Xanthium orientale

Names and Synonyms

Scientific Names

Accepted name

Distribution

This plant exhibits a specific geographical range across several parts of the European continent. In Northern Europe, its presence can be documented within the borders of Great Britain. Moving into Middle Europe, the species is found inhabiting the landscapes of Austria and Belgium. It also maintains a distribution throughout the regions of Czechia-Slovakia. Finally, the plant is commonly recorded across the territory of Germany.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Xanthium orientale is characterized by its ability to thrive across a broad altitudinal gradient, ranging from sea level (0 m AMSL) up to elevations of 2000 m AMSL. This species is commonly found inhabiting disturbed environments, specifically preferring open roadsides where it can access sunlight and colonize available ground. To survive within these niches, the plant utilizes active defense mechanisms to deter herbivory and competition, ensuring its persistence in varied ecological landscapes.

Defense :

yes

Elevational range max:

2000 m AMSL

Elevational range min:

0 m AMSL

Habitat :

open roadsides

Genetics

The genetics of Xanthium orientale are characterized by a specific chromosomal configuration that defines its reproductive and evolutionary stability. This species possesses a total chromosome number of 36, which serves as a fundamental cytogenetic marker for the taxon. Furthermore, the plant maintains a diploid ploidy level of 2, indicating that its cells contain two complete sets of chromosomes. This diploid nature influences the inheritance patterns and genetic diversity observed within its populations, providing a stable genomic framework for its biological development.

Chromosome number :

36

Ploidy :

2

Life history

The life history of Xanthium orientale is characterized by its existence as an annual plant, meaning it completes its entire developmental cycle from germination to seed production within a single growing season. As a therophyte, its survival strategy relies on completing its life cycle rapidly and persisting through unfavorable conditions primarily in the form of seeds. The plant exhibits a deciduous nature, shedding its foliage as it reaches the end of its seasonal cycle.

Deciduousness :

deciduous

Life form :

therophyte

Lifecycle :

annual

Morphology

The morphology of Xanthium orientale is characterized by its growth form as a non-woody herb and forb. It functions as a self-supporting, independent plant that lacks any parasitic or epiphytic tendencies, maintaining a strictly terrestrial existence. The plant exhibits an erect shoot orientation, with its stature varying significantly depending on environmental conditions; it can reach a minimum height of 0.1 m, with a mean height of approximately 0.7275 m, and can grow as tall as a maximum of 2.25 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Plant height max:

2.25 m

Plant height mean:

0.7275 m

Plant height min:

0.1 m

Shoot orientation :

erect

Woodiness :

non-woody

Physiology

The physiology of Xanthium orientale is characterized by a C3 photosynthetic pathway, which dictates its carbon fixation processes and environmental adaptations. Its foliage exhibits an alternate leaf arrangement, with individual leaves displaying an ovate form. The morphological dimensions of the leaves vary significantly, with lengths ranging from a minimum of 2 cm to a maximum of 14 cm, while leaf widths range from a minimum of 1.5 cm to a maximum of 15 cm, resulting in a mean leaf size of approximately 138.455 cm². Furthermore, the plant maintains a mean Specific Leaf Area (SLA) of 130.12 cm²/g, reflecting the relationship between its leaf surface area and dry mass, which influences its resource acquisition and water-use efficiency.

Leaf arrangement :

alternate

Leaf form :

ovate

Leaf length max:

14 cm

Leaf length min:

2 cm

Leaf size mean:

138.455 cm²

Leaf width max:

15 cm

Leaf width min:

1.5 cm

Photosynthetic pathway :

C3

Specific Leaf Area (SLA) mean:

130.12 cm²/g

Reproduction

The reproduction of Xanthium orientale is characterized by a monoecious sexual reproductive system, where self-fertilization is notably absent. The flowering period typically commences in July and extends through October. Pollination is facilitated through an abiotic syndrome, specifically via wind. Following successful pollination, the plant produces an indehiscent fruit classified as an achene. These fruits vary in size, with a length ranging from a minimum of 0.9 cm to a maximum of 3.5 cm, and a width ranging between 0.6 cm and 1.1 cm. The seeds contained within the fruit exhibit a mean mass of approximately 0.2163675 g, with individual seed masses fluctuating between a minimum of 0.0605 g and a maximum of 0.31025 g. Dispersal is primarily an anemochorous process, utilizing wind as the principal mechanism for spreading the seeds.

Dehiscence :

indehiscent

Dispersal syndrome :

anemochorous

Flowering time :

Jul

Flowering time :

Oct

Fruit length max:

3.5 cm

Fruit length min:

0.9 cm

Fruit type :

achene

Fruit width max:

1.1 cm

Fruit width min:

0.6 cm

Pollination syndrome :

wind

Pollination syndrome :

abiotic

Reproduction sexual :

monoecious

Seed mass max:

0.31025 g

Seed mass mean:

0.2163675 g

Seed mass min:

0.0605 g

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Xanthium orientale 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 fruit.

Fruit

1. Natural product research

Preparations

Xanthium orientale has 1 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include antiplasmodial active extract of Xanthium cavanillesii fruits.

Antiplasmodial active extract of xanthium cavanillesii fruits

1. Natural product research