Rubus biflorus

Names and Synonyms

Scientific Names

Accepted name

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and class Equisetopsida. Within the subclass Magnoliidae, it falls under the order Rosales and the family Rosaceae. Finally, it is identified by its genus, Rubus.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse range of habitats across various regions of Asia. Within China, its presence is noted in the South-Central and North-Central territories. It also extends its reach into the high-altitude regions of Tibet. Moving toward the Indian Subcontinent, the species can be found growing in Assam. Finally, its distribution encompasses the rugged terrain of the East Himalaya.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Rubus biflorus is fundamentally defined by its distribution across high-altitude montane environments, where it occupies a specific vertical niche within the landscape. The species demonstrates a broad altitudinal tolerance, thriving at elevations ranging from a minimum of 1500 m AMSL to a maximum of 3500 m AMSL. Within this ecological gradient, the plant reaches its optimal presence at a mean elevation of approximately 2500 m AMSL, suggesting a preference for the climatic conditions typical of mid-to-high mountain zones. This elevational positioning dictates its interaction with temperature fluctuations, moisture availability, and soil compositions characteristic of subalpine or montane ecosystems.

Elevational range max:

3500 m AMSL

Elevational range mean:

2500 m AMSL

Elevational range min:

1500 m AMSL

Life history

The life history of Rubus biflorus is characterized by its status as a perennial plant, meaning it completes its reproductive cycle over multiple years rather than dying after a single season. As a perennial species, it maintains a persistent presence in its habitat, often utilizing underground structures or woody stems to survive dormant periods between active growing seasons. This long-term survival strategy allows the plant to establish robust root systems and accumulate the necessary energy reserves to support repeated flowering and fruiting cycles throughout its lifespan.

Lifecycle :

perennial

Morphology

The morphology of Rubus biflorus is characterized by a woody growth form, primarily manifesting as a shrub. It functions as a self-supporting plant, exhibiting neither obligatory nor facultative climbing tendencies, such as those seen in lianas or vines. The plant reaches a height ranging from a minimum of 1 m to a maximum of 3 m, with an average height of approximately 2 m. As a terrestrial species, it is an independent organism that does not exhibit parasitic behavior.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

shrub

Parasite :

independent

Plant height max:

3 m

Plant height mean:

2 m

Plant height min:

1 m

Woodiness :

woody

Physiology

The physiology of Rubus biflorus is characterized by a C3 photosynthetic pathway, which dictates its carbon fixation processes and metabolic efficiency in its specific environmental niche. The morphological dimensions of its foliage reflect a specific physiological investment in surface area for light interception, with leaf lengths ranging from a minimum of 2.5 cm to a maximum of 5 cm, maintaining a mean length of 3.75 cm. Complementing this longitudinal variation, the leaf width fluctuates between a minimum of 1.5 cm and a maximum of 4 cm, contributing to the overall structural architecture of the photosynthetic organs.

Leaf length max:

5 cm

Leaf length mean:

3.75 cm

Leaf length min:

2.5 cm

Leaf width max:

4 cm

Leaf width min:

1.5 cm

Photosynthetic pathway :

C3

Reproduction

The reproduction of Rubus biflorus is characterized by a specific flowering season and the development of distinct fruit morphology. The flowering period typically commences in April and concludes in May, though the timing can be variable across different seasonal cycles. During the blooming stage, the flowers exhibit a length ranging from a minimum of 1.5 cm to a maximum of 2 cm. Following successful pollination, the plant produces fruit with consistent dimensional traits; the fruit length ranges from a minimum of 1 cm to a mean of 1.25 cm, reaching a maximum of 1.5 cm. Similarly, the fruit width varies from a minimum of 1 cm to a mean of 1.25 cm, with a maximum width of 1.5 cm.

Flower length max:

2 cm

Flower length min:

1.5 cm

Flowering time :

Apr

Flowering time :

May

Fruit length max:

1.5 cm

Fruit length mean:

1.25 cm

Fruit length min:

1 cm

Fruit width max:

1.5 cm

Fruit width mean:

1.25 cm

Fruit width min:

1 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Rubus biflorus 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 root.

Root

1. Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials

Chemicals

Rubus biflorus has 5 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include 2alpha-hydroxyoleanolic acid, Corosolic acid, Lupeol acetate, Oleanic acid, Sitosterol.

2alpha-hydroxyoleanolic acid

1. Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials

Corosolic acid

1. Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials

Lupeol acetate

1. Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials

Oleanic acid

1. Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials

Sitosterol

1. Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials

Preparations

Rubus biflorus has 1 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include root of Rubus biflorus.

Root of rubus biflorus

1. Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials