Chinese Wingnut

Names and Synonyms

Common Names

• Chinese Wing-Nut

Scientific Names

Accepted name

Synonyms

• Acer mairei
• Pterocarya chinensis
• Pterocarya stenoptera var. zhijiangensis
• Pterocarya japonica
• Pterocarya laevigata
• Pterocarya stenoptera var. brevialata
• Pterocarya stenoptera var. kouitchensis
• Pterocarya stenoptera var. sinensis
• Pterocarya esquirolii

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta within the class Equisetopsida. It is further classified under the subclass Magnoliidae and the order Fagales. Finally, it is a member of the family Juglandaceae and is situated within the genus Pterocarya.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse geographical distribution spanning several key regions across Asia. In Central Asia, its presence is specifically noted within Tajikistan. Moving toward the Caucasus, it can be found throughout the North Caucasus and the Transcaucasus regions. Within China, the species is widely distributed across China South-Central. Additionally, its range extends to the southern island province of Hainan.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Pterocarya stenoptera is characterized by its status as a perennial species, establishing long-term presence within its natural habitat through a sustained growth cycle. As a long-lived woody plant, it does not follow the rapid turnover of annuals or the shorter duration of biennials, but instead invests in robust structural development to maintain physiological functions over many years. Its developmental trajectory involves an initial establishment phase where the seedling develops a deep root system, followed by a prolonged period of vegetative growth and seasonal maturation. The life cycle is marked by distinct seasonal rhythms, including periods of active foliage production and nutrient storage, culminating in periodic reproductive phases where it produces winged samaras for wind dispersal. This perennial nature allows the species to undergo successive years of growth, reproduction, and dormancy, ensuring its persistence and ability to compete within its ecological niche.

Lifecycle :

perennial

Morphology

The morphology of Pterocarya stenoptera is characterized by its growth form as a large, woody tree. As a self-supporting species, it does not exhibit climbing habits such as a liana or vine, nor does it function as an obligatory or facultative climber. The plant is an independent organism, lacking any parasitic tendencies, and is classified as terrestrial rather than an epiphyte. In terms of its ecological habitat, it is categorized as a terrestrial plant, distinguishing it from aquatic or semiaquatic species. Its structural integrity is defined by its solid woody nature, supporting its stature as a prominent tree in its natural environment.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Woodiness :

woody

Physiology

The physiology of Pterocarya stenoptera is characterized by a C3 photosynthetic pathway, which dictates its carbon fixation processes and metabolic efficiency in temperate environments. In terms of its structural and mechanical properties, the plant exhibits a stem specific density (SSD) with a mean value of 371 mg/cm³, a metric that reflects the density of its woody tissues and contributes to its overall structural integrity and resource allocation strategies.

Photosynthetic pathway :

C3

Stem specific density (SSD) mean:

371 mg/cm³

Reproduction

Reproduction in Pterocarya stenoptera is characterized by the production of seeds that exhibit specific mass variations within the species. The seed mass typically follows a narrow range, with an observed mean mass of approximately 0.069073333 g. Detailed measurements of individual seeds reveal a minimum mass of 0.0604 g and a maximum mass of 0.08065 g, indicating a relatively consistent size distribution among the progeny produced by the plant.

Seed mass max:

0.08065 g

Seed mass mean:

0.069073333 g

Seed mass min:

0.0604 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Pterocarya stenoptera 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 leaf.

Leaf

1. Natural product research

Chemicals

Pterocarya stenoptera has 1 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include Caryophyllene oxide.

Caryophyllene oxide

1. Natural product research

Preparations

Pterocarya stenoptera has 1 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include essential oil.

Essential oil

1. Natural product research