Helwingia chinensis

Names and Synonyms

Scientific Names

Accepted name

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, specifically classified under the class Equisetopsida and subclass Magnoliidae. Within the order Aquifoliales, it is a member of the family Helwingiaceae. It is further categorized under the genus Helwingia, with the specific species being Helwingia chinensis.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad distribution across several key regions in East and Southeast Asia. Within China, it can be found spanning the South-Central, North-Central, and Southeast territories. Its range also extends into the Indo-China peninsula, where it is native to Myanmar. Furthermore, the species is well-established within the tropical landscapes of Thailand. Together, these locations highlight the diverse environmental adaptability of Helwingia chinensis.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Helwingia chinensis is closely defined by its specific altitudinal distribution within montane ecosystems. This species typically thrives in mid-to-high elevation environments, occupying a broad vertical niche that begins at a minimum elevation of 1000 m AMSL. Its presence is most concentrated around a mean elevation of 1575 m AMSL, where environmental conditions such as temperature, humidity, and soil composition are most favorable for its growth. The plant's ecological range extends significantly upward, reaching a maximum elevation of 2400 m AMSL, allowing it to inhabit various subalpine and montane forest strata.

Elevational range max:

2400 m AMSL

Elevational range mean:

1575 m AMSL

Elevational range min:

1000 m AMSL

Life history

The life history of Helwingia chinensis is characterized by its classification as a perennial plant, ensuring its presence in the ecosystem across multiple growing seasons. Structurally, the species exhibits dual life form characteristics depending on the specific growth stage or ecological context, functioning as a phanerophyte with visible stem development, while also displaying traits consistent with a nanophanerophyte. Throughout its life cycle, the plant maintains an evergreen deciduousness, retaining its foliage year-round to sustain photosynthetic activity, which distinguishes its physiological rhythm from deciduous species.

Deciduousness :

evergreen

Life form :

nanophanerophyte

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Helwingia chinensis is characterized by its growth form as a woody shrub. This terrestrial species functions as an independent organism and does not exhibit parasitic or epiphytic behavior. In terms of stature, the plant is self-supporting rather than a climber, typically reaching a mean height of 1.5 m, with individual specimens ranging from a minimum height of 1 m to a maximum height of 2 m.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

shrub

Parasite :

independent

Plant height max:

2 m

Plant height mean:

1.5 m

Plant height min:

1 m

Woodiness :

woody

Physiology

The physiological characteristics of the foliage in Helwingia chinensis are defined by a significant range of morphological dimensions that facilitate its photosynthetic processes. The leaf length exhibits considerable variability, with a minimum measurement of 4 cm, a mean length of 8.25 cm, and a maximum extension reaching up to 15 cm. This longitudinal variation is complemented by a distinct breadth in leaf width, which fluctuates from a minimum of 0.4 cm to a maximum of 4 cm. These specific measurements indicate a flexible surface area adaptation, allowing the plant to optimize light interception and gas exchange through its varying leaf dimensions.

Leaf length max:

15 cm

Leaf length mean:

8.25 cm

Leaf length min:

4 cm

Leaf width max:

4 cm

Leaf width min:

0.4 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Helwingia chinensis has 4 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include CINNAMIC ACID, Friedelin, Luteolin 7-O-beta-D-glucoside, alpha-Amyrin.

CINNAMIC ACID

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Friedelin

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Luteolin 7-O-beta-D-glucoside

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

alpha-Amyrin

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica