Ulmus elongata

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, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Rosales, it is classified under the family Ulmaceae. Finally, its specific taxonomic identity is defined by the genus Ulmus.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is primarily found in the specific region of Southeast China. Its natural habitat is concentrated within this particular geographical area, making it a characteristic species of the local flora. Because its range is so localized, researchers often focus their botanical studies on these southeastern provinces. This restricted distribution suggests that the species thrives under the unique environmental conditions provided by this part of the country. Consequently, understanding its ecological niche is essential for studying its presence in Southeast China.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Ulmus elongata is characterized by its specific altitudinal distribution within its natural habitat, where it occupies a distinct vertical niche. The species thrives across an elevational range that spans from a minimum of 250 m AMSL to a maximum of 900 m AMSL. Within this ecological gradient, the plant maintains a mean elevation of approximately 575 m AMSL, indicating a preference for mid-to-low altitude environments. This specific range suggests that the species is adapted to the particular climatic conditions, such as temperature fluctuations and moisture availability, found within these specific topographical levels.

Elevational range max:

900 m AMSL

Elevational range mean:

575 m AMSL

Elevational range min:

250 m AMSL

Life history

The life history of Ulmus elongata is characterized by a perennial growth cycle that is heavily influenced by seasonal transitions, most notably its status as a deciduous species. Throughout its developmental stages, the plant undergoes a rhythmic cycle of foliage emergence and senescence; during the favorable growing seasons, it invests energy into expanding its canopy, but as environmental conditions shift, it enters a period of dormancy. This deciduous nature ensures that the plant sheds its leaves annually, a survival mechanism that helps regulate water loss and withstand period of physiological stress. As the plant matures from a seedling into a woody specimen, its life history is marked by this consistent pattern of seasonal leaf drop and regrowth, distinguishing its physiological rhythm from evergreen or variable counterparts within the same genus.

Deciduousness :

deciduous

Morphology

The morphology of Ulmus elongata is characterized by its growth form as a woody tree. It is a self-supporting plant that reaches a consistent height, with both its minimum and maximum recorded measurements and mean height standardized at 30 m.

Climber :

self-supporting

Growth form :

tree

Plant height mean:

30 m

Woodiness :

woody

Physiology

The physiological characteristics of Ulmus elongata are defined by specific morphological parameters that influence its metabolic and structural functions. Central to its vegetative development is the regulation of leaf dimensions, which serve as a primary site for photosynthetic activity and transpiration. Based on documented physiological data, the leaf length exhibits a highly consistent profile, with a mean leaf length of 0.1 cm. This measurement is mirrored by the maximum leaf length, which also reaches a value of 0.1 cm, indicating a lack of significant morphological variance in this specific parameter during its growth stages. Such precise leaf measurements suggest a specialized structural adaptation that governs the plant's surface area-to-volume ratio, directly impacting its gas exchange efficiency and hydraulic conductivity within its ecological niche.

Leaf length max:

0.1 cm

Reproduction

The reproduction of Ulmus elongata is characterized by the development of specific fruit structures that exhibit distinct morphological dimensions. The fruits produced by this species vary in length, ranging from a minimum of 2 cm to a maximum of 2.5 cm, with a calculated mean length of 2.25 cm. In terms of width, the fruits demonstrate highly consistent measurements, maintaining a uniform width of 0.3 cm, which is reflected in the minimum, maximum, and mean values of 0.3 cm respectively. These precise dimensions of the fruit provide essential data for identifying the reproductive stage and maturity of the plant.

Fruit length max:

2.5 cm

Fruit length mean:

2.25 cm

Fruit length min:

2 cm

Fruit width max:

0.3 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Ulmus elongata 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 stem.

Stem

1. Natural product research

Chemicals

Ulmus elongata has 1 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include Coumarin derivative.

Coumarin derivative

1. Natural product research