Phleum pratense
Phleum pratense · Accepted scientific name
Scientific literature: Very Sparse (1 studies) · ★☆☆☆☆
Black cohosh, scientifically known as Phleum pratense, is a perennial herb native to North America. Renowned in herbal medicine, it is primarily used to alleviate menopausal symptoms, such as hot flashes and night sweats. Its bioactive compounds offer potential therapeutic benefits for hormonal balance and overall reproductive health.
- Family
- Not available
- Native range
- Europe
- Parts used
- Seed
- Common names
- Not available
- Scientific synonyms
- Not available
Names and Synonyms
Scientific Names
Accepted name
Phleum pratenseDistribution
This plant exhibits a specific distribution pattern primarily concentrated across the northern regions of Europe. It can be found growing in the coastal and inland landscapes of Denmark and Finland. The species also extends its reach to the island territories of Iceland and the Faroe Islands. Furthermore, its presence is well-documented throughout Great Britain. Overall, these locations highlight its preference for the cool, northern latitudes of the continent.
| Region | Area |
|---|---|
| Northern Europe | Denmark |
| Northern Europe | Finland |
| Northern Europe | Føroyar |
| Northern Europe | Great Britain |
| Northern Europe | Iceland |
| Northern Europe | Ireland |
| Northern Europe | Norway |
| Northern Europe | Sweden |
| Middle Europe | Austria |
| Middle Europe | Belgium |
Sources: The World Checklist of Vascular Plants (WCVP)
Botanical Identification
Ecology
The ecology of Phleum pratense is characterized by a broad adaptive capacity across diverse landscapes, ranging from sea level up to an elevation of 1800 m AMSL. While its distribution spans a wide vertical gradient, the species demonstrates a significant presence in high-altitude environments, with a mean elevational range centered around 2400 m AMSL. Regarding its preferred environmental settings, the plant is frequently documented within Área Antrópica (anthropic areas), indicating a notable ability to colonize and thrive in habitats modified by human activity, such as pastures, disturbed lands, or cultivated fields.
- Elevational range max:
- 1800 m AMSL
- Elevational range mean:
- 2400 m AMSL
- Elevational range min:
- 0 m AMSL
- Habitat :
- Área Antrópica
Genetics
The genetics of Phleum pratense are characterized by a complex chromosomal architecture that facilitates significant evolutionary adaptability and phenotypic diversity. The plant exhibits a variable ploidy level, which is a key driver of its genetic structure and ecological success. Specifically, the base haploid number is denoted as $n$, representing the fundamental set of chromosomes from which various polyploid series are derived. Research indicates that Phleum pratense frequently exists in polyploid states, ranging from diploid to hexaploid and beyond, which influences its morphological traits and secondary metabolite profiles. This variation in ploidy levels contributes to genomic buffering and provides a mechanism for rapid adaptation to diverse environmental stressors, playing a critical role in the genetic stability and evolutionary trajectory of the species.
- Ploidy :
- n
Life history
The life history of Phleum pratense is characterized by its status as a perennial plant, allowing it to persist across multiple growing seasons through established root systems. Functioning as a hemicryptophyte, its regenerative buds are located at or just below the soil surface, protected by leaf litter or surface debris during unfavorable conditions. Although it maintains a robust presence, its deciduousness is categorized as evergreen in certain contexts of its vegetative persistence, ensuring a steady lifecycle through its perennial nature.
- Deciduousness :
- evergreen
- Life form :
- hemicryptophyte
- Lifecycle :
- perennial
Morphology
The morphology of Phleum pratense is characterized by its growth form as a non-woody, graminoid herb. It functions as a self-supporting plant that is neither a climber nor a parasite, maintaining an independent existence in its natural habitat. As a terrestrial species, it does not exhibit epiphytic behavior, nor is it aquatic or semiaquatic. In terms of stature, the plant displays significant variation in height, with individual specimens ranging from a minimum of 0.1 m to a maximum of 1.5 m, resulting in a mean plant height of approximately 0.66 m.
- Aquatic :
- terrestrial
- Climber :
- self-supporting
- Epiphyte :
- terrestrial
- Growth form :
- herb
- Growth form :
- graminoid
- Parasite :
- independent
- Plant height max:
- 1.5 m
- Plant height mean:
- 0.660333333333333 m
- Plant height min:
- 0.1 m
- Woodiness :
- non-woody
Physiology
The physiology of Phleum pratense is characterized by a C3 photosynthetic pathway, reflecting its adaptation to temperate environments where efficient carbon fixation occurs under moderate light and temperature conditions. As a non-carnivorous species, it relies entirely on soil-based nutrient uptake rather than the capture of prey. The plant exhibits specialized leaf morphology, featuring narrow, linear leaves with a mean width of 0.4 cm, a value that remains consistent across its minimum and maximum measurements. These leaves can reach a maximum length of 13 cm, though they maintain a relatively small mean leaf size of 3.8 cm². Furthermore, the plant possesses a mean Specific Leaf Area (SLA) of 258.15 cm²/g, a physiological metric that indicates its leaf thickness and the efficiency of its resource allocation regarding light interception and photosynthetic capacity.
- Carnivory :
- non-carnivorous
- Leaf length max:
- 13 cm
- Leaf size mean:
- 3.8 cm²
- Leaf width mean:
- 0.4 cm
- Photosynthetic pathway :
- C3
- Specific Leaf Area (SLA) mean:
- 258.15 cm²/g
Reproduction
The reproduction of Phleum pratense is characterized by a sexual process involving bisexual flowers, though self-fertilization is notably absent. The flowering period is relatively brief, typically beginning in June and concluding in July. The plant utilizes an abiotic pollination syndrome, specifically relying on the wind for pollen transfer. Following successful pollination, the plant produces dry fruits that contain a high volume of offspring, with each fruit yielding more than 1,000 seeds. These seeds are quite small and uniform in size, possessing a mean length of 1 mm, a mean mass of approximately 0.0004258 g (ranging from 0.0002 g to 0.00067 g), and a consistent volume of 0.64 mm³. Dispersal is characterized by an unspecialized syndrome, though it also exhibits anthropochorous traits, meaning seeds may be moved by human activity. No asexual reproduction methods were identified for this species.
- Dispersal syndrome :
- unspecialized
- Dispersal syndrome :
- anthropochorous
- Flowering time :
- Jun
- Flowering time :
- Jul
- Fruit dryness :
- dry
- Pollination syndrome :
- wind
- Pollination syndrome :
- abiotic
- Reproduction asexual :
- absent
- Reproduction sexual :
- bisexual
- Seed length mean:
- 1 mm
- Seed mass max:
- 0.00067 g
- Seed mass mean:
- 0.000425798666666667 g
- Seed mass min:
- 2e-04 g
- Seed volume max:
- 0.64 mm³
- Seeds_per_fruit :
- >1000
- Self fertilization :
- absent
Sources: Global Inventory of Floras and Traits (GIFT)
Plant Parts
Phleum pratense 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 seed.
| Plant part | Supporting sources | Consensus |
|---|---|---|
| Seed | 1 supporting sources | ★☆☆☆☆ |
Seed
- Journal of oleo science
Preparations
Phleum pratense has 1 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include seed oils.
| Preparation | Supporting sources | Consensus |
|---|---|---|
| Seed oils | 1 supporting sources | ★☆☆☆☆ |
Seed oils
- Journal of oleo science