Euphorbia pilosa

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Tithymalus pilosus
• Galarhoeus pilosus
• Tithymalus lutescens
• Euphorbia pilosa subsp. ojensis
• Euphorbia lutescens

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae within the phylum Streptophyta and the class Equisetopsida. It is further classified under the subclass Magnoliidae and the order Malpighiales. Finally, it is a member of the family Euphorbiaceae and falls under the genus Euphorbia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a remarkably wide and fragmented geographical distribution across different continents. In the Western Indian Ocean, its presence is noted specifically around the Mozambique Channel Islands. Moving to the northern reaches of Asia, it can be found within the vast territories of Siberia. Within the Siberian region, its range includes the Altai mountains as well as the Irkutsk area. Furthermore, the species extends its reach to the Krasnoyarsk and Tuva regions.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Euphorbia pilosa is characterized by its preference for specific transitional environments, primarily thriving within forest edges and open meadows. This species occupies a distinct altitudinal niche, typically found at elevations ranging from a minimum of 1800 m AMSL to a maximum of 3000 m AMSL. Within this vertical distribution, the plant maintains a mean elevation of approximately 2400 m AMSL, suggesting an adaptation to the unique climatic and environmental conditions found in these mid-to-high altitude montane zones.

Elevational range max:

3000 m AMSL

Elevational range mean:

2400 m AMSL

Elevational range min:

1800 m AMSL

Habitat :

forest edges, meadows

Life history

The life history of Euphorbia pilosa is characterized by a variable lifecycle that can manifest as an annual, biennial, or perennial, allowing it to adapt to diverse environmental conditions. As a plant, it adopts a hemicryptophyte life form, meaning its perennial buds are located at or just below the soil surface, protected by leaf litter or surface debris during unfavorable periods. This specific growth strategy, categorized under both hemicryptophyte classifications, enables the species to persist through seasonal changes and successfully re-emerge to complete its reproductive cycles.

Life form :

hemicryptophyte

Lifecycle :

perennial

Morphology

The morphology of Euphorbia pilosa is characterized by its growth form as a non-woody herb, exhibiting a stature that typically ranges from a minimum height of 0.3 m to a maximum of 1 m. As a terrestrial plant, it functions as an independent organism rather than a parasite or epiphyte, and it maintains a self-supporting structure without the need for climbing.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Plant height max:

1 m

Plant height min:

0.3 m

Woodiness :

non-woody

Physiology

The physiological structure of Euphorbia pilosa is characterized by specific foliar dimensions that govern its photosynthetic capacity and surface area dynamics. The leaves exhibit a distinct morphological range, with a mean leaf length of 5 cm, fluctuating between a minimum of 4 cm and a maximum of 6 cm. This longitudinal variation is complemented by a specific width profile, where the mean leaf width is measured at 2 cm, spanning a range from a minimum of 1.5 cm to a maximum of 2.5 cm. These precise dimensions in leaf length and width suggest a specialized adaptation for optimizing light interception and gas exchange within its ecological niche.

Leaf length max:

6 cm

Leaf length mean:

5 cm

Leaf length min:

4 cm

Leaf width max:

2.5 cm

Leaf width mean:

2 cm

Leaf width min:

1.5 cm

Reproduction

The reproduction of Euphorbia pilosa is characterized by a specific flowering season and the development of small, distinct fruit structures. The flowering period typically commences in May and concludes around June, although the timing can be variable across different months. Following pollination, the plant produces small fruits that exhibit specific morphological dimensions. The fruit length typically ranges from a minimum of 0.25 cm to a maximum of 0.35 cm, with an average length of approximately 0.3 cm. Similarly, the fruit width varies from a minimum of 0.35 cm to a maximum of 0.45 cm, maintaining a mean width of about 0.4 cm.

Flowering time :

May

Flowering time :

Jun

Fruit length max:

0.35 cm

Fruit length mean:

0.3 cm

Fruit length min:

0.25 cm

Fruit width max:

0.45 cm

Fruit width mean:

0.4 cm

Fruit width min:

0.35 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Euphorbia pilosa 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. Plants (Basel, Switzerland)

Chemicals

Euphorbia pilosa has 1 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include ZN.

ZN

1. Plants (Basel, Switzerland)