BugwoodWiki Article

jointed goatgrass
Aegilops cylindrica Host

Overview

Appearance
Aegilops cylindrica is a winter annual that can reach 4 ft. (1.2 m) in height.
Foliage
The leaves are alternate, up to 0.5 in. (1.2 cm) wide with thin hairs along the margins, sheath openings and auricles. The ligule is short and membranous.
Flowers
Flowering occurs in May to June, when the plants produce red (when mature) or straw-colored spikes. Spikes are cylindrical and contain 2-12 spikelets per spike.
Fruit
The spikelets are awned with the longest awns at the top of the spike. At maturity the seed heads break into individual segments.
Ecological Threat
Aegilops cylindrica is native to southern Europe and western Asia. This species is known to hybridize with wheat.

Resources

Selected Images


1149026
1149026

jointed goatgrass
Aegilops cylindrica
Plant(s)
USDA APHIS PPQ Archive
1149027
1149027

jointed goatgrass
Aegilops cylindrica
Feature(s)
USDA APHIS PPQ Archive
1459178
1459178

jointed goatgrass
Aegilops cylindrica
Foliage
Steve Dewey
1459179
1459179

jointed goatgrass
Aegilops cylindrica
Feature(s)
Steve Dewey
1459184
1459184

jointed goatgrass
Aegilops cylindrica
Flower(s)
Steve Dewey
1459185
1459185

jointed goatgrass
Aegilops cylindrica
Seedling(s)
Steve Dewey
1624071
1624071

jointed goatgrass
Aegilops cylindrica
Seed(s)
Phil Westra
1624074
1624074

jointed goatgrass
Aegilops cylindrica
Infestation
Phil Westra
5306050
5306050

jointed goatgrass
Aegilops cylindrica
Plant(s)
USDA PLANTS Database
5306051
5306051

jointed goatgrass
Aegilops cylindrica
Seed(s)
Steve Hurst

Maps


EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org

EDDMapS Distribution

State Regulated List - This map identifies those states that list this species on their regulated list. For more information, visit Invasive.org

State Regulated List

Most Troublesome / Most Common Agricultural Weed List
This map identifies those states that consider this species either most troublesome or most common in at least one commodity. For more information, visit the MTMC project page.

State Regulated List
Legend
   No Data for this state
   Troublesome or Common weed in one or more crops

Taxonomic Rank

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Liliopsida
Subclass: Commelinidae
Order: Cyperales
Family: Poaceae
Genus: Aegilops

Other System Links

Plants: AECY
Bayer: AEGCY
GRIN: 1531
ITIS: 182536
NPDN Pest: PCAABBA

Synonyms and Other Names

Other Common Names:
jointgrass

Related Scientific Names:

Aegilops cylindrica rubiginosa Merr(Synonym)
Cylindropyrum cylindricum Merr(Synonym)
Triticum cylindricum Merr(Synonym)

Categories

Category: Grass or Grasslike