Eragrostis cilianensis (All.) Lut. ex Janchen

stinking lovegrass

Copyright: various copyright holders. To reuse an image, please click it to see who you will need to contact.

New England Distribution

Adapted from BONAP data

Found this plant? Take a photo and post a sighting.

North America Distribution

Adapted from BONAP data

enlarge

Facts About

Stinking lovegrass is an exotic, annual grass found throughout New England on roadsides, cultivated areas and railways. Originally introduced from Europe, it now happily inhabits most of North America. It gets its common name from the smell of the young plants. It produces panicles of spikes with tightly packed florets, giving it a bulkier look than most other lovegrasses.

Habitat

Anthropogenic (man-made or disturbed habitats)

Characteristics

Habitat
terrestrial
New England state
  • Connecticut
  • Maine
  • Massachusetts
  • New Hampshire
  • Rhode Island
  • Vermont
Leaf blade width
1–10 mm
Inflorescence branches
the flowers are attached to branches rather than to the main axis of the inflorescence
Spikelet length
6–20 mm
Glume relative length
neither glume is quite as long as all of the florets
Awn on glume
the glume has no awn
One or more florets
there is more than one floret per spikelet
Lemma awn length
0 mm
Leaf sheath hair type
  • there are hairs on the surface of the leaf sheath, but the hairs do not have blisters at their bases
  • there are no hairs on the surface of the leaf sheath
Leaf ligule length
0.4–0.8 mm
Anther length
0.2–0.5 mm
Show All Characteristics
  • Flowers
    Anther length
    0.2–0.5 mm
    Anther number
    3
    Awn on glume
    the glume has no awn
    Floret lower bract texture
    the lemma is thin and flexible
    Floret types within spikelet
    all the florets within a spikelet are similar
    Glume relative length
    neither glume is quite as long as all of the florets
    Glume veins
    1
    Inflorescence arrangement
    the spikelets are uniform
    Inflorescence axis orientation
    • the inflorescence axis is arched or curved outward
    • the inflorescence axis is straight
    Inflorescence branches
    the flowers are attached to branches rather than to the main axis of the inflorescence
    Inflorescence length
    60–200 mm
    Inflorescence type (general)
    the spikelets are borne on stalks or on branches
    Inflorescence type (specific)
    the inflorescence is branched, and the branches do NOT both grow from the same side of the plant AND look like spikes
    Lemma awn base
    NA
    Lemma awn length
    0 mm
    Lemma awn number
    the lemma has no awn
    Lemma base hairs
    the lemma is hairless or feels just a tiny bit rough at the base
    Lemma cross-section
    the lemma is V-shaped if you cut across the midpoint
    Lemma marginal vein hairs
    the marginal vein of the lemma is hairless
    Lemma surface
    • the surface of the lemma is covered with small wart-like projections
    • the surface of the lemma is relatively smooth (not counting any longitudinal veins or hairs)
    Lemma tip
    the lemma tip is a simple point, with or without an awn (long narrow extension ending in a point)
    Lemma vein number
    3
    One or more florets
    there is more than one floret per spikelet
    Palea relative length
    palea is one half to fully as long as lemma
    Spikelet axis tip
    there is no extension of the spikelet axis beyond the tip of the spikelet
    Spikelet length
    6–20 mm
    Spikelets spiny
    the spikelets do not appear spiny
    Upper glume shape
    the upper glume is widest at or below the middle
  • Leaves
    Leaf auricles
    the leaves do not have auricles
    Leaf blade width
    1–10 mm
    Leaf ligule length
    0.4–0.8 mm
    Leaf ligule type
    • the leaf ligule is in the form of a membrane with fine hairs
    • the leaf ligule is in the form of fine hairs
    Leaf margin glands
    the leaf blade has glands along the edges
    Leaf sheath closed around stem
    the margins of the leaf sheath are overlapping and not fused together except in the basal half (or less)
    Leaf sheath hair type
    • there are hairs on the surface of the leaf sheath, but the hairs do not have blisters at their bases
    • there are no hairs on the surface of the leaf sheath
    Leaf sheath hairs
    • there are hairs on the surface of the leaf sheath
    • there are no hairs on the surface of the leaf sheath
  • Place
    Habitat
    terrestrial
    New England state
    • Connecticut
    • Maine
    • Massachusetts
    • New Hampshire
    • Rhode Island
    • Vermont
    Specific habitat
    man-made or disturbed habitats
  • Stem, shoot, branch
    Roots at lower stem nodes
    no
    Stem orientation
    the stems are upright
    Stem spacing
    the stems grow close together in compact clusters or tufts

Wetland Status

Usually occurs in non-wetlands, but occasionally in wetlands. (Wetland indicator code: FACU)

New England Distribution and Conservation Status

Distribution

Connecticut
present
Maine
present
Massachusetts
present
New Hampshire
present
Rhode Island
present
Vermont
present

Conservation Status

Exact status definitions can vary from state to state. For details, please check with your state.

Massachusetts
not applicable (S-rank: SNA)

Native to North America?

No

Sometimes Confused With

Eragrostis minor:
lemmas 1.5-2 mm long, usually lacking glandular pits along the keel, and spikelets with usually 7-12 florets (vs. E. cilianensis, with lemmas 2-2.8 mm long, with 1-3 glandular pits along the keel, and spikelets with 10-40 florets).

Synonyms

  • Eragrostis major Host
  • Eragrostis megastachya (Koel.) Link
  • Poa cilianensis All.

Family

Poaceae

Genus

Eragrostis

Need Help?

Get Help

Information from Dichotomous Key of Flora Novae Angliae

2.  Eragrostis cilianensis (All.) Lut. ex Janchen E

stinking lovegrass. Eragrostis major Host; E. megastachya (Koel.) Link; Poa cilianensis All. 
• CT, MA, ME, NH, RI, VT. Roadsides, areas of cultivation, railroads, disturbed soil.