bushy rattlepod

Names and Synonyms

Common Names

• bushy rattlepod

Scientific Names

Accepted name

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, Crotalaria grahamiana, belongs to the kingdom Plantae and the phylum Streptophyta. It is classified within the class Equisetopsida and the subclass Magnoliidae, falling under the order Fabales. Finally, it is a member of the family Fabaceae and is categorized under the genus Crotalaria.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse range of habitats across several distinct regions. Within the Western Indian Ocean, its presence is noted in Mauritius, Madagascar, and Réunion. Moving toward the Indian Subcontinent, it can also be found growing in India. Additionally, the species extends its reach into the Indo-China region, specifically inhabiting the Andaman Islands. Collectively, these locations highlight a wide geographical distribution spanning multiple island chains and mainland areas.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Crotalaria grahamiana is characterized by a perennial lifecycle, allowing the plant to persist through multiple growing seasons. As a perennial species, it establishes a long-term presence in its habitat, often developing robust root systems that support its survival during unfavorable environmental conditions. This longevity distinguishes it from annual or biennial species, as it can undergo multiple reproductive cycles over its lifespan. The plant's developmental stages involve a period of vegetative growth to accumulate energy, followed by a flowering phase that facilitates sexual reproduction through seed production. These seeds then contribute to the continued population stability and colonization of suitable ecological niches over successive years.

Lifecycle :

perennial

Morphology

The morphology of Crotalaria grahamiana is characterized by a growth form that manifests as both a shrub and a herb, exhibiting a woody structure. This species is primarily terrestrial in its habitat, though it can exist across a spectrum ranging from aquatic to semiaquatic environments. It functions as an independent organism rather than a parasite and is a terrestrial plant rather than an epiphyte. In terms of physical stature, it is a self-supporting plant that does not require climbing structures, reaching a maximum plant height of approximately 3 meters.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

shrub

Growth form :

herb

Parasite :

independent

Plant height max:

3 m

Woodiness :

woody

Physiology

The physiology of Crotalaria grahamiana is characterized by specific morphological parameters regarding its foliage, which facilitate its metabolic and photosynthetic processes. The leaf architecture demonstrates significant variability in size, with leaf lengths ranging from a minimum of 2.5 cm to a maximum of 8.5 cm. Complementing this longitudinal variation, the leaf width exhibits a corresponding range, measuring as narrow as 0.8 cm at its minimum and extending to a maximum of 2.5 cm. These dimensions define the surface area available for gas exchange and light absorption, playing a critical role in the plant's overall physiological efficiency and resource management.

Leaf length max:

8.5 cm

Leaf length min:

2.5 cm

Leaf width max:

2.5 cm

Leaf width min:

0.8 cm

Reproduction

The reproduction of Crotalaria grahamiana is characterized by the development of a fruit classified as a pod. These pods exhibit measurable morphological variation, with lengths averaging approximately 5 cm, while their width ranges from a minimum of 1.5 cm to a maximum of 3 cm. The fruit is dehiscent, meaning it is capable of splitting open at maturity to facilitate the dispersal of its seeds.

Dehiscence :

dehiscent

Fruit length mean:

5 cm

Fruit type :

pod

Fruit width max:

3 cm

Fruit width min:

1.5 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Crotalaria grahamiana has 2 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Grahamine, Monocrotalin.

Grahamine

1. Veterinary and human toxicology

Monocrotalin

1. Veterinary and human toxicology

Conditions

Crotalaria grahamiana has 1 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include hepatic encephalopathy.

Hepatic encephalopathy

1. Veterinary and human toxicology