Heliotropium angiospermum

Names and Synonyms

Scientific Names

Accepted name

Distribution

This plant exhibits a broad geographical distribution spanning from the Americas to the Pacific islands. In North America, it can be found within the South-Central United States, specifically in Texas, as well as throughout the Southeastern United States in Florida. Its presence extends significantly into Mexico, where it inhabits both the Northeast and Central regions. Beyond the mainland, the species is also located in the South-Central Pacific, specifically within the Marquesas. This diverse range demonstrates the plant's ability to thrive in varied tropical and subtropical environments.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Heliotropium angiospermum is characterized by its presence in diverse Brazilian biomes, specifically within the Caatinga (strictu sensu), Floresta Estacional Decidual, and Floresta Estacional Semi-decidual. This plant demonstrates significant environmental adaptability, occupying a broad altitudinal gradient that spans from sea level (0 m AMSL) to a maximum elevation of 2300 m AMSL. Such a wide elevational range suggests that the species can tolerate varying climatic conditions, from the semi-arid environments of the Caatinga to the more seasonal forest ecosystems found at higher altitudes.

Elevational range max:

2300 m AMSL

Elevational range min:

0 m AMSL

Habitat :

Caatinga (stricto sensu), Floresta Estacional Decidual, Floresta Estacional Semidecidual

Life history

The life history of Heliotropium angiospermum is characterized by a perennial lifecycle, allowing the plant to persist across multiple growing seasons. As a perennial species, it maintains a long-term presence in its habitat, often establishing a stable root system that enables it to survive through periods of environmental fluctuation. This enduring nature distinguishes it from annual or biennial species, as it can undergo multiple reproductive cycles over its lifespan, contributing to its ecological stability and continued presence within its specific medicinal niche.

Lifecycle :

perennial

Morphology

The morphology of Heliotropium angiospermum is characterized by its classification as a non-woody herb, exhibiting a growth form typical of a herbaceous plant rather than a shrub or tree. This species is fundamentally terrestrial in its ecological habit, functioning as an independent organism that does not exhibit parasitic or epiphytic behaviors, remaining strictly terrestrial rather than acting as a holoepiphyte or hemiepiphyte. In terms of its structural development, the plant is non-woody and does not possess the climbing mechanisms of a liana or vine; instead, it is categorized as a self-supporting organism, lacking both obligatory and facultative climbing traits. Its habitat preference is firmly rooted in terrestrial environments, distinguishing it from aquatic or semiaquatic growth forms.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Woodiness :

non-woody

Reproduction

The reproduction of Heliotropium angiospermum is characterized by the production of dry fruits that contain highly uniform seeds. Morphological analysis of the seeds reveals a consistent physical profile, with a mean seed mass of 0.00033 g, a value that remains constant across the minimum and maximum observed measurements. Similarly, the seed volume exhibits strict uniformity, with both the minimum and maximum recorded volumes reaching 0.28 mm³, resulting in a stable mean seed volume of 0.28 mm³. This precision in seed dimensions and the dry nature of the fruit facilitate a standardized dispersal mechanism essential for the plant's life cycle.

Fruit dryness :

dry

Seed mass mean:

0.00033 g

Seed volume max:

0.28 mm³

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Heliotropium angiospermum 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. Phytomedicine : international journal of phytotherapy and phytopharmacology

Preparations

Heliotropium angiospermum has 2 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include Plant extracts, leaf extract.

Plant extracts

1. Plants (Basel, Switzerland)

Leaf extract

1. Phytomedicine : international journal of phytotherapy and phytopharmacology