Canavalia sericea

Names and Synonyms

Scientific Names

Accepted name

Distribution

This plant, Canavalia sericea, exhibits a wide geographical distribution across various island regions. In Australia, its presence is specifically noted within the state of Queensland. The species also thrives throughout the Southwestern Pacific, where it can be found in Fiji. Furthermore, it is distributed among other Pacific territories such as Niue and New Caledonia. Its range is completed by its establishment in the islands of Samoa.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Canavalia seriacea is fundamentally defined by its specialized niche within halophytic vegetation, where it thrives in environments characterized by high salinity and coastal influence. As a salt-tolerant species, it occupies coastal ecosystems such as sand dunes, maritime shrublands, and saline flats, where it has evolved to withstand the physiological stresses of osmotic pressure and sodium toxicity that would inhibit most other terrestrial plants. Its presence is closely tied to the dynamic stability of littoral zones, where it plays a crucial role in stabilizing sandy substrates and contributing to the organic matter of nutrient-poor, saline soils. By integrating into these halophytic communities, Canavalia seriacea functions as a resilient component of the coastal landscape, adapted to the intense solar radiation, wind exposure, and shifting soil compositions typical of these maritime habitats.

Habitat :

halophytic vegetation

Life history

The life history of Canavalia sericea is characterized by its status as a perennial species, allowing it to persist in its environment over multiple growing seasons. This long-lived lifecycle enables the plant to establish a robust presence within its ecological niche, often spreading through various growth stages that contribute to its long-term survival. As a perennial, it does not rely solely on a single reproductive event but can undergo multiple cycles of vegetative growth and flowering, providing it with the resilience to endure seasonal changes and environmental fluctuations.

Lifecycle :

perennial

Morphology

The morphology of Canavalia sericea is characterized by a growth form primarily classified as a non-woody herb and a forb. It functions as an obligatory climber, exhibiting a vine-like habit that requires external support for upward progression. Regarding its ecological niche and positioning, the plant is terrestrial in nature, rather than being an epiphyte or an aquatic species, as it lacks the adaptations for semiaquatic or strictly aquatic environments. Its structural development is defined by its non-woody composition, which facilitates its flexible, climbing lifestyle.

Aquatic :

terrestrial

Climber :

vine

Climber :

obligatory

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Woodiness :

non-woody

Physiology

The physiology of Canavalia sericea is characterized by distinct morphological dimensions and specific tissue hydration properties. The foliage exhibits significant variability in size, with leaf lengths ranging from a minimum of 7 cm to a maximum of 12 cm, while the width of the leaves fluctuates between a minimum of 6 cm and a maximum of 11.3 cm. In terms of water storage and tissue composition, the plant does not exhibit succulence, indicating that its physiological mechanisms for moisture management rely on standard non-succulent leaf structures rather than specialized water-storing parenchyma.

Leaf length max:

12 cm

Leaf length min:

7 cm

Leaf width max:

11.3 cm

Leaf width min:

6 cm

Succulence :

no

Reproduction

The reproduction of Canavalia sericea is characterized by the development of a specialized fruit type known as a pod. These pods exhibit significant morphological variation, typically measuring between 10 cm and 17 cm in length, with a width ranging from 2.5 cm to 3 cm. Upon reaching maturity, the fruit is dehiscent, meaning it splits open to facilitate the release of its seeds. The seeds themselves are relatively large and robust, with lengths ranging from 16 mm to 19 mm and widths spanning from 10 mm to 12 mm. Regarding the movement of offspring to new habitats, the plant utilizes a hydrochorous dispersal syndrome, relying on water currents to transport its seeds and pods to new locations.

Dehiscence :

dehiscent

Dispersal syndrome :

hydrochorous

Fruit length max:

17 cm

Fruit length min:

10 cm

Fruit type :

pod

Fruit width max:

3 cm

Fruit width min:

2.5 cm

Seed length max:

19 mm

Seed length min:

16 mm

Seed width max:

12 mm

Seed width min:

10 mm

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Canavalia sericea has 2 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include genistein, hydroxygenistein.

genistein

1. Dr. Duke

hydroxygenistein

1. Dr. Duke

Activities

Canavalia sericea has 72 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Abortifacient, Aldose-Reductase-Inhibitor, Alpha-Reductase-Inhibitor, Antiaggregant, Antiangiogenic.

Abortifacient

1. Dr. Duke

Aldose-Reductase-Inhibitor

1. Dr. Duke

Alpha-Reductase-Inhibitor

1. Dr. Duke

Antiaggregant

1. Dr. Duke

Antiangiogenic

1. Dr. Duke

Antiatherosclerotic

1. Dr. Duke

Anticancer (Breast)

1. Dr. Duke

Anticarcinomic (Breast)

1. Dr. Duke

Anticlimacteric

1. Dr. Duke

Antiendoccytotic

1. Dr. Duke