Rostellularia obtusa

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Justicia obtusa
• Rostellularia obtusa var. neesiana
• Justicia blumeana
• Rostellularia obtusa var. grandifolia

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta within the class Equisetopsida. It is further categorized under the subclass Magnoliidae and the order Lamiales. Finally, it is a member of the family Acanthaceae and is placed within the genus Rostellularia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is primarily identified within the Malesia botanical region. Specifically, its documented presence is concentrated on the island of Jawa. This localized distribution suggests that the species is adapted to the particular environmental conditions found in this area. Consequently, researchers focusing on its habitat should direct their attention to the Indonesian archipelago. Understanding this specific range is essential for the conservation of the species.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Morphology

The morphology of Rostellularia obtusa is characterized by its growth form as a herb, exhibiting a non-woody structure throughout its development. This plant is primarily terrestrial in its habitat, though it possesses the ecological flexibility to exist in aquatic or semiaquatic environments. In terms of its structural habit, it functions as a self-supporting organism rather than a climber, maintaining its own posture without the need for external support. Furthermore, it is an independent species that does not exhibit parasitic behavior, and it grows as a terrestrial plant rather than an epiphyte.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Woodiness :

non-woody

Physiology

The physiology of Rostellularia obtusa is characterized by specific morphological dimensions of its foliage that reflect its adaptive growth strategies. The leaves exhibit a notable range in size, with a longitudinal development spanning from a minimum leaf length of 1 cm to a maximum leaf length of 3 cm. This variation in length is complemented by a corresponding breadth in the lamina, where leaf width fluctuates between a minimum of 0.5 cm and a maximum of 1.5 cm. These dimensions suggest a controlled surface area optimization, likely influencing the plant's photosynthetic efficiency and transpiration rates within its ecological niche.

Leaf length max:

3 cm

Leaf length min:

1 cm

Leaf width max:

1.5 cm

Leaf width min:

0.5 cm

Reproduction

The reproduction of Rostellularia obtusa is characterized by the development of a fruit type classified as a capsule. This reproductive structure functions through a dehiscence mechanism, meaning it is dehiscent, allowing the fruit to split open at maturity to facilitate the release and dispersal of its seeds.

Dehiscence :

dehiscent

Fruit type :

capsule

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Rostellularia obtusa 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 leaf.

Leaf

1. Parasitology research

Chemicals

Rostellularia obtusa has 20 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include Chinensinaphthol methyl ether, Justicidin B, Lignans, NEOJUSTICIN A, Justicidin A.

Chinensinaphthol methyl ether

1. Journal of natural products
2. Journal of separation science
3. Journal of chromatography. B, Analytical technologies in the biomedical and life sciences
4. Journal of ethnopharmacology
5. PloS one

Justicidin B

1. Journal of natural products
2. Journal of separation science
3. Biological & pharmaceutical bulletin
4. Journal of ethnopharmacology
5. PloS one

Lignans

1. Fitoterapia
2. Molecules (Basel, Switzerland)
3. Chemistry Central journal

NEOJUSTICIN A

1. Journal of natural products
2. Journal of separation science
3. Magnetic resonance in chemistry : MRC

Justicidin A

1. Journal of natural products
2. Biological & pharmaceutical bulletin

NEOJUSTICIN B

1. Journal of natural products
2. Journal of ethnopharmacology

Taiwanin C

1. Journal of separation science
2. Magnetic resonance in chemistry : MRC

Taiwanin E methyl ether

1. Journal of natural products
2. PloS one

Chinensinaphthol

1. Journal of natural products

Cleistanthin B

1. Journal of Asian natural products research

Activities

Rostellularia obtusa has 2 reported activities identified across 1 scientific publications and several other databases. The most consistently reported activities include Antiplatelet, Cytotoxic.

Antiplatelet

1. Journal of natural products

Cytotoxic

1. Journal of natural products

Preparations

Rostellularia obtusa has 8 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include whole plant, EtOH extract, Jian-er syrup, active extract of Justicia procumbens, anhydrous ethanol extract.

Whole plant

1. Journal of natural products
2. Journal of Asian natural products research
3. Magnetic resonance in chemistry : MRC

Etoh extract

1. Journal of natural products

Jian-er syrup

1. Journal of separation science

Active extract of justicia procumbens

1. Journal of separation science

Anhydrous ethanol extract

1. Biological & pharmaceutical bulletin

Ethyl acetate extract

1. Chemistry Central journal

Leaf extracts

1. Parasitology research

Traditional herbal remedy

1. Journal of ethnopharmacology