green-stemmed forsythia

Names and Synonyms

Common Names

• green-stemmed forsythia
• Greenish-flowered Forsythia

Scientific Names

Accepted name

Synonyms

• Rangium viridissimum
• Rangium koreanum var. fertile
• Forsythia viridissima var. bronxensis
• Forsythia viridissima var. incisa

Regional and Traditional Names

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 is further organized into the order Lamiales and the family Oleaceae. Finally, its specific taxonomic identity is established under the genus Forsythia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse geographical range spanning several key regions across Eurasia. In Southwestern Europe, its presence can be identified specifically within Spain. Moving toward Southeastern Europe, it is also documented to grow in Bulgaria. Within the vast territory of China, the species is widely distributed across both the South-Central and Southeast regions. Finally, its distribution extends into Eastern Asia, where it is native to Japan.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Forsythia viridissima is defined by its specific altitudinal distribution, which allows it to inhabit diverse montane environments. This species thrives across a significant vertical gradient, ranging from lower montane zones at a minimum elevation of 300 m AMSL to high-altitude habitats reaching a maximum of 2600 m AMSL. Throughout its natural range, the plant maintains a mean elevation of approximately 1450 m AMSL, suggesting a preference for mid-elevation ecological niches where temperature and moisture levels are optimally balanced for its growth and medicinal potency.

Elevational range max:

2600 m AMSL

Elevational range mean:

1450 m AMSL

Elevational range min:

300 m AMSL

Life history

The life history of Forsythia viridisima is characterized by its status as a perennial species, ensuring its persistence through multiple growing seasons. As a phanerophyte, the plant maintains its conducting shoots well above the ground level, providing a robust structural framework for its development. This growth habit is complemented by its deciduous nature, meaning the plant sheds its foliage annually as part of its seasonal cycle. Furthermore, its classification as a nanophanerophyte highlights a specific growth form where the woody stems are relatively short, influencing its overall architectural presence in its natural habitat.

Deciduousness :

deciduous

Life form :

nanophanerophyte

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Forsythia viridissima is characterized by its growth form as a woody shrub, exhibiting a self-supporting structure rather than a climbing or liana habit. As a terrestrial plant, it does not function as an epiphyte or an aquatic species, and it maintains an independent life cycle without parasitic behavior. In terms of physical dimensions, the plant typically reaches a height ranging from a minimum of 1 meter to a maximum of 3 meters, with a mean height of approximately 3 meters.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

shrub

Parasite :

independent

Plant height mean:

3 m

Plant height min:

1 m

Woodiness :

woody

Physiology

The physiology of Forsythia viridissima is characterized by a C3 photosynthetic pathway, which dictates its carbon fixation processes and metabolic efficiency in temperate environments. As a non-carnivorous species, it relies entirely on autotrophic nutrient acquisition through soil uptake and photosynthesis rather than the digestion of prey. The morphology of its foliage plays a critical role in its gas exchange and light interception, with leaf dimensions exhibiting significant variability. The leaves typically maintain a mean length of 9.25 cm, though they can range from a minimum of 3.5 cm to a maximum of 15 cm. Correspondingly, the leaf width fluctuates between a minimum of 1 cm and a maximum of 4 cm, with a mean width of 2.5 cm, providing a structured surface area optimized for its specific ecological niche.

Carnivory :

non-carnivorous

Leaf length max:

15 cm

Leaf length mean:

9.25 cm

Leaf length min:

3.5 cm

Leaf width max:

4 cm

Leaf width mean:

2.5 cm

Leaf width min:

1 cm

Photosynthetic pathway :

C3

Reproduction

The reproduction of Forsythia viridissima is characterized by a specific seasonal flowering period and the development of specialized fruit structures. The flowering process typically begins in March and concludes in April, though the timing can be variable. Following pollination, the plant produces fruit in the form of a capsule. These capsules exhibit specific dimensions, with a mean length of 1.25 cm, ranging from a minimum of 1 cm to a maximum of 1.5 cm. In terms of width, the fruit maintains a mean measurement of 0.8 cm, with a minimum width of 0.6 cm and a maximum width of 1 cm. Upon maturity, the fruit is dehiscent, meaning it naturally splits open to facilitate the release of its seeds.

Dehiscence :

dehiscent

Flowering time :

Mar

Flowering time :

Apr

Fruit length max:

1.5 cm

Fruit length mean:

1.25 cm

Fruit length min:

1 cm

Fruit type :

capsule

Fruit width max:

1 cm

Fruit width mean:

0.8 cm

Fruit width min:

0.6 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Forsythia viridissima has 10 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Acteoside, Arctigenin, Forsythin, Forsythoside A, Lignans.

Acteoside

1. Journal of natural medicines

Arctigenin

1. Journal of natural medicines

Forsythin

1. Journal of natural medicines

Forsythoside A

1. Journal of natural medicines

Lignans

1. Journal of natural medicines

Mellein

1. World journal of microbiology & biotechnology

RAMULOSIN

1. World journal of microbiology & biotechnology

RUTIN

1. Journal of natural medicines

betulinic acid

1. Dr. Duke

butanedioic acid

1. World journal of microbiology & biotechnology

Activities

Forsythia viridissima has 18 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Anthelmintic, AntiHIV, Antibacterial, Anticancer, Anticarcinomic.

Anthelmintic

1. Dr. Duke

AntiHIV

1. Dr. Duke

Antibacterial

1. Dr. Duke

Anticancer

1. Dr. Duke

Anticarcinomic

1. Dr. Duke

Antiedemic

1. Dr. Duke

Antiinflammatory

1. Dr. Duke

Antileukemic

1. Dr. Duke

Antimalarial

1. Dr. Duke

Antimelanomic

1. Dr. Duke

Preparations