giavone maggiore ; PT : milhã-do-arroz ; EN : rice cockspur ;
Biological type: Annual
- Leaves : usually pubescent ; margin scabrous ; marked central vein, sheath carinate.
- Height : 80-150 cm.
- Culm: erect, compressed, geniculate at base, glabrous ; lower nodes pubescent for a crown of dense, short and reddened hairs.
- Leaves : without ligule and auricles ; blade 10-40x1-2 cm, linear ; sheath and blade glabrous or slighty pubescent (mainly at the base).
- Inflorescence : many racemes arranged along an erect or scarcely curved axis reddish at maturation; spikelets 3.8-6.5 mm arranged in 2 unilateral rows, 2-flowered, the lower sterile or male, the upper hermaphrodite ; lower glume 3.5 mm, about 1/2 as long as the sterile lemma which is awned (awn 4-5 mm) or mucronate.
- Fruit : big, elliptic caryopsis, bigger than other Echinochloa species.
- Risk of confusion with: other species of the same genus.
- Biological type : annual.
Mistake with: Echinochloa
Ecological profile (click on flags):
Present
Present
Present
Present
