freckled milk-vetch

Names and Synonyms

Common Names

• freckled milk-vetch
• mottled milk-vetch
• spectacled-pod milk-vetch
• Freckled Milkvetch
• spotted locoweed
• Mottled Milkvetch

Scientific Names

Accepted name

Synonyms

• Tragacantha lentiginosa
• Phaca lentiginosa
• Cystium lentiginosum

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta within the class Equisetopsida. As a member of the subclass Magnoliidae and the order Fabales, it falls under the family Fabaceae. Finally, it is categorized within the genus Astragalus as the species Astragalus lentiginosus.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific geographical range extending across parts of North America. In Western Canada, its presence is documented within the province of British Columbia. Moving into the Northwestern United States, the species can be found in the states of Idaho, Montana, and Oregon. Additionally, its distribution reaches as far south as Colorado within the same regional context. Collectively, these locations define the natural habitat where this medicinal species thrives.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Astragalus lentiginosus is characterized by its classification as a perennial species, meaning it lives for more than two years and undergoes multiple growth cycles. As a perennial, the plant establishes a robust root system that allows it to persist through varying seasonal conditions, often re-emerging from the same rootstock year after year. This lifecycle enables the plant to invest significant energy into long-term survival and reproductive stability within its habitat. Throughout its life, the plant transitions through various developmental stages, including vegetative growth and periodic flowering, ensuring its continued presence in the ecosystem over an extended duration.

Lifecycle :

perennial

Morphology

The morphology of Astragalus lentiginosus is characterized by its growth form as a non-woody herb, specifically classified as a forb. This terrestrial plant is self-supporting rather than being a climber or a liana, and it functions as an independent organism without parasitic tendencies. In terms of stature, it typically reaches a mean height of approximately 0.43 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Plant height mean:

0.43 m

Woodiness :

non-woody

Physiology

The physiology of Astragalus lentiginosus is primarily characterized by its reliance on the C3 photosynthetic pathway, a mechanism where carbon dioxide is fixed directly into a three-carbon compound during the Calvin cycle. This metabolic strategy dictates its physiological adaptation to temperate environments, where it utilizes standard enzyme-driven carboxylation to convert light energy into chemical energy. As a C3 plant, its gas exchange processes are highly sensitive to environmental variables such as temperature and moisture availability, influencing its stomatal conductance and overall water-use efficiency. This photosynthetic framework supports the plant's complex secondary metabolism, facilitating the production of diverse bioactive compounds through various biosynthetic pathways regulated by its carbon assimilation rates.

Photosynthetic pathway :

C3

Reproduction

The reproduction of Astragalus lentiginosus is characterized by the production of specialized seeds that exhibit a notable range of physical dimensions. The seed mass within a population is highly variable, with a measured minimum of 0.000973 g and a maximum reaching up to 0.00549 g. When considering the collective distribution of these seeds, the average seed mass is approximately 0.0030852 g. This variance in seed weight suggests diverse developmental outcomes or potential adaptations to different environmental niches during the reproductive cycle.

Seed mass max:

0.00549 g

Seed mass mean:

0.0030852 g

Seed mass min:

0.000973 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Astragalus lentiginosus has 2 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Aspyranochromenone A, Aspyranochromenone B.

Aspyranochromenone A

1. Tetrahedron

Aspyranochromenone B

1. Tetrahedron