Lysimachia laxa

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Lysimachia ramosa var. grandiflora
• Lysimachia alata
• Lysimachia ramosa
• Lysimachia floribunda
• Lysimachia ramosa var. zeylanica

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and class Equisetopsida. Within the subclass Magnoliidae and order Ericales, it is a member of the family Primulaceae. Specifically, it is categorized under the genus Lysimachia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad geographical distribution across various parts of Asia. In China, it is specifically found throughout the South-Central regions. Its presence extends into the Indian Subcontinent, where it inhabits the state of Assam and the East Himalaya. Additionally, the species can be located within the mountainous terrain of Nepal. Finally, its range reaches further south to include the island of Sri Lanka.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Lysimachia laxa is characterized by its distribution across specific altitudinal gradients, where it inhabits diverse montane environments. This species typically thrives within a broad elevational range, beginning at a minimum altitude of 1000 m AMSL and extending up to a maximum of 2700 m AMSL. Throughout its natural habitat, the plant maintains a mean elevation of approximately 1550 m AMSL, suggesting a preference for mid-to-high altitude ecological zones that provide its required climatic conditions.

Elevational range max:

2700 m AMSL

Elevational range mean:

1550 m AMSL

Elevational range min:

1000 m AMSL

Morphology

The morphology of Lysimachia laxa is characterized by its growth form as a non-woody herb and forb. It functions as a terrestrial plant, maintaining a self-supporting structure without the need for climbing. In terms of stature, the plant typically reaches an average height of 0.4325 m, though individual specimens exhibit a height range between a minimum of 0.18 m and a maximum of 0.35 m.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Plant height max:

0.35 m

Plant height mean:

0.4325 m

Plant height min:

0.18 m

Woodiness :

non-woody

Physiology

The physiology of Lysimachia laxa is closely characterized by its vegetative morphological adaptations, particularly regarding its foliar development and surface area optimization. The plant exhibits significant variability in leaf dimensions, which plays a crucial role in its photosynthetic capacity and transpiration regulation. The leaves demonstrate a substantial range in length, with a mean measurement of 6.375 cm, extending from a minimum of 3 cm to a maximum of 11 cm. This longitudinal plasticity is complemented by a diverse width profile, where leaf widths range from a minimum of 0.5 cm to a maximum of 2.8 cm, maintaining a mean width of 1.825 cm. Such variations in the leaf aspect ratio suggest a physiological capacity to adjust leaf morphology in response to environmental light availability and moisture levels, facilitating efficient gas exchange and resource acquisition within its natural habitat.

Leaf length max:

11 cm

Leaf length mean:

6.375 cm

Leaf length min:

3 cm

Leaf width max:

2.8 cm

Leaf width mean:

1.825 cm

Leaf width min:

0.5 cm

Reproduction

The reproduction of Lysimachia laxa is characterized by the development of specialized fruit structures that exhibit specific morphological dimensions. The fruit produced by this species is relatively small and compact, with a length that typically ranges from a minimum of 0.5 cm to a maximum of 0.6 cm, maintaining a mean length of approximately 0.5375 cm. Similarly, the width of the fruit shows a narrow variation, with a minimum measurement of 0.55 cm and a maximum width of 0.6 cm, resulting in a mean width of 0.575 cm. These precise dimensions indicate a consistent reproductive output, where the fruit maintains a nearly spherical or slightly rounded shape due to the minimal difference between its mean length and width.

Fruit length max:

0.6 cm

Fruit length mean:

0.5375 cm

Fruit length min:

0.5 cm

Fruit width max:

0.6 cm

Fruit width mean:

0.575 cm

Fruit width min:

0.55 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Lysimachia laxa 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. Journal of parasitic diseases : official organ of the Indian Society for Parasitology

Activities

Lysimachia laxa has 1 reported activities identified across 1 scientific publications and several other databases. The most consistently reported activities include Anthelmintic.

Anthelmintic

1. Journal of parasitic diseases : official organ of the Indian Society for Parasitology

Preparations

Lysimachia laxa has 7 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include chloroform fraction, crude extract, crude leaf extract, ethyl acetate fraction, hexane fraction.

Chloroform fraction

1. Journal of parasitic diseases : official organ of the Indian Society for Parasitology

Crude extract

1. Journal of parasitic diseases : official organ of the Indian Society for Parasitology

Crude leaf extract

1. Journal of parasitic diseases : official organ of the Indian Society for Parasitology

Ethyl acetate fraction

1. Journal of parasitic diseases : official organ of the Indian Society for Parasitology

Hexane fraction

1. Journal of parasitic diseases : official organ of the Indian Society for Parasitology

Leaves extract

1. Journal of parasitic diseases : official organ of the Indian Society for Parasitology

N-butanol fraction

1. Journal of parasitic diseases : official organ of the Indian Society for Parasitology