Stereospermum fimbriatum

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Stereospermum mekongense
• Bignonia fimbriata

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae within the phylum Streptophyta and is classified under the class Equisetopsida. As a member of the subclass Magnoliidae and the order Lamiales, it is further categorized into the family Bignoniaceae. Finally, its specific taxonomic placement is within the genus Stereospermum.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific geographical distribution across several distinct regions in Southeast Asia. Within the Indo-China territory, it can be found growing in the countries of Laos and Myanmar. It also inhabits various parts of Thailand, further extending its presence across the Indo-Chinese peninsula. Moving toward the Malesia region, the species is documented in Malayا. Consequently, its range spans a diverse ecological landscape from mainland Southeast Asia to the Malay Peninsula.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Stereospermum fimbriatum is characterized by its classification as a phanerophyte, specifically manifesting as both a phanerophyte and a nanophanerophyte. As a phanerophyte, its perennating buds are located high above the soil surface on aerial shoots, allowing the plant to maintain a persistent woody structure through various seasonal cycles. Within this framework, its growth habit can also be described as a nanophanerophyte, indicating a relatively small-statured woody form where the protective buds are held at a low height above the ground. This life strategy enables the species to endure environmental fluctuations by protecting its reproductive and vegetative buds on elevated branches, ensuring its long-term survival and ability to regenerate following seasonal changes.

Life form :

phanerophyte

Morphology

The morphology of Stereospermum fimbriatum is characterized by its robust growth form, functioning as a woody tree that reaches a maximum plant height of approximately 30 meters. As a self-supporting climber, it exhibits a liana or vine-like habit that allows it to navigate its environment, though it maintains a structurally independent and self-supporting nature. The plant is strictly terrestrial rather than epiphytic, and it operates as an independent organism without any parasitic tendencies. Its structural integrity is defined by its woody composition, supporting its significant vertical reach within its ecological niche.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

30 m

Woodiness :

woody

Physiology

The physiology of Stereospermum fimbriatum is characterized by its metabolic efficiency and adaptation to tropical environments, primarily governed by its C3 photosynthetic pathway. As a C3 plant, it utilizes the Calvin cycle to fix atmospheric carbon dioxide directly through the enzyme RuBisCO, which is typical for many woody species in forested ecosystems. This metabolic process involves the initial fixation of CO2 into a three-carbon compound, facilitating the production of carbohydrates required for its growth and structural development. The plant's physiological performance is closely linked to its ability to manage transpiration and gas exchange through its stomata, balancing the intake of carbon dioxide with the loss of water vapor to maintain turgor pressure and metabolic stability. This C3 mechanism dictates its optimal growing conditions, favoring environments where temperature and moisture levels support efficient carbon assimilation without the high photorespiratory costs often associated with warmer, more arid climates.

Photosynthetic pathway :

C3

Sources: Global Inventory of Floras and Traits (GIFT)

Activities

Stereospermum fimbriatum has 3 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Analgesic, Antimicrobial, Antioxidant.

Analgesic

1. Current pharmaceutical biotechnology

Antimicrobial

1. Current pharmaceutical biotechnology

Antioxidant

1. Current pharmaceutical biotechnology

Conditions

Stereospermum fimbriatum has 1 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include earache.

Earache

1. Current pharmaceutical biotechnology