Pinus funebris

Names and Synonyms

Common Names

• Japanese Pine
• Japanese Red-Pine
• Japanese Red Pine
• Japanese umbrella pine
• tanyosho pine

Scientific Names

Accepted name

Synonyms

• Pinus densiflora f. aurea
• Pinus densiflora f. brevifolia
• Pinus densiflora var. albifolia
• Pinus densiflora var. aurea
• Pinus densiflora var. oculus-draconis
• Pinus densiflora f. aurescens
• Pinus densiflora f. erecta
• Pinus densiflora f. congesta
• Pinus densiflora var. funebris
• Pinus densiflora subsp. funebris
• Pinus densiflora f. sylvestriformis
• Pinus densiflora var. sylvestriformis
• Pinus densiflora subsp. zhangwuensis
• Pinus densiflora var. liaotungensis
• Pinus densiflora var. brevifolia
• Pinus densiflora var. aureovariegata-pendula
• Pinus densiflora f. nigricorticalis
• Pinus densiflora var. oculus-draconis-pendula
• Pinus densiflora var. pendula
• Pinus densiflora f. liaotungensis
• Pinus densiflora var. zhangwuensis
• Pinus densiflora var. globosa
• Pinus scopifera
• Pinus densiflora var. umbraculifera
• Pinus funebris
• Pinus densiflora f. umbraculifera
• Pinus sylvestris subsp. densiflora
• Pinus densiflora f. globosa
• Pinus sylvestris var. sylvestriformis
• Pinus densiflora f. pendula
• Pinus densiflora f. oculus-draconis
• Pinus densiflora f. aggregata
• Pinus densiflora f. vittata
• Pinus densiflora f. multicaulis

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae within the phylum Streptophyta and the class Equisetopsida. It is further classified under the subclass Pinidae and the order Pinales, falling into the family Pinaceae. Ultimately, it is identified by the genus Pinus.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad distribution across various regions of Eastern Asia. In the Russian Far East, its presence is specifically noted within the Primorye region. Its range extends significantly into China, where it can be found in both Manchuria and the North-Central areas. Furthermore, the species is widely distributed across the Korean Peninsula. Finally, it is a common feature of the natural landscape throughout Japan.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Pinus densiflora is primarily defined by its preference for mountainous terrains, where it thrives in diverse topographical settings ranging from low-lying hills to high-altitude slopes. As a pioneer species, it is highly adapted to colonizing open, well-lit environments, often establishing itself in areas following disturbances such as forest fires or clearings. It typically occupies acidic, well-drained soils and exhibits a high degree of tolerance to varying sunlight intensities, though it favors full sun to maintain vigor. Its distribution is closely tied to temperate climatic conditions, allowing it to form dominant stands in montane forest ecosystems where it plays a crucial role in soil stabilization and nutrient cycling within its specific altitudinal niche.

Habitat :

mountains

Life history

The life history of Pinus densiflora is characterized by its classification as a phanerophyte, a life form where the perennating buds are elevated on woody branches well above the ground level. Within this classification, it functions primarily as a phanerophyte, ensuring its survival through seasonal changes by maintaining its reproductive and vegetative structures on long-lived, woody stems. As a perennial conifer, its life cycle begins with the germination of seeds produced in woody cones, leading to a slow-growing juvenile phase that eventually transitions into a mature, long-lived tree. This life form strategy allows the species to dominate various forest ecosystems, utilizing its elevated canopy to optimize light interception and withstand climatic fluctuations.

Life form :

phanerophyte

Morphology

The morphology of Pinus densiflora is characterized by its growth form as a woody, self-supporting tree. It functions as an independent organism rather than a parasite or an epiphyte, maintaining a strictly terrestrial existence. The plant typically reaches a height ranging from a minimum of 6 m to a maximum of 12 m. As a self-supporting tree, it does not exhibit climbing habits such as lianas or vines, instead relying on its robust, woody structure to maintain its stature.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

12 m

Plant height min:

6 m

Woodiness :

woody

Physiology

The physiology of Pinus densiflora is characterized by a C3 photosynthetic pathway, utilizing the standard Calvin cycle to fix atmospheric carbon dioxide. This metabolic strategy is typical of most coniferous species, allowing the plant to thrive in temperate environments through efficient enzymatic carbon assimilation. In addition to its metabolic processes, the structural integrity of the plant is reflected in its wood properties, specifically exhibiting a stem specific density (SSD) with a mean value of 490 mg/cm³. This density profile influences the plant's hydraulic conductance, mechanical strength, and overall resource allocation strategies within its ecosystem.

Photosynthetic pathway :

C3

Stem specific density (SSD) mean:

490 mg/cm³

Reproduction

The reproduction of Pinus densiflora is governed by a complex process of wind pollination and seed development typical of gymnosperms. The reproductive cycle begins with the development of male and female cones on the same tree, facilitating cross-pollination via wind-borne pollen. Once fertilization occurs, the plant produces winged seeds designed for dispersal. The physical characteristics of these seeds are highly specific; they exhibit a mean seed mass of 0.00942 g. Within the population, there is slight natural variation in seed size, with individual seed masses ranging from a minimum of 0.00872 g to a maximum of 0.0105 g. This precise mass range is critical for the seed's ability to remain buoyant in air currents, ensuring effective distribution across suitable forest habitats.

Seed mass max:

0.0105 g

Seed mass mean:

0.00942 g

Seed mass min:

0.00872 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Pinus densiflora has 4 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Epigallocatechin, Epigallocatechin gallate, asparagine, catechin gallate.

Epigallocatechin

1. Annals of the New York Academy of Sciences

Epigallocatechin gallate

1. Annals of the New York Academy of Sciences

asparagine

1. Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan

catechin gallate

1. Annals of the New York Academy of Sciences

Activities

Pinus densiflora has 4 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antimutagenic, Antioxidant, Antiproliferative, Antitumor.

Antimutagenic

1. Nutrition and cancer

Antioxidant

1. Nutrition and cancer

Antiproliferative

1. Nutrition and cancer

Antitumor

1. Nutrition and cancer

Conditions

Pinus densiflora has 4 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include Diabetic Retinopathy, Uveitis, cancer, stroke.

Diabetic retinopathy

1. Current topics in medicinal chemistry

Uveitis

1. Current topics in medicinal chemistry

Cancer

1. Nutrition and cancer

Stroke

1. Journal of medicinal food

Preparations

Pinus densiflora has 2 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include Plant sap, aqueous extracts.

Plant sap

1. Journal of functional biomaterials

Aqueous extracts

1. Journal of medicinal food