oats

Avena sativa · Accepted scientific name

Scientific literature: Very Extensive (1048 studies) · ★★★★★

Oats, scientifically known as Avena sativa, is more than just a dietary staple. Traditionally revered in herbal medicine, this nutrient-dense cereal offers potent soothing properties. Rich in beta-glucans and vitamins, it serves as a therapeutic agent for skin inflammation, digestive health, and supporting overall metabolic wellness through nourishment.

Family
Poaceae
Native range
Europe
Parts used
Leaf
Common names
Cultivated Oats · Naked Oats · 8 more
Scientific synonyms
Avena Sativa Var. Trisperma · Avena Sterilis Subsp. Pseudosativa · 108 more

Names and Synonyms

Common Names

Scientific Names

Accepted name

Avena sativa

Synonyms

Regional and Traditional Names

Spanish:

  • avena
  • avena común
  • avena roja

German:

  • Hafer
  • Echter-Hafer
  • Saat-Hafer
  • Hafer
  • Mittelmeerhafer
  • Saathafer
  • Saat-Hafer

French:

  • avoine cultivée
  • Avoine cultivée
  • avoine
  • avoine
  • avoine cultivée
  • avoine byzantine
  • Avoine cultivee

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, known scientifically as Avena sativa, belongs to the kingdom Plantae and the phylum Streptophyta. It is classified within the class Equisetopsida and the subclass Magnoliidae, falling under the order Poales. Finally, it is a member of the family Poaceae and is identified by the genus Avena.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Poales
Family Poaceae
Genus Avena

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant, known as Avena sativa, exhibits a specific distribution across several regions in Northern Europe. It can be found growing within the borders of Denmark. The species is also established in the territories of Finland and Great Britain. Additionally, its presence extends to the island nation of Iceland. Finally, this medicinal plant is widely distributed throughout Norway.

Region Area
Northern Europe Denmark
Northern Europe Finland
Northern Europe Great Britain
Northern Europe Iceland
Northern Europe Norway
Northern Europe Sweden
Middle Europe Austria
Middle Europe Belgium
Middle Europe Czechia-Slovakia
Middle Europe Germany

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Avena sativa is characterized by its ability to inhabit a broad altitudinal spectrum, ranging from sea level (0 m AMSL) up to elevations of 3000 m AMSL. It is frequently found in anthropogenic areas (Área Antrópica) and open field environments (Campo Limpo), where it thrives in disturbed or managed landscapes.

Elevational range max:
3000 m AMSL
Elevational range min:
0 m AMSL
Habitat :
Área Antrópica, Campo Limpo

Life history

The life history of Avena sativa is characterized by its classification as an annual plant, meaning it completes its entire developmental cycle—from germination to seed production—within a single growing season. In terms of its botanical life form, the species is categorized as a therophyte, a strategy where the plant survives unfavorable environmental conditions primarily through highly resilient seeds rather than persistent vegetative structures. This therophytic nature allows it to rapidly colonize available niches, utilizing its seasonal growth period to maximize biomass and reproductive output before the onset of dormancy.

Life form :
therophyte
Lifecycle :
annual

Morphology

The morphology of Avena sativa is characterized by a graminoid growth form, specifically functioning as a non-woody herb. This terrestrial plant is independent and does not exhibit parasitic or epiphytic behaviors, maintaining a self-supporting structure with an ascending shoot orientation. In terms of stature, the plant typically reaches an average height of approximately 0.85 meters, though individual specimens can vary significantly, ranging from a minimum height of 0.6 meters to a maximum of 1.6 meters.

Aquatic :
terrestrial
Climber :
self-supporting
Epiphyte :
terrestrial
Growth form :
herb
Growth form :
graminoid
Parasite :
independent
Plant height max:
1.6 m
Plant height mean:
0.846666666666667 m
Plant height min:
0.6 m
Shoot orientation :
ascending
Woodiness :
non-woody

Physiology

The physiology of Avena sativa is characterized by a C3 photosynthetic pathway, a metabolic strategy that dictates its carbon fixation processes and environmental adaptations. As a non-carnivorous species, it relies entirely on soil-based nutrient uptake rather than trapping prey. Its vegetative morphology is defined by elongated, narrow leaves, with leaf lengths ranging from a minimum of 20 cm to a maximum of 45 cm. These leaves exhibit a mean width of 1.1 cm, though they can fluctuate between a minimum of 0.5 cm and a maximum of 2 cm. The leaf surface area is relatively specialized, with a mean leaf size of 43.445 cm² and a mean Specific Leaf Area (SLA) of 206.8 cm²/g, reflecting the plant's resource allocation strategy regarding leaf thickness and light interception efficiency.

Carnivory :
non-carnivorous
Leaf length max:
45 cm
Leaf length min:
20 cm
Leaf size mean:
43.445 cm²
Leaf width max:
2 cm
Leaf width mean:
1.1 cm
Leaf width min:
0.5 cm
Photosynthetic pathway :
C3
Specific Leaf Area (SLA) mean:
206.8 cm²/g

Reproduction

The reproduction of Avena sativa is characterized by a sexual process involving a panicle inflorescence that typically ranges in length from 0.15 m to 0.3 m. The flowering period generally commences in June and concludes in August. As an abiotic pollination specialist, the plant relies on wind as its primary pollination syndrome to facilitate fertilization, though it also exhibits the presence of self-fertilization. Asexual reproduction is absent in this species. Following successful fertilization, the plant produces dry fruits containing seeds with highly consistent dimensions: the seeds maintain a mean length of 6 mm, a mean width of 2.2 mm, and a mean volume of 32 mm³. The seed mass varies from a minimum of 0.005653 g to a maximum of 0.0392 g, with an overall mean mass of approximately 0.028530606 g. Dispersal is achieved through both zoochorous and anthropochorous syndromes, allowing the seeds to spread via animals and human activity.

Dispersal syndrome :
zoochorous
Dispersal syndrome :
anthropochorous
Flowering time :
Jun
Flowering time :
Aug
Fruit dryness :
dry
Inflorescence :
panicle
Inflorescence length max:
0.3 m
Inflorescence length min:
0.15 m
Pollination syndrome :
wind
Pollination syndrome :
abiotic
Reproduction asexual :
absent
Seed length mean:
6 mm
Seed mass max:
0.0392 g
Seed mass mean:
0.028530606 g
Seed mass min:
0.005653 g
Seed volume max:
32 mm³
Seed width mean:
2.2 mm
Self fertilization :
present

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Avena sativa has 1 reported plant parts identified across 1 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include leaf.

Plant parts reported in Avena sativa
Plant part Supporting sources Consensus
Leaf 1 supporting sources ★☆☆☆☆

Leaf

  1. Archives of Razi Institute

Chemicals

Avena sativa has 214 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include Flavonoids, LIGNIN, putrescine, spermidine, spermine.

Chemicals reported in Avena sativa
Chemical Supporting sources Consensus
Flavonoids 4 supporting sources ★★☆☆☆
LIGNIN 3 supporting sources ★★☆☆☆
putrescine 3 supporting sources ★★☆☆☆
spermidine 3 supporting sources ★★☆☆☆
spermine 3 supporting sources ★★☆☆☆
AMYLOSE 2 supporting sources ★☆☆☆☆
CHLOROPHYLL B 2 supporting sources ★☆☆☆☆
Carotenoids 2 supporting sources ★☆☆☆☆
ERGOTHIONEINE 2 supporting sources ★☆☆☆☆
FAT 2 supporting sources ★☆☆☆☆

Flavonoids

  1. Critical reviews in food science and nutrition
  2. Archives of Razi Institute
  3. Bosnian journal of basic medical sciences
  4. Foods (Basel, Switzerland)

LIGNIN

  1. Dr. Duke
  2. Astrophysical letters & communications
  3. Advances in space research : the official journal of the Committee on Space Research (COSPAR)

putrescine

  1. Dr. Duke
  2. Plant physiology
  3. Archiv fur Tierernahrung

spermidine

  1. Dr. Duke
  2. Plant physiology
  3. Archiv fur Tierernahrung

spermine

  1. Dr. Duke
  2. Plant physiology
  3. Archiv fur Tierernahrung

AMYLOSE

  1. International journal of biological macromolecules
  2. Carbohydrate research

CHLOROPHYLL B

  1. Dr. Duke
  2. Biology

Carotenoids

  1. Biology
  2. Foods (Basel, Switzerland)

ERGOTHIONEINE

  1. Dr. Duke
  2. International journal of medicinal mushrooms

FAT

  1. Dr. Duke
  2. Foods (Basel, Switzerland)

Activities

Avena sativa has 700 reported activities identified across 1 scientific publications and several other databases. The most consistently reported activities include Antioxidant, Antidiabetic, Antispasmodic, Antitumor, Anxiolytic.

Activities reported in Avena sativa
Activity Supporting sources Consensus
Antioxidant 3 supporting sources ★★☆☆☆
Antidiabetic 2 supporting sources ★☆☆☆☆
Antispasmodic 2 supporting sources ★☆☆☆☆
Antitumor 2 supporting sources ★☆☆☆☆
Anxiolytic 2 supporting sources ★☆☆☆☆
Chemopreventive 2 supporting sources ★☆☆☆☆
Diuretic 2 supporting sources ★☆☆☆☆
Hypocholesterolemic 2 supporting sources ★☆☆☆☆
11B-HSD-Inhibitor 1 supporting sources ★☆☆☆☆
5-Lipoxygenase-Inhibitor 1 supporting sources ★☆☆☆☆

Antioxidant

  1. Dr. Duke
  2. Critical reviews in food science and nutrition
  3. Foods (Basel, Switzerland)

Antidiabetic

  1. Dr. Duke
  2. Critical reviews in food science and nutrition

Antispasmodic

  1. Dr. Duke
  2. Critical reviews in food science and nutrition

Antitumor

  1. Dr. Duke
  2. Critical reviews in food science and nutrition

Anxiolytic

  1. Dr. Duke
  2. Frontiers in veterinary science

Chemopreventive

  1. Dr. Duke
  2. PloS one

Diuretic

  1. Dr. Duke
  2. Critical reviews in food science and nutrition

Hypocholesterolemic

  1. Dr. Duke
  2. The American journal of clinical nutrition

11B-HSD-Inhibitor

  1. Dr. Duke

5-Lipoxygenase-Inhibitor

  1. Dr. Duke

Medicinal Uses

Avena sativa has 23 reported medicinal uses identified across 1 scientific publications and several other databases. The most consistently reported uses include obesity, acne vulgaris, acute pancreatitis, aging, antioxidant.

Most Reported Uses

Use Sources Consensus
obesity Nutrients (and other 2 sources) ★☆☆☆☆
acne vulgaris Journal of the European Academy of Dermatology and Venereology : JEADV (and other 1 sources) ★☆☆☆☆
acute pancreatitis Foods (Basel, Switzerland) (and other 1 sources) ★☆☆☆☆
aging Carbohydrate research (and other 1 sources) ★☆☆☆☆
antioxidant International journal of biological macromolecules (and other 1 sources) ★☆☆☆☆
apoptosis Carbohydrate research (and other 1 sources) ★☆☆☆☆
behavior Journal of evidence-based complementary & alternative medicine (and other 1 sources) ★☆☆☆☆
breast cancer The Journal of steroid biochemistry and molecular biology (and other 1 sources) ★☆☆☆☆
burns Foods (Basel, Switzerland) (and other 1 sources) ★☆☆☆☆
cardiovascular disease Current atherosclerosis reports (and other 1 sources) ★☆☆☆☆

Preparations

Preparations Sources Consensus
alcoholic extract International journal of clinical pharmacology and biopharmacy (and other 1 sources) ★☆☆☆☆
aqueous extract The Journal of pharmacy and pharmacology (and other 1 sources) ★☆☆☆☆
crude leaf extracts Archives of Razi Institute (and other 1 sources) ★☆☆☆☆
crude oat extract Archives of Razi Institute (and other 1 sources) ★☆☆☆☆
plant extracts Frontiers in veterinary science (and other 1 sources) ★☆☆☆☆
tincture of Avena sativa The Journal of pharmacy and pharmacology (and other 1 sources) ★☆☆☆☆