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Bromus pectinatus

Scientific Name: Bromus pectinatus

Family: Poaceae

Category: Monocot

Growth:

Duration:

Other Names:

       

Bromus pectinatus

Also known as Hawergras and Japanese Brome, Bromus pectinatus is a grass species belonging to the genus Bromus.

Considerations for Pets

This grass is an annual tufted plant, potentially making its seeds accessible to pets in gardens or fields. The leaves are described as hairy, which may cause mild irritation if ingested.

Taxonomy and Nomenclature

  • Scientific Name: Bromus pectinatus Thunb.
  • Family: Poaceae (Grass Family)
  • Subgenus: Bromus
  • Synonyms:
    • Bromus adoensis Steud.
    • Bromus japonicus var. pectinatus (Thunb.) [author unclear from text]
    • Bromus japonicus Thunberg var. pectinatus (Thunberg) Ascherson &amp Graebner
    • B. patulus Mertens &amp W. D. J. Koch var. pectinatus (Thunberg) Stapf
    • Bromus japonicus in sense of Chippind., not of Thunb.

Distribution and Habitat

Bromus pectinatus is found in Africa and Asia. Confusion can occur with similar species like the Australian Bromus arenarius. It is also considered a common Bromus species in Kenya.

Ecological Role

This species is noted as an annual invasive in some contexts. It is also listed among the problematic grass weed species encountered in peasant farmers' wheat fields in Ethiopia and is predicted to be affected by global climate change.

Morphological Characteristics

  • Habit: Annual caespitose (tufted) grass.
  • Culms: Erect, 10-80 cm long.
  • Leaf Sheaths: Pubescent (hairy).
  • Ligule: An eciliate (lacking cilia) membrane, 4-6 mm long, lacerate (irregularly cut or torn).
  • Inflorescence: An open panicle with hanging [spikelets, inferred].
  • Leaves are open and hairy

Quirky Facts

  • The text references the "Bromus pectinatus complex," indicating that its taxonomy has been historically challenging and subject to ongoing research.

Interactions with Other Organisms

Bromus pectinatus can infest barley crops and is mentioned in the context of weed control. It also appears in the presence of other grass and broadleaf weed species, such as Phalaris minor and Lolium temulentum.

Further Information

Further information and resources can be found at:

  • RHS (Royal Horticultural Society)
  • ARKive (Bromus photos and facts)
  • Tropicos
  • The Plant List
  • IPNI (International Plant Names Index)
  • NYBG Virtual Herbarium
  • Dyntaxa - Svensk taxonomisk databas
  • Euro+Med Plantbase
  • Discover Life
  • Naturhistorisches Museum Wien (Natural History Museum Vienna)