oval-leaf lyonia

Names and Synonyms

Common Names

• oval-leaf lyonia

Scientific Names

Accepted name

Synonyms

• Pieris ovalifolia
• Xolisma ovalifolia
• Pieridia ovalifolia
• Andromeda ovalifolia

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, known scientifically as Lyonia ovalifolia, belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is classified under the order Ericales and the family Ericaceae. Its taxonomic hierarchy concludes with its placement in the genus Lyonia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a wide-ranging presence across various regions of China. Its distribution begins in the South-Central parts of the country, where it establishes itself in specific local environments. Furthermore, it can be found on the tropical island of Hainan as well as across the North-Central provinces. The species is also common throughout China Southeast, adding to its widespread availability. Finally, its range extends to the high-altitude landscapes of Tibet, completing its diverse geographical profile.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Lyonia ovalifolia is closely tied to its specific altitudinal distribution, which dictates the climatic conditions and environmental stressors the species encounters. It thrives across a broad vertical gradient, occupying diverse montane habitats ranging from lower elevations to high-altitude zones. Specifically, the species is found at a minimum elevation of 700 m AMSL, allowing it to inhabit warmer, potentially more densely vegetated lower slopes. As the terrain rises, the plant reaches a mean elevation of approximately 1750 m AMSL, representing its most characteristic ecological niche. The species demonstrates significant environmental plasticity by extending its range up to a maximum elevation of 2900 m AMSL, where it must adapt to thinner air, increased ultraviolet exposure, and more pronounced temperature fluctuations characteristic of higher montane ecosystems.

Elevational range max:

2900 m AMSL

Elevational range mean:

1750 m AMSL

Elevational range min:

700 m AMSL

Life history

The life history of Lyonia ovalifolia is characterized by its nature as a perennial plant, allowing it to persist through multiple growing seasons rather than completing its cycle in a single year. Throughout its existence, it maintains a consistent foliage profile due to its evergreen deciduousness, ensuring that its leaves remain functional and present across different seasonal shifts.

Deciduousness :

evergreen

Lifecycle :

perennial

Morphology

The morphology of Lyonia ovalifolia is characterized by a woody growth form, specifically manifesting as a tree. It exhibits a significant stature, with plant heights ranging from a minimum of 8 m to a maximum of 16 m, maintaining an average height of approximately 12 m. Although it possesses characteristics associated with climbing habits—being described as a self-supporting liana or vine—it functions as a self-supporting structure rather than an obligatory or facultative climber. As an independent organism, it does not exhibit parasitic behavior and is classified as a terrestrial species rather than an epiphyte.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

16 m

Plant height mean:

12 m

Plant height min:

8 m

Woodiness :

woody

Physiology

The physiology of Lyonia ovalifolia is characterized by a C3 photosynthetic pathway, suggesting an adaptation to environments where water availability is relatively stable compared to C4 or CAM species. Its vegetative structure is defined by cordate-shaped leaves that feature entirely smooth margins, notably lacking any leaf thorns or spines. The leaf dimensions typically range from a minimum length of 8 cm to a maximum of 10 cm, with a mean length of 9 cm, while the width fluctuates between a minimum of 4 cm and a maximum of 5.8 cm. Furthermore, the plant exhibits specific leaf area (SLA) values that indicate its resource allocation strategies, with a recorded minimum SLA of 183.7466364 cm²/g, a mean SLA of 198.36339525 cm²/g, and a maximum SLA reaching 212.9801541 cm²/g.

Leaf form :

cordate

Leaf length max:

10 cm

Leaf length mean:

9 cm

Leaf length min:

8 cm

Leaf margin :

entire

Leaf spines :

no

Leaf thorns :

no

Leaf width max:

5.8 cm

Leaf width min:

4 cm

Photosynthetic pathway :

C3

Specific Leaf Area (SLA) max:

212.9801541 cm²/g

Specific Leaf Area (SLA) mean:

198.36339525 cm²/g

Specific Leaf Area (SLA) min:

183.7466364 cm²/g

Reproduction

The reproduction of Lyonia ovalifolia is characterized by a specific flowering season and the development of small, uniform fruits. The flowering period typically commences in May and continues through until August. Following pollination, the plant produces fruits that are notably small in dimension. These fruits exhibit a mean length and width of 0.45 cm, with individual measurements ranging from a minimum of 0.4 cm to a maximum of 0.5 cm in both length and width.

Flowering time :

May

Flowering time :

Aug

Fruit length max:

0.5 cm

Fruit length mean:

0.45 cm

Fruit length min:

0.4 cm

Fruit width max:

0.5 cm

Fruit width mean:

0.45 cm

Fruit width min:

0.4 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Lyonia ovalifolia has 1 reported plant parts identified across 2 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include leaf.

Leaf

1. Journal of Asian natural products research
2. Journal of natural products

Chemicals

Lyonia ovalifolia has 7 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include Astilbin, ERIODICTYOL, Leucothol A, Leucothol B, Monoterpenes.

Astilbin

1. Frontiers in pharmacology

ERIODICTYOL

1. Frontiers in pharmacology

Leucothol A

1. Frontiers in pharmacology

Leucothol B

1. Frontiers in pharmacology

Monoterpenes

1. Journal of Asian natural products research

Syringaresinol

1. Frontiers in pharmacology

luteolin

1. Frontiers in pharmacology

Activities

Lyonia ovalifolia has 3 reported activities identified across 2 scientific publications and several other databases. The most consistently reported activities include Antibacterial, Antioxidant, Antiviral.

Antibacterial

1. Journal of experimental pharmacology

Antioxidant

1. Journal of experimental pharmacology

Antiviral

1. Journal of natural products

Medicinal Uses

Lyonia ovalifolia has 3 reported medicinal uses identified across 2 scientific publications and several other databases. The most consistently reported uses include Diabetes mellitus, antioxidant activity, diabetes mellitus.

Most Reported Uses

Preparations