SafePlants

No images found for this plant ID: 3188.

Ensure images are uploaded to the Media Library and tagged with "3188" in the "plant_image_tag" taxonomy.

Safe for Children?

✅ Safe: 0
❓ Neutral: 0
❌ Unsafe: 0

Safe for Dogs?

✅ Safe: 0
❓ Neutral: 0
❌ Unsafe: 0

Safe for Cats?

✅ Safe: 0
❓ Neutral: 0
❌ Unsafe: 0

Safe for Reptiles?

✅ Safe: 0
❓ Neutral: 0
❌ Unsafe: 0

Arrhenatherum longifolium

Scientific Name: Arrhenatherum longifolium

Family: Poaceae

Category: Monocot

Growth:

Duration:

Other Names:

       

Arrhenatherum longifolium

Arrhenatherum longifolium, also referred to as Oatgrass or Button-grass, is a species of grass. It's worth noting that the name has been subject to taxonomic revisions and has been linked to other genera.

Considerations for Pets

  • The plant has scabridulous stems, meaning they are slightly rough.
  • The leaves can be hairy, adding to the texture.

Taxonomy and Nomenclature

  • Scientific Name: Arrhenatherum longifolium (Thore) Dulac
  • Common Names: Oatgrass, Button-grass
  • Family: Gramineae (implied, not explicitly stated as current classification)
  • Synonyms:
    • Avena longifolia Thore (basionym)
    • Arrhenatherum thorei Des Moul.
    • Pseudarrhenatherum longifolium (Thore) Rouy
  • Botanic Rank: Species

Distribution and Habitat

  • Native to Eurasia.
  • Specific locations mentioned include: France, Spain, Portugal, Iraq, Iran, and Afghanistan.

Morphological Characteristics

  • Perennial caespitose (tufted) habit.
  • Culms (stems) are 50-120 cm long.
  • Culm-nodes are bearded.
  • Leaf-sheaths are pilose (hairy).
  • Ligule is an eciliate membrane (1-2 mm).
  • Leaves are flat, later convolute, 1-4 mm wide, scabrid (slightly rough) above, and hairy to subglabrous beneath.
  • Stems (30-)40-120(-150) cm long, scabridulous above, hairy at the nodes.

Ecological Role

  • Mentioned in the context of dune ecosystems in southwestern France, specifically in Erica ciliaris-Pseudarrhenatherum longifolium (Arrhenatherum thorei) heaths.

Genetic Information

  • Chromosome number reported as 2n = 14 + 0-1 B (in plants from Portugal).

Nomenclature History

  • First described by Jean Thore.
  • The currently accepted name was given by Joseph Dulac.
  • The species was scientifically described by Dulac in 1867.

Further Information

  • Flora Europaea: Database of European Plants (ESFEDS)
  • World Grass database
  • Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service
  • Gramineae data sheet