Hypericum polyanthemum

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Hypericum rivulare

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta within the class Equisetopsida. Following its placement in the subclass Magnoliidae and order Malpighiales, it is a member of the family Hypericaceae. Ultimately, it is categorized under the genus Hypericum.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific geographical range within the Southern Hemisphere. In South America, its presence is notably documented in the country of Uruguay. Moving further north, the species is also found within the borders of Brazil. Specifically, its distribution in Brazil is concentrated in the southern regions of the nation. Together, these locations define the primary natural habitats for Hypericum polyanthemum.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Hypericum polyanthemum is characterized by its presence in the distinct "Campo de Altitude" habitat, a specialized high-altitude grassland ecosystem. This plant demonstrates a broad vertical distribution within its environment, occupying an elevational range that extends from sea level (0 m AMSL) up to a maximum altitude of 1300 m AMSL. This wide altitudinal gradient suggests an adaptability to varying environmental pressures, ranging from lowland conditions to the more specialized, often cooler and wind-exposed conditions found in the elevated fields.

Elevational range max:

1300 m AMSL

Elevational range min:

0 m AMSL

Habitat :

Campo de Altitude

Life history

The life history of Hypericum polyanthemum is characterized by its classification as a perennial, meaning it persists through multiple growing seasons rather than completing its entire life cycle in a single year. As a perennial species, it establishes a robust root system that allows the plant to endure varying environmental conditions and regrow annually. This longevity enables the plant to invest energy into more complex reproductive structures over time, contributing to its stability within its natural habitat. Throughout its life cycle, the plant undergoes seasonal stages of vegetative growth and flowering, leveraging its multi-year existence to ensure long-term survival and successful seed production.

Lifecycle :

perennial

Morphology

The morphology of Hypericum polyanthemum is characterized by its growth form as a woody subshrub, exhibiting a structural complexity that allows it to function as a self-supporting plant. It is primarily a terrestrial species, categorized as terrestrial in its aquatic classification (ranging from aquatic to semiaquatic to terrestrial) and similarly identified as a terrestrial organism regarding its epiphytic status. This plant does not function as an epiphyte, whether obligatory or facultative, but rather maintains an independent existence, functioning as an independent organism rather than a parasite. Its physical structure is defined by its woodiness, possessing a woody stem that supports its development as a low-growing, multi-stemmed shrub-like form.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

shrub

Growth form :

subshrub

Parasite :

independent

Woodiness :

woody

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Hypericum polyanthemum has 1 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include 6-Isobutyryl-5,7-dimethoxy-2,2-dimethyl-benzopyran.

6-Isobutyryl-5,7-dimethoxy-2,2-dimethyl-benzopyran

1. Phytochemistry

Preparations

Hypericum polyanthemum has 1 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include crude extracts.

Crude extracts

1. Pharmacological research