Helicopter Tree

Names and Synonyms

Common Names

• Coolamon-tree
• gyro damson
• helicopter-tree
• twirly-whirly-tree
• Corkwood
• Propeller Tree
• propeller-tree

Scientific Names

Accepted name

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 and class Equisetopsida. Within the subclass Magnoliidae and order Laurales, it is a member of the family Hernandiaceae. Finally, it is specifically identified by the genus Gyrocarpus.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad geographical distribution spanning several distinct regions of the African continent. In West Tropical Africa, it is commonly found across the territories of Guinea, Mali, Mauritania, and Senegal. Its presence extends significantly beyond the western coast into the eastern parts of the continent. Specifically, it can be identified within the Northeast Tropical Africa region in Eritrea. Consequently, the species maintains a diverse range that covers both western and northeastern tropical landscapes.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Gyrocarpus americanus is characterized by its presence within deciduous forest habitats, where it integrates into the complex structural dynamics of the woodland ecosystem. This species exhibits a broad altitudinal distribution, occupying a wide ecological niche that spans from sea level up to a maximum elevation of 1160 m AMSL. This vertical range suggests an ability to tolerate diverse environmental gradients, including variations in temperature, moisture availability, and light intensity found between lowland coastal regions and higher montane forest zones.

Elevational range max:

1160 m AMSL

Elevational range min:

0 m AMSL

Habitat :

deciduous forest

Life history

The life history of Gyrocarpus americanus is characterized by its status as a perennial species, allowing it to persist through multiple growing seasons rather than completing its cycle in a single year. As a deciduous plant, it undergoes a seasonal shedding of its foliage, a process that typically aligns with environmental shifts to manage resource conservation. This combination of a long-lived perennial lifecycle and a deciduous growth habit dictates its rhythmic pattern of seasonal regrowth and dormancy within its natural habitat.

Deciduousness :

deciduous

Lifecycle :

perennial

Morphology

The morphology of Gyrocarpus americanus is characterized by its growth form as a woody tree. It is a terrestrial species that functions as an independent organism, meaning it does not exhibit parasitic behavior. In terms of structural support, the plant is classified as self-supporting rather than acting as a liana, vine, or obligatory climber. The stature of the plant varies significantly, with a minimum height of 3 m, a mean height of approximately 13.5 m, and a maximum height reaching up to 15.24 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

15.24018532 m

Plant height mean:

13.5 m

Plant height min:

3 m

Woodiness :

woody

Physiology

The physiology of Gyrocarpus americanus is characterized by a C3 photosynthetic pathway, indicating its reliance on the standard carbon fixation process typical of many temperate and tropical species. Structurally, the plant does not exhibit succulence, lacking the specialized water-storage tissues found in succulent taxa. Its stem morphology is defined by a uniform stem specific density (SSD) of 303.1 mg/cm³, a value that remains consistent across its minimum, mean, and maximum recorded measurements. Furthermore, the species does not function as a nitrogen fixer, meaning it lacks the symbiotic relationship with nitrogen-fixing bacteria necessary to convert atmospheric nitrogen into a usable form.

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Stem specific density (SSD) min:

303.1 mg/cm³

Succulence :

no

Reproduction

The reproduction of Gyrocarpus americanus is characterized by specific seed morphological traits and a diverse array of dispersal mechanisms. The seeds produced by the plant exhibit a measurable range in mass, with a minimum value of 0.26802 g and a maximum of 0.526 g, resulting in a calculated mean seed mass of approximately 0.340476666666667 g. Regarding the movement of these seeds away from the parent plant, the species utilizes a broad dispersal syndrome that includes anemochorous (wind), anthropochorous (human), autochorous (self-dispersal), endozoochorous (internal animal consumption), epizoochorous (external animal attachment), hydrochorous (water), myrmecocorous (ant), unspecialized, and zoochorous (animal) methods.

Dispersal syndrome :

anemochorous

Seed mass max:

0.526 g

Seed mass mean:

0.340476666666667 g

Seed mass min:

0.26802 g

Sources: Global Inventory of Floras and Traits (GIFT)

Activities

Gyrocarpus americanus has 1 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antiprotozoal.

Antiprotozoal

1. Phytotherapy research : PTR