Helianthemum hirtum

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Cistus hirtus

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Malvales, it is classified under the family Cistaceae. Specifically, it is identified by the genus Helianthemum, which includes the species Helianthemum hirtum.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is primarily found throughout the region of Southwestern Europe. Its natural range specifically includes several distinct territories within this part of the continent. Within this area, the species can be identified in France and Portugal. It also maintains a presence in Spain, extending its reach across the Iberian Peninsula. Additionally, the geographical distribution of this medicinal plant encompasses the island of Corse.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Helianthemum hirtum is characterized by its status as a perennial plant, allowing it to persist through multiple growing seasons. Throughout its lifecycle, the plant undergoes various developmental stages, starting from seed germination to the establishment of a robust vegetative structure capable of supporting reproductive efforts over several years. As a perennial, it exhibits a capacity for long-term survival in its habitat, often displaying variable growth patterns depending on environmental conditions and resource availability. This longevity enables the species to undergo repeated flowering and seeding cycles, contributing to its population stability and long-term presence within its ecological niche.

Lifecycle :

perennial

Morphology

The morphology of Helianthemum hirtum is characterized by its growth form as a subshrub. This structural habit is defined by its woody nature, indicating a perennial life cycle with a persistent, lignified stem base that distinguishes it from purely herbaceous species.

Growth form :

subshrub

Woodiness :

woody

Physiology

The physiology of Helianthemum hirtum is characterized by a metabolic framework governed by a C3 photosynthetic pathway, which dictates its carbon fixation processes and gas exchange mechanisms. As a C3 plant, it utilizes the Calvin cycle to fix atmospheric carbon dioxide directly through the enzyme RuBisCO, facilitating the production of three-carbon compounds during the initial stages of photosynthesis. This metabolic strategy influences its transpiration rates and water-use efficiency, as the plant must balance the intake of CO2 with the prevention of excessive water loss through its stomata. The physiological regulation of its photosynthetic efficiency is closely tied to its environmental adaptations, where the C3 pathway serves as the primary driver for energy conversion and biomass accumulation.

Photosynthetic pathway :

C3

Reproduction

The reproduction of Helianthemum hirtum is characterized by the production of fruit that maintains a distinctively dry consistency rather than being fleshy. The seeds produced during this process are remarkably uniform in size, exhibiting a consistent seed mass with a mean, maximum, and minimum value of 0.00162 g. This precise measurement indicates a highly standardized seed production pattern within the species.

Fruit dryness :

dry

Seed mass mean:

0.00162 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Helianthemum hirtum has 2 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Ellagitannins, Gallic acid.

Ellagitannins

1. Journal of ethnopharmacology

Gallic acid

1. Journal of ethnopharmacology