Guizotia abyssinica

Names and Synonyms

Scientific Names

Accepted name

Distribution

This plant exhibits a scattered geographical presence across several regions of Europe. In Northern Europe, its range extends to include Great Britain and Ireland. Moving toward the center of the continent, it can be found within the borders of Austria. The distribution also encompasses Belgium, representing its presence in Middle Europe. Finally, the plant is recorded across the Czechia-Slovakia region.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Gynostemma abyssincica is characterized by its distribution across varied topographical landscapes, primarily thriving in lowland environments. This species occupies a specific altitudinal niche, with its presence recorded from a minimum elevation of 300 m AMSL up to a maximum elevation of 1700 m AMSL.

Elevational range max:

1700 m AMSL

Elevational range min:

300 m AMSL

Habitat :

Lowland

Life history

The life history of Guizotia abyssiniica is characterized by an annual lifecycle, meaning the plant completes its entire developmental process—from germination to seed production and senescence—within a single growing season. In terms of its morphological life form, it is classified as a therophyte, a strategy where the plant survives unfavorable environmental conditions in the form of seeds, rapidly growing and flowering once favorable moisture and temperature levels are met. This life history pattern allows it to effectively exploit seasonal resources, ensuring its survival through a highly efficient reproductive cycle before the onset of dry periods.

Life form :

therophyte

Lifecycle :

annual

Morphology

The morphology of Guizotia abyssinica is characterized by its growth form as a non-woody herb, specifically categorized as a forb. The plant exhibits a self-supporting growth habit and does not function as a climber or a parasite, operating as an independent terrestrial organism rather than an epiphyte or aquatic species. Its shoots maintain an erect orientation, reaching a maximum height of 2 m, with an average plant height of approximately 1.8 m, though individual specimens may be as short as 0.2 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Plant height max:

2 m

Plant height mean:

1.8 m

Plant height min:

0.2 m

Shoot orientation :

erect

Woodiness :

non-woody

Physiology

The physiology of Guizotia abyssinica is characterized by a C3 photosynthetic pathway, which dictates its carbon fixation processes and metabolic efficiency. The plant exhibits a non-carnivorous nutritional strategy and does not function as a nitrogen fixer, relying instead on soil-available nutrients for its development. Its vegetative structure is defined by an opposite leaf arrangement, featuring elliptic-shaped leaves that vary in size to optimize light interception. These leaves typically range in length from a minimum of 3 cm to a maximum of 10 cm, with widths spanning from 1.5 cm to 2.5 cm, providing a specific surface area conducive to its metabolic requirements.

Carnivory :

non-carnivorous

Leaf arrangement :

opposite

Leaf form :

elliptic

Leaf length max:

10 cm

Leaf length min:

3 cm

Leaf width max:

2.5 cm

Leaf width min:

1.5 cm

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Reproduction

The reproduction of Guizotia abyssinica is characterized by a biotic pollination process primarily driven by insects. The plant produces yellow flowers that range in length from 0.4 cm to 0.5 cm, with a significant width varying between 2 cm and 6 cm. The flowering period typically begins in August and concludes in October, though the timing can be variable. In terms of sexual reproduction, self-fertilization is noted as absent, relying instead on these insect pollinators. Following fertilization, the plant develops an achene-type fruit that is indehiscent. These fruits are relatively small, measuring between 0.15 cm and 0.3 cm in width and 0.3 cm to 0.6 cm in length. The seeds contained within are lightweight, with a mean mass of approximately 0.0030246665 g, ranging from a minimum of 0.0022 g to a maximum of 0.00375 g. Dispersal is identified as being anthropochorous, and the plant does not exhibit asexual reproduction.

Dehiscence :

indehiscent

Dispersal syndrome :

anthropochorous

Flower colour :

yellow

Flower length max:

0.5 cm

Flower length min:

0.4 cm

Flower width max:

6 cm

Flower width min:

2 cm

Flowering time :

Aug

Flowering time :

Oct

Fruit length max:

0.6 cm

Fruit length min:

0.3 cm

Fruit type :

achene

Fruit width max:

0.3 cm

Fruit width min:

0.15 cm

Pollination syndrome :

insect

Pollination syndrome :

biotic

Reproduction asexual :

absent

Seed mass max:

0.00375 g

Seed mass mean:

0.0030246665 g

Seed mass min:

0.0022 g

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Guizotia abyssinica 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 seed.

Seed

1. Applied microbiology