manna ash

Fraxinus ornus · Accepted scientific name

Scientific literature: Sparse (65 studies) · ★★☆☆☆

Manna ash, scientifically known as Fraxinus ornus, is a distinctive deciduous tree native to the Mediterranean. Renowned for its ornamental beauty and fragrant white blossoms, it holds historical significance in herbal medicine. Traditionally, its sap was harvested to create "manna," a sweet substance used for its mild laxative properties.

Family
Oleaceae
Native range
Europe
Parts used
Not available
Common names
Manna Ash · Flowering Ash · 2 more
Scientific synonyms
Ornus Europaea

Names and Synonyms

Common Names

Scientific Names

Accepted name

Fraxinus ornus

Synonyms

Regional and Traditional Names

Spanish:

  • Fresno florido
  • Fresno del maná
  • Fresno del mana
  • Fresno de flor
  • fresno de flor
  • maná de Calabria
  • Fresno florido

German:

  • Manna-Esche
  • Schmuckesche
  • Schmuck-Esche
  • Blumen-Esche
  • Blumenesche
  • Mannaesche
  • Blumen-Esche
  • Manna-Esche
  • Blumenesche
  • Schmuckesche

French:

  • Orne
  • Frêne à fleurs
  • Ornier
  • Frêne à fleurs boule
  • Frêne à fleurs louisa lady
  • frêne à fleurs
  • frêne à manne
  • orne à manne
  • Frene a fleurs
  • Orne

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and the class Equisetopsida. Within the subclass Magnoliidae, it falls under the order Lamiales and is a member of the Oleaceae family. Specifically, it is categorized under the genus Fraxinus.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Lamiales
Family Oleaceae
Genus Fraxinus

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific distribution pattern across several regions of the European continent. In Northern Europe, its presence can be documented in both Great Britain and Ireland. Moving toward the center of the continent, it is also found within the borders of Belgium. The species extends further into Middle Europe, where it grows in Austria. Finally, its geographical range includes the territories of Czechia and Slovakia.

Region Area
Northern Europe Great Britain
Northern Europe Ireland
Middle Europe Austria
Middle Europe Belgium
Middle Europe Czechia-Slovakia
Middle Europe Germany
Middle Europe Hungary
Middle Europe Switzerland
Southwestern Europe Corse
Southwestern Europe France

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Fraxinus ornus is characterized by its preference for lowland habitats, where it establishes itself within diverse environmental niches. This species typically thrives at low altitudes, occupying an elevational range that begins at 0 m AMSL and extends up to a maximum of 500 m AMSL. Its distribution is closely tied to these lower-lying topographical regions, allowing it to integrate into specific community structures defined by these altitudinal constraints.

Elevational range max:
500 m AMSL
Elevational range min:
0 m AMSL
Habitat :
Lowland

Life history

The life history of Fraxinus ornus is characterized by its nature as a perennial species, ensuring its long-term presence within its ecological niche through multiple growing seasons. As a phanerophyte, the plant maintains its conductive organs and buds well above the ground, typically forming a woody structure that allows it to withstand various environmental conditions. Its growth pattern is strictly deciduous, meaning it sheds its foliage annually in response to seasonal changes, a strategy that helps manage water loss and energy conservation during colder or drier periods. This combination of a perennial lifecycle, a phanerophyte life form, and deciduous foliage defines its rhythmic development and survival strategy in the wild.

Deciduousness :
deciduous
Life form :
phanerophyte
Lifecycle :
perennial

Morphology

The morphology of Fraxinus ornus is characterized by its growth form as a woody tree that functions as a self-supporting structure. It is an independent species, meaning it does not operate as a parasite, and it maintains a terrestrial existence rather than being aquatic or epiphytic. In terms of stature, the plant exhibits significant variation in height, with a minimum height of 4 m, a mean height of approximately 6.5 m, and the potential to reach a maximum height of up to 20 m.

Aquatic :
terrestrial
Climber :
self-supporting
Epiphyte :
terrestrial
Growth form :
tree
Parasite :
independent
Plant height max:
20 m
Plant height mean:
6.5 m
Plant height min:
4 m
Woodiness :
woody

Physiology

The physiology of Fraxinus ornus is characterized by a C3 photosynthetic pathway, which dictates its carbon fixation processes and metabolic efficiency. The leaf morphology plays a critical role in its resource management, exhibiting a mean specific leaf area (SLA) of 63.9 cm²/g, reflecting its structural investment in light interception and gas exchange. The foliage is composed of leaflets with a consistent width of 4 cm (where the minimum, mean, and maximum values are all measured at 4 cm) and can reach a maximum leaf length of 8 cm. Furthermore, this species does not function as a nitrogen fixer, relying instead on soil nutrient availability to support its physiological development and growth.

Leaf length max:
8 cm
Leaf width mean:
4 cm
Nitrogen fixer :
no
Photosynthetic pathway :
C3
Specific Leaf Area (SLA) mean:
63.9 cm²/g

Reproduction

The reproduction of Fraxinus ornus is characterized by a sexual process, as asexual reproduction is absent. The flowering period is concentrated in the month of April, marking a specific seasonal window for its reproductive cycle. During this time, the plant utilizes a biotic pollination syndrome, specifically relying on insects to facilitate the transfer of pollen. Notably, self-fertilization is absent, necessitating cross-pollination to ensure genetic diversity. Following successful fertilization, the plant produces dry fruits with a mean length of approximately 2.3 cm. The seeds produced within these fruits vary in size, with a minimum mass of 0.0137 g, a maximum mass of 0.035 g, and a mean mass of roughly 0.044877857 g. For the distribution of its offspring, Fraxinus ornus employs an anemochorous dispersal syndrome, meaning the seeds are primarily dispersed by the wind.

Dispersal syndrome :
anemochorous
Flowering time :
Apr
Fruit dryness :
dry
Fruit length mean:
2.3 cm
Pollination syndrome :
insect
Pollination syndrome :
biotic
Reproduction asexual :
absent
Seed mass max:
0.035 g
Seed mass mean:
0.044877857 g
Seed mass min:
0.0137 g
Self fertilization :
absent

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Fraxinus ornus has 6 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Esculetin, Esculin, Flavonoids, Fraxetin, Fraxin.

Chemicals reported in Fraxinus ornus
Chemical Supporting sources Consensus
Esculetin 1 supporting sources ★☆☆☆☆
Esculin 1 supporting sources ★☆☆☆☆
Flavonoids 1 supporting sources ★☆☆☆☆
Fraxetin 1 supporting sources ★☆☆☆☆
Fraxin 1 supporting sources ★☆☆☆☆
escuside 1 supporting sources ★☆☆☆☆

Esculetin

  1. Dr. Duke

Esculin

  1. Dr. Duke

Flavonoids

  1. Fitoterapia

Fraxetin

  1. Dr. Duke

Fraxin

  1. Dr. Duke

escuside

  1. Fitoterapia

Activities

Fraxinus ornus has 55 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include 5-Lipoxygenase-Inhibitor, Aldose-Reductase-Inhibitor, Analgesic, AntiCVS, Antiaging.

Activities reported in Fraxinus ornus
Activity Supporting sources Consensus
5-Lipoxygenase-Inhibitor 1 supporting sources ★☆☆☆☆
Aldose-Reductase-Inhibitor 1 supporting sources ★☆☆☆☆
Analgesic 1 supporting sources ★☆☆☆☆
AntiCVS 1 supporting sources ★☆☆☆☆
Antiaging 1 supporting sources ★☆☆☆☆
Antialopecic 1 supporting sources ★☆☆☆☆
Antiarrhythmic 1 supporting sources ★☆☆☆☆
Antiarthritic 1 supporting sources ★☆☆☆☆
Antiasthmatic? 1 supporting sources ★☆☆☆☆
Antibacterial 1 supporting sources ★☆☆☆☆

5-Lipoxygenase-Inhibitor

  1. Dr. Duke

Aldose-Reductase-Inhibitor

  1. Dr. Duke

Analgesic

  1. Dr. Duke

AntiCVS

  1. Dr. Duke

Antiaging

  1. Dr. Duke

Antialopecic

  1. Dr. Duke

Antiarrhythmic

  1. Dr. Duke

Antiarthritic

  1. Dr. Duke

Antiasthmatic?

  1. Dr. Duke

Antibacterial

  1. Dr. Duke

Medicinal Uses

Fraxinus ornus has 1 reported medicinal uses identified across 0 scientific publications and several other databases. The most consistently reported uses include diabetes mellitus.

Most Reported Uses

Use Sources Consensus
diabetes mellitus Journal of medicinal food (and other 1 sources) ★☆☆☆☆

Preparations

Preparations Sources Consensus
Hydroethanolic extracts (80%) Journal of medicinal food (and other 1 sources) ★☆☆☆☆
bark Fitoterapia (and other 1 sources) ★☆☆☆☆
flowers Fitoterapia (and other 1 sources) ★☆☆☆☆
leaves Fitoterapia (and other 1 sources) ★☆☆☆☆