Gomphrena macrocephala

Names and Synonyms

Scientific Names

Accepted name

Distribution

This plant exhibits a broad distribution across several distinct regions of Brazil. It can be found throughout the West-Central, Northeast, Southeast, and South regions of the country. Beyond the borders of Brazil, its presence extends into the southern portion of South America. Specifically, it is documented to grow within the nation of Paraguay. Together, these locations define the primary geographical range of the species.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Gomphrena macrocephala is characterized by its presence in specific Brazilian biomes, most notably within the Campo Limpo and the broader Cerrado (latu sensu) habitats. This species thrives in open, sun-exposed environments typical of these formations, which are often defined by seasonal moisture variations and nutrient-poor soils. Regarding its vertical distribution, the plant occupies a broad altitudinal gradient, ranging from sea level up to a maximum elevation of 1000 m AMSL.

Elevational range max:

1000 m AMSL

Elevational range min:

0 m AMSL

Habitat :

Campo Limpo, Cerrado (lato sensu)

Life history

The life history of Gomphrena macrocephala is characterized by a variable lifecycle that can manifest as an annual, biennial, or perennial plant depending on environmental conditions and local climatic patterns. As a species with a flexible temporal strategy, it often functions as a perennial, allowing it to persist across multiple growing seasons, though it may complete its cycle within a single year in more ephemeral or stressed habitats. Its developmental progression typically begins with seed germination, followed by a vegetative phase where it establishes a robust structural presence, eventually transitioning into a reproductive stage marked by the production of its distinctive globose flower heads. This ability to shift between different life cycles enables the species to adapt its reproductive timing and survival strategies to the specific availability of resources and seasonal shifts in its ecological niche.

Lifecycle :

perennial

Morphology

The morphology of Gomphrena macrocephala is characterized by its growth form as a non-woody herb, specifically functioning as a self-supporting forb. It does not exhibit climbing tendencies, such as being a liana or vine, nor does it require external support, maintaining a self-supporting structure throughout its development. As a terrestrial species, it lacks aquatic or semiaquatic adaptations and does not function as an epiphyte, whether in a holoepiphytic, hemiepiphytic, or facultative capacity, remaining strictly grounded in its habitat. Furthermore, the plant is an independent organism, showing no parasitic behavior, and its physical structure is entirely non-woody, lacking the lignified tissues found in shrubs or trees.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Woodiness :

non-woody

Reproduction

Reproduction in Gomphrena macrocephala is facilitated through a complex set of mechanisms designed to ensure species propagation across diverse environments. The plant employs a multifaceted dispersal syndrome characterized by anemochorous, zoochorous, autochorous, hydrochorous, and unspecialized modes of movement. Specifically, the anemochorous component allows seeds to be carried by wind currents, aided by the lightweight structure of the inflorescence, while zoochorous processes involve the accidental transport of seeds by animals. Autochorous mechanisms may involve the self-ejection or mechanical shedding of seeds from the dried flower heads, and hydrochorous dispersal utilizes water bodies to move seeds to new locations. Additionally, the plant exhibits unspecialized dispersal traits, ensuring that even in the absence of specific vectors, seeds can settle in nearby substrates to facilitate the establishment of new individuals.

Dispersal syndrome :

anemochorous

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Gomphrena macrocephala 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 root.

Root

1. Journal of natural products