umbrella sedge

Names and Synonyms

Common Names

• cypriol
• nut-grass

Scientific Names

Accepted name

Synonyms

• Cyperus corymbosus var. scariosus

Regional and Traditional Names

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 follows the order Poales and is a member of the family Cyperaceae. Finally, it is categorized under the genus Cyperus.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad geographical distribution spanning several distinct tropical and subtropical regions. In South Tropical Africa, its presence is specifically noted in Mozambique. Moving toward the Indian Subcontinent, it can be found within the borders of Bangladesh. The species also extends into the Malesia region, particularly on the island of Jawa, and reaches into Papuasia via New Guinea. Finally, its range reaches the Australian continent, specifically within the Northern Territory.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Cyperus scariosus is characterized by its classification as a perennial plant, allowing it to persist in its environment through multiple growing seasons. Functioning as a geophyte, the species relies on underground storage organs to survive unfavorable conditions and facilitate regrowth, a trait typical of plants that maintain their regenerative parts below the soil surface. This life strategy enables the plant to establish a stable presence within its ecological niche, utilizing its perennial nature to endure seasonal shifts while maintaining the structural resilience inherent to its geophyte life form.

Life form :

geophyte

Lifecycle :

perennial

Morphology

The morphology of Cyperus scariosus is characterized by a graminoid growth form, functioning as a non-woody herb. This plant is primarily self-supporting rather than being a climber or a liana, and it grows as an independent organism without parasitic tendencies. It can be found in diverse habitats, ranging from aquatic and semiaquatic environments to terrestrial settings, and it is not an epiphyte. In terms of stature, the plant maintains a relatively low profile, with a height that typically ranges from a minimum of 0.3 m to a maximum of 1.2 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

graminoid

Parasite :

independent

Plant height max:

1.2 m

Plant height min:

0.3 m

Woodiness :

non-woody

Physiology

The physiology of Cyperus scariosus is characterized by a specialized metabolic efficiency, most notably evidenced by its photosynthetic pathway. Unlike many common plants that rely on the standard C3 cycle, this species utilizes the C4 photosynthetic pathway, a physiological adaptation that allows it to concentrate carbon dioxide around the enzyme RuBisCO. This mechanism effectively minimizes photorespiration, enabling the plant to maintain high rates of carbon fixation even under conditions of high temperature, intense light intensity, or limited water availability. By spatially separating initial carbon fixation from the Calvin cycle, the C4 pathway optimizes water-use efficiency and nutrient uptake, facilitating robust growth in demanding environments where C3, C4, or CAM variations might otherwise struggle to maintain metabolic equilibrium.

Photosynthetic pathway :

C4

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Cyperus scariosus has 2 reported plant parts identified across 2 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include rhizome, root.

Rhizome

1. Pharmacognosy magazine

Root

1. Scientific reports

Chemicals

Cyperus scariosus has 24 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include caffeic acid, CA, CATECHIN, CU, Cyperotundone.

caffeic acid

1. Pharmacognosy magazine
2. Scientific reports

CA

1. Scientific reports

CATECHIN

1. Scientific reports

CU

1. Scientific reports

Cyperotundone

1. Molecules (Basel, Switzerland)

Epicatechin

1. Scientific reports

FE

1. Scientific reports

Gallic acid

1. Pharmacognosy magazine

Lupeol

1. Pharmacognosy magazine

MG

1. Scientific reports

Activities

Cyperus scariosus has 4 reported activities identified across 2 scientific publications and several other databases. The most consistently reported activities include Analgesic, Antiacid, Antioxidant, Free-Radical Scavenging.

Analgesic

1. Journal of Ayurveda and integrative medicine

Antiacid

1. Scientific reports

Antioxidant

1. Scientific reports

Free-Radical Scavenging

1. Pharmacognosy magazine

Medicinal Uses

Cyperus scariosus has 2 reported medicinal uses identified across 2 scientific publications and several other databases. The most consistently reported uses include oxidative DNA damage, rheumatoid arthritis.

Most Reported Uses

Preparations