Trivalvaria costata

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Trivalvaria pumila
• Polyalthia costata
• Popowia pumila
• Ellipeia costata
• Guatteria costata
• Ellipeia pumila
• Polyalthia oligogyna
• Polyalthia nemoralis
• Polyalthia montana

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 and order Magnoliales, it is a member of the family Annonaceae. Its specific taxonomic designation is within the genus Trivalvaria, specifically identified as Trivalvaria costata.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad geographical distribution across several distinct Asian regions. Within China, its presence is specifically noted in the Hainan province. In the Indian Subcontinent, it can be found growing in both Assam and Bangladesh. The species also extends into the Indo-China region, covering territories in Laos. Finally, its range includes Myanmar, completing its presence across these diverse landscapes.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Trivalvaria costata is characterized by its status as a perennial organism, allowing it to persist through multiple growing seasons and establish a stable presence within its ecological niche. As a plant, it adopts a phanerophyte life form, specifically categorized as a phanerophyte, which indicates that its perennating buds are located high above the ground on woody stems or branches, protecting them from seasonal environmental stressors. This growth strategy facilitates its long-term survival and structural development within its natural habitat.

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Trivalvaria costata is characterized by its woody growth form, primarily manifesting as a tree. It exhibits a climbing habit that can be described as a self-supporting liana or vine, functioning through both obligatory and facultative mechanisms. In terms of stature, the plant reaches a maximum height of approximately 3 m, with a recorded mean plant height of 5 m, reflecting its structural development as a woody species.

Climber :

self-supporting

Growth form :

tree

Plant height max:

3 m

Plant height mean:

5 m

Woodiness :

woody

Physiology

The physiological architecture of Trivalvaria costata is characterized by distinct morphological variations in its foliage, which play a critical role in its photosynthetic efficiency and environmental adaptation. The leaf dimensions exhibit significant plasticity, with lengths ranging from a minimum of 9 cm to a maximum of 18 cm, resulting in a calculated mean leaf length of 13.5 cm. Complementing this longitudinal variation is a corresponding breadth in the leaf blade, where widths fluctuate between a minimum of 2 cm and a maximum of 6 cm. These specific leaf parameters facilitate the plant's ability to manage light interception and gas exchange within its ecological niche, as the variance in surface area—governed by these length and width constraints—directly influences the specimen's transpiration rates and metabolic capacity.

Leaf length max:

18 cm

Leaf length mean:

13.5 cm

Leaf length min:

9 cm

Leaf width max:

6 cm

Leaf width min:

2 cm

Reproduction

The reproduction of Trivalvaria costata involves the production of small, distinct fruits that exhibit specific morphological variations in size. The dimensions of these fruits are characterized by a relatively narrow length compared to their width, with the fruit length ranging from a minimum of 0.1 cm to a maximum of 0.15 cm, resulting in an average length of 0.125 cm. In contrast, the fruit width shows a broader range and larger scale, measuring between a minimum of 0.8 cm and a maximum of 1 cm, with a mean width of 0.9 cm. This specific size distribution of the fruit is a critical component of the plant's reproductive cycle and dispersal mechanism.

Fruit length max:

0.15 cm

Fruit length mean:

0.125 cm

Fruit length min:

0.1 cm

Fruit width max:

1 cm

Fruit width mean:

0.9 cm

Fruit width min:

0.8 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Trivalvaria costata has 3 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Heteropsine, Bidebiline A, Urabaine.

Heteropsine

1. Biochemical and biophysical research communications
2. Phytochemistry

Bidebiline A

1. Biochemical and biophysical research communications

Urabaine

1. Phytochemistry