Oldenlandia umbellata

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Hedyotis puberula
• Hedyotis wightii
• Oldenlandia wightii
• Oldenlandia puberula
• Gerontogea umbellata
• Hedyotis indica
• Hedyotis brevicalyx

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified within the phylum Streptophyta and the class Equisetopsida. As a member of the subclass Magnoliidae and the order Gentianaales, it falls under the family Rubiaceae. Finally, it is taxonomically identified within the genus Oldenlandia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad geographical distribution spanning across parts of East Asia and the Indian Subcontinent. In China, its presence is specifically noted within the tropical island province of Hainan. Moving into the Indian Subcontinent, the species is found throughout various regions of India. It also inhabits the remote islands of the Laccadive archipelago and the Maldives. Finally, its range extends further north into the territory of Pakistan.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Oldenlandia umbellata is characterized by its classification as an annual plant, completing its entire developmental cycle from germination to seed production within a single growing season. In terms of its structural growth strategy, the species functions as a chamaephyte, maintaining its perennating buds at or very near the soil surface, which allows it to navigate its specific environmental niche effectively throughout its short lifespan.

Life form :

chamaephyte

Lifecycle :

annual

Morphology

The morphology of Oldenlandia umbellata is characterized by its specific growth habit and ecological positioning. It functions as a self-supporting climber, meaning it possesses the structural integrity to ascend or spread without being an obligatory or facultative climber that relies entirely on external hosts for verticality. In terms of its nutritional strategy, the plant is an independent organism, exhibiting no parasitic tendencies, whether obligatory or facultative. Furthermore, its life form is strictly terrestrial, as it does not exhibit epiphytic behavior, remaining rooted in the ground rather than growing upon other plants.

Climber :

self-supporting

Epiphyte :

terrestrial

Parasite :

independent

Physiology

The physiology of Oldenlandia umbellata is characterized by its specialized metabolic processes adapted to its specific ecological niche, primarily focusing on nutrient acquisition and water regulation. In terms of its symbiotic capabilities, the plant does not function as a nitrogen fixer; it lacks the specialized root nodules or the biological machinery required to host nitrogen-fixing bacteria for the conversion of atmospheric nitrogen into usable forms. Instead, it relies on the uptake of nitrates and ammonium from the soil through its root system. Its metabolic activity is geared toward efficient photosynthesis and the management of secondary metabolites, which contribute to its medicinal properties. The plant's physiological processes are closely tied to its ability to maintain osmotic balance and respond to environmental stressors, ensuring survival through regulated transpiration and cellular homeostasis.

Nitrogen fixer :

no

Sources: Global Inventory of Floras and Traits (GIFT)

Activities

Oldenlandia umbellata has 2 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antimicrobial, Antioxidant.

Antimicrobial

1. Naunyn-Schmiedeberg's archives of pharmacology

Antioxidant

1. Naunyn-Schmiedeberg's archives of pharmacology

Conditions

Oldenlandia umbellata has 1 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include antioxidant.

Antioxidant

1. Naunyn-Schmiedeberg's archives of pharmacology