Brachystemma calycinum

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Arenaria nepalensis

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, it is organized under the order Caryophyllales and the family Caryophyllaceae. Finally, it is identified by its specific genus, Brachystemma.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a wide geographical distribution across several distinct regions in Asia. Within China, it is found in the South-Central areas as well as the Tibet region. Its presence extends into the Indian Subcontinent, where it is specifically documented in Assam. Additionally, the species can be located throughout the East Himalaya mountain range. Ultimately, a significant portion of its habitat includes various parts of India.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Brachystemma calycinum is defined by its specific altitudinal distribution across varied mountainous or hilly terrains. This species exhibits a broad elevational range, allowing it to inhabit diverse ecological niches ranging from lower foothills to higher montane environments. Its presence is recorded at a minimum elevation of 300 m AMSL, extending up to a maximum altitude of 2300 m AMSL. Throughout its habitat, the plant maintains a mean elevation of approximately 1420 m AMSL, a positioning that suggests it is well-adapted to the specific temperature regimes and moisture availability characteristic of mid-elevation ecosystems.

Elevational range max:

2300 m AMSL

Elevational range mean:

1420 m AMSL

Elevational range min:

300 m AMSL

Life history

The life history of Brachystemma calycinum is characterized by a variable lifecycle that can manifest as an annual, biennial, or perennial organism depending on environmental conditions and resource availability. This developmental flexibility allows the species to adapt to shifting ecological niches, transitioning between rapid seasonal growth cycles and more sustained, long-term survival strategies. As the plant progresses through its stages, it undergoes distinct morphological shifts to support its reproductive success, navigating through various phases of maturation that define its temporal presence within its habitat.

Lifecycle :

annual

Morphology

The morphology of Brachystemma calycinum is characterized by its growth form as a non-woody herb. As a climbing plant, it functions as a self-supporting climber, utilizing its structural properties to navigate its environment. It is categorized as a terrestrial organism, growing within soil-based substrates rather than as an epiphyte. The plant's overall architecture remains herbaceous throughout its development, lacking woody tissue and maintaining a soft, non-woody stem structure.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Woodiness :

non-woody

Physiology

The physiological characteristics of Brachystemma calycinum are prominently defined by its leaf morphology, which exhibits specific dimensional variations essential to its vegetative growth patterns. The leaves demonstrate a significant range in size, with a mean length of 5.5 cm, oscillating between a minimum length of 3.5 cm and a maximum length of 7.5 cm. In terms of lateral expansion, the leaf width is relatively narrow, maintaining a minimum width of 1 cm and reaching a maximum width of 1.5 cm. These specific dimensions in length and width contribute to the plant's overall surface area, influencing its photosynthetic capacity and moisture regulation within its ecological niche.

Leaf length max:

7.5 cm

Leaf length mean:

5.5 cm

Leaf length min:

3.5 cm

Leaf width max:

1.5 cm

Leaf width min:

1 cm

Reproduction

The reproduction of Brachystemma calycinum culminates in the development of specialized fruit structures characterized by a high degree of morphological uniformity. The resulting fruits are remarkably consistent in their dimensions, maintaining a steady size across all measured parameters. Specifically, the fruit length remains constant, with a mean, minimum, and maximum value all recorded at 0.25 cm. Similarly, the fruit width exhibits no variance, with the minimum, mean, and maximum widths each measuring exactly 0.25 cm. This lack of dimensional deviation suggests a highly stabilized reproductive outcome where the fruits are consistently spherical or near-spherical in shape, measuring 0.25 cm in both length and width.

Fruit length max:

0.25 cm

Fruit width max:

0.25 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Brachystemma calycinum 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 root.

Root

1. Journal of natural products

Chemicals

Brachystemma calycinum has 1 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include Brachystemidine D.

Brachystemidine D

1. Journal of natural products

Preparations

Brachystemma calycinum has 1 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include roots.

Roots

1. Journal of natural products