Bolboschoenus yagara

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Bolboschoenus desoulavii
• Bolboschoenus fluviatilis subsp. yagara
• Scirpus fluviatilis var. yagara
• Scirpus yagara
• Bolboschoenus maritimus var. desoulavii
• Bolboschoenus maritimus subsp. yagara

Regional and Traditional Names

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Poales, it is classified under the family Cyperaceae. Finally, it is identified by the genus Bolboschoenus, specifically as the species Bolboschoenus yagara.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse range of habitats across several European regions. In Northern Europe, its presence can be identified specifically within Sweden. Moving into Middle Europe, it is also found growing in the landscapes of Austria and Belgium. The species further extends its range through the territories of Czechia-Slovakia. Finally, its geographical distribution is completed by its documented occurrence in Germany.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Bolbocheneus yagara is characterized by a perennial lifecycle, allowing the plant to persist through multiple growing seasons. Structurally, it exhibits a dual classification of life forms, functioning as both a hemicryptophyte and a cryptophyte, which indicates that its perennating buds are located at or just below the soil surface to survive unfavorable environmental conditions.

Life form :

hemicryptophyte

Life form :

cryptophyte

Lifecycle :

perennial

Morphology

The morphology of Bolboschoenus yagara is characterized by a non-woody, herbaceous growth form, manifesting as a herb and a forb. This plant is primarily terrestrial in its ecological habit, though it can inhabit aquactic, semiaquatic, or terrestrial environments. It functions as an independent organism, lacking parasitic tendencies, and remains a terrestrial plant rather than an epiphyte. Structurally, it is a self-supporting plant, neither acting as a liana, a vine, nor an obligatory or facultative climber. In terms of stature, it reaches a plant height ranging from a minimum of 0.8 m to a maximum of 1.3 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Plant height max:

1.3 m

Plant height min:

0.8 m

Woodiness :

non-woody

Physiology

The physiology of Bolbocheinus yagara is characterized by a specialized metabolic framework primarily driven by a C3 photosynthetic pathway. This biochemical process involves the direct fixation of atmospheric carbon dioxide through the enzyme RuBisCO, which incorporates CO2 into a three-carbon compound during the initial stages of the Calvin cycle. Unlike plants utilizing C4 or CAM pathways, this species relies on the standard photosynthetic mechanism where carbon fixation and the light-independent reactions occur within the same mesophyll cells, requiring careful physiological regulation to manage photorespiration and water-use efficiency in its specific ecological niche.

Photosynthetic pathway :

C3

Reproduction

The reproduction of Bolbocheinus yagara is characterized by a specific seasonal flowering window that facilitates its reproductive cycle. The flowering process typically commences in June, marking the beginning of its reproductive phase. This period continues through the mid-year months until the flowering season concludes in August. While the plant follows this general seasonal pattern, the exact timing of its bloom can be subject to environmental variability.

Flowering time :

Jun

Flowering time :

Aug

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Bolboschoenus yagara has 3 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Isocoumarins, Stilbenes, sparstolonin B.

Isocoumarins

1. Natural product research

Stilbenes

1. Natural product research

sparstolonin B

1. Phytomedicine : international journal of phytotherapy and phytopharmacology

Preparations

Bolboschoenus yagara has 2 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include ethyl acetate fraction, tubers.

Ethyl acetate fraction

1. Natural product research

Tubers

1. Journal of Asian natural products research