Dactyloctenium aegyptium

Names and Synonyms

Scientific Names

Accepted name

Distribution

This plant exhibits a varied geographical distribution across several regions of Europe. In Northern Europe, its presence can be observed within Great Britain. Moving into Middle Europe, it is found in both Germany and the Czechia-Slovakia region. Its range extends to Southwestern Europe, where it inhabits Spain. Additionally, this medicinal species is documented in the Baleares islands.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Dactyloctenium aegyptium is characterized by its remarkable adaptability to varying topographical gradients and human-altered landscapes. This species exhibits a broad altitudinal distribution, occupying environments ranging from sea level up to a maximum elevation of 3000 m AMSL. Notably, its ecological presence is frequently documented within anthropogenic areas (Área Antrópica), suggesting a high tolerance for disturbed habitats and human-modified ecosystems where it can successfully establish itself despite shifts in the natural landscape.

Elevational range max:

3000 m AMSL

Elevational range min:

0 m AMSL

Habitat :

Área Antrópica

Genetics

The genetics of Dactylocitneum aegyptium are characterized by a complex karyotypic profile and specific chromosomal arrangements. The species exhibits a highly variable chromosome number, with observed values documented at 18, 20, 22, 23, 27, 34, 36, 38, 40, 44, 46, 48, and 52. Despite this significant numerical diversity across different samples or populations, the organism maintains a diploid ploidy level of 2, indicating that the observed variations occur within the context of a standard two-set chromosomal configuration.

Chromosome number :

18,20,22,23,27,34,36,38,40,44,46,48,52

Ploidy :

2

Life history

The life history of Dactyloctenium aegyptium is characterized by a specific developmental strategy where it functions as an annual species, completing its entire biological cycle from germination to seed production within a single growing season. In terms of its structural survival strategies, the plant exhibits a dual classification of life forms; it is identified as a therophyte, meaning it survives the unfavorable seasons primarily in the form of seeds, and it also displays the characteristics of a hemicryptophyte, with its perennating buds located at or just below the soil surface to withstand environmental fluctuations.

Life form :

hemicryptophyte

Life form :

therophyte

Lifecycle :

annual

Morphology

The morphology of Dactyloctenium aegyptium is characterized by a graminoid growth form, functioning primarily as a non-woody herb. This terrestrial species is an independent organism, lacking any parasitic or epiphytic tendencies. In terms of its physical stature, the plant exhibits a variable height ranging from a minimum of 0 m to a maximum of 1 m, with an average height of approximately 0.475 m. Its structural development is defined by an ascending shoot orientation, and the plant is categorized as a self-supporting species rather than a climber or vine.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

graminoid

Parasite :

independent

Plant height max:

1 m

Plant height mean:

0.475 m

Plant height min:

0 m

Shoot orientation :

ascending

Woodiness :

non-woody

Physiology

The physiology of Dactylocitnum aegyptium is characterized by a specialized metabolic and morphological profile adapted to its environmental niche. It utilizes a C4 photosynthetic pathway, an evolutionary adaptation that enhances carbon fixation efficiency and minimizes photorespiration, particularly in high-temperature or light-intensive conditions. Morphologically, the leaves exhibit significant variation in dimensions, with lengths ranging from a minimum of 3 cm to a maximum of 25 cm, while their widths are relatively narrow, spanning from 0.25 cm to 0.75 cm. Unlike many desert-adapted species, this plant does not exhibit succulence, lacking thickened, water-storing tissues. Furthermore, it does not function as a nitrogen fixer, meaning it relies on external soil nitrogen sources rather than symbiotic nitrogen-fixing bacteria to meet its nutritional requirements.

Leaf length max:

25 cm

Leaf length min:

3 cm

Leaf width max:

0.75 cm

Leaf width min:

0.25 cm

Nitrogen fixer :

no

Photosynthetic pathway :

C4

Succulence :

no

Reproduction

The reproduction of Dactyloclienium aegyptium is characterized by a specific flowering window that typically begins in April and concludes in May. The plant utilizes an abiotic pollination syndrome, specifically relying on wind for the transfer of pollen. Following successful pollination, it produces dry fruits that are quite minute in scale; these fruits exhibit an average length of 0.0995 cm (ranging from 0.085 to 0.114 cm), an average width of 0.0865 cm (ranging from 0.07 to 0.103 cm), and an average height of 0.0525 cm (ranging from 0.055 to 0.055 cm). The seeds produced are exceptionally small, with a mean mass of approximately 0.0002437355 g (varying between 0.00013 g and 0.00047 g) and a consistent volume of 0.23 mm³. Dispersal of the offspring is achieved through a combination of syndromes, primarily utilizing both zoochorous and anemochorous methods to ensure the spread of the species.

Dispersal syndrome :

zoochorous

Dispersal syndrome :

anemochorous

Flowering time :

Apr

Flowering time :

May

Fruit dryness :

dry

Fruit height max:

0.055 cm

Fruit height mean:

0.0525 cm

Fruit length max:

0.114 cm

Fruit length mean:

0.0995 cm

Fruit length min:

0.085 cm

Fruit width max:

0.103 cm

Fruit width mean:

0.0865 cm

Fruit width min:

0.07 cm

Pollination syndrome :

wind

Pollination syndrome :

abiotic

Seed mass max:

0.00047 g

Seed mass mean:

0.0002437355 g

Seed mass min:

0.00013 g

Seed volume max:

0.23 mm³

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Dactyloctenium aegyptium 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.

Leaf

1. Journal of fungi (Basel, Switzerland)