Segera

Names and Synonyms

Common Names

• Segera

Scientific Names

Accepted name

Synonyms

• Hearnia elliptica

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, Aglaia elliptica, belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is classified under the order Sapindales and the family Meliaceae. Finally, it is situated within the genus Aglaias.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad geographical distribution across several distinct regions of Southeast Asia. Within the Indo-China region, it can be found growing in Myanmar and Thailand. Its presence extends further into the Malesia zone, where it inhabits the island of Borneo. Additionally, the species is documented throughout Jawa and the Lesser Sunda Islands. This wide range highlights its ecological adaptability across diverse island and mainland habitats.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Aglaias ellipticas is characterized by its nature as a perennial plant, allowing it to persist through multiple growing seasons and establish a stable presence within its ecological niche. Throughout its lifespan, it maintains an evergreen habit, ensuring that its foliage remains lush and functional year-round without the need for seasonal shedding.

Deciduousness :

evergreen

Lifecycle :

perennial

Morphology

The morphology of Aglaias ellipticas is characterized by a woody growth form, specifically manifesting as a tree. This species exhibits a significant stature, with a mean plant height of approximately 25 m and a maximum height that can reach up to 20 m. In terms of its climbing habit, it is classified as a self-supporting plant, categorized under the units of liana, vine, or self-supporting, and functions as a self-supporting rather than an obligatory or facultative climber. Furthermore, it is a terrestrial species, lacking the characteristics of an epiphyte such as holoepiphytic, hemiepiphytic, or facultative growth, maintaining its presence as a terrestrial plant.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Plant height max:

20 m

Plant height mean:

25 m

Woodiness :

woody

Physiology

The physiology of Aglaia elliptica is characterized by a standard C3 photosynthetic pathway, utilizing the Calvin cycle to fix atmospheric carbon dioxide through the enzyme RuBisCO. This metabolic process involves the direct fixation of CO2 into a three-carbon compound, which is typical for many woody dicotyledonous species within this genus. Furthermore, the plant does not function as a nitrogen fixer, meaning it lacks the specialized symbiotic relationship with nitrogen-fixing bacteria, such as Rhizobium, required to convert atmospheric nitrogen into bioavailable forms, and must instead rely on the uptake of nitrates and ammonium from the soil through its root system.

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Reproduction

The reproduction of Aglaias ellipticas is driven by biotic mechanisms, specifically utilizing an insect-based pollination syndrome to facilitate fertilization. The plant exhibits a reproductive strategy where self-fertilization is absent, necessitating the involvement of external vectors to ensure genetic exchange. Once pollination is successful, the plant produces fruit classified as other, which serves as the vessel for seed development. The dispersal of these seeds follows a zoochorous syndrome, relying on animals to transport the reproductive units to new locations, thereby completing its life cycle through biological interaction.

Dispersal syndrome :

zoochorous

Fruit type :

other

Pollination syndrome :

insect

Pollination syndrome :

biotic

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Aglaia elliptica has 2 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, stem.

Leaf

1. Chemical & pharmaceutical bulletin

Stem

1. Chemico-biological interactions

Chemicals

Aglaia elliptica has 4 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include 10-O-acetylaglain B, 4-epiaglain A, Aglain A, Odorine.

10-O-acetylaglain B

1. Chemical & pharmaceutical bulletin

4-epiaglain A

1. Chemical & pharmaceutical bulletin

Aglain A

1. Chemical & pharmaceutical bulletin

Odorine

1. Chemical & pharmaceutical bulletin

Preparations

Aglaia elliptica has 1 reported preparations identified across 2 scientific publications and several other databases. The most consistently reported preparations include stems.

Stems

1. Chemico-biological interactions