bladder hibiscus

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Ketmia trionum
• Hibiscus trionum var. vesicarius
• Hibiscus physodes
• Hibiscus hispidus
• Hibiscus humboldtii
• Hibiscus marchallianus
• Trionum cordifolium
• Trionum diffusum
• Trionum annuum
• Trionum frutescens
• Abelmoschus collinsianus
• Hibiscus humboldtii
• Hibiscus hastifolius
• Hibiscus trionum var. ternatus
• Hibiscus collinsianus
• Hibiscus armeniacus
• Hibiscus africanus
• Hibiscus trionum var. cordifolius
• Hibiscus uniflorus
• Hibiscus vesicarius
• Hibiscus pallidus

Regional and Traditional Names

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta within the class Equisetopsida. As a member of the subclass Magnoliidae and the order Malvales, it is situated in the family Malvaceae. Finally, it is categorized under the genus Hibiscus.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific geographical distribution across several regions of Europe. In Northern Europe, it can be found within the borders of Great Britain. Moving into Middle Europe, its presence is documented in both Austria and Belgium. The species also inhabits the territories of Czechia-Slovakia. Finally, its range extends through the central landscape of Germany.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Hibiscus trioenum is characterized by its remarkable adaptability to diverse and often extreme environmental conditions. It occupies a wide vertical distribution, thriving at altitudes ranging from sea level (0 m AMSL) up to a maximum elevation of 2635 m AMSL. This broad altitudinal tolerance is supported by its ability to inhabit a vast array of ecosystems and substrates; the species is commonly found in disturbed or open landscapes such as crop fields, old fields, and steppes, as well as in more rugged terrains including mountains and stony places. Furthermore, its presence in varied moisture regimes—ranging from arid desert settings and sandy soils to riparian zones near rivers and lakes—demonstrates a high degree of ecological plasticity, allowing it to colonize both water-adjacent habitats and dry, nutrient-poor environments.

Elevational range max:

2635 m AMSL

Elevational range min:

0 m AMSL

Habitat :

crop fields, desert, lakes, mountains, old fields, rivers, sand, steppe, stony places

Life history

The life history of Hibiscus trioenum is characterized by an annual lifecycle, meaning it completes its entire biological progression from germination to seed production within a single growing season. As a therophyte, the plant survives unfavorable environmental conditions by persisting through a highly resistant seed stage, relying on these seeds to germinate when conditions become favorable for growth. In terms of its structural development, it exhibits a deciduous nature, shedding its foliage as part of its seasonal cycle.

Deciduousness :

deciduous

Life form :

therophyte

Lifecycle :

annual

Morphology

The morphology of Hibiscus trioenum is characterized by a growth form consisting of a non-woody herb and forb. This species is a terrestrial plant that grows independently, functioning without a parasitic relationship, and is classified as a self-supporting plant rather than a climber, liana, or vine. In terms of stature, it exhibits significant variation in plant height, with individual specimens ranging from a minimum of 0.05 m to a maximum of 1.5 m, resulting in an average plant height of approximately 0.47 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Plant height max:

1.5 m

Plant height mean:

0.466666666666667 m

Plant height min:

0.05 m

Woodiness :

non-woody

Physiology

The physiology of Hibiscus trioenum is characterized by a C3 photosynthetic pathway, utilizing standard carbon fixation processes to support its metabolic needs. As a non-carnivorous species, it relies on traditional nutrient uptake through its root system rather than capturing prey, and it does not function as a nitrogen fixer. The vegetative morphology of the plant is defined by its leaf dimensions, which typically range in length from a minimum of 1.5 cm to a maximum of 6 cm, with a calculated mean leaf length of 4.5 cm. Furthermore, the leaf width varies between a minimum of 1.5 cm and a maximum of 2.5 cm, reflecting a specific surface area optimized for its environmental interactions.

Carnivory :

non-carnivorous

Leaf length max:

6 cm

Leaf length mean:

4.5 cm

Leaf length min:

1.5 cm

Leaf width max:

2.5 cm

Leaf width min:

1.5 cm

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Reproduction

The reproduction of Hibiscus trionum is primarily sexual, characterized by bisexual flowers that facilitate the production of offspring. The flowering period typically commences in June and concludes in August. During this reproductive cycle, the plant relies on biotic pollination syndromes, specifically utilizing insects to facilitate pollen transfer; notably, self-fertilization is absent, necessitating these external agents for successful fertilization. Following pollination, the plant develops dry, dehiscent fruit in the form of a capsule. These capsules maintain a consistent mean length of approximately 1 cm. Each fruit contains a prolific number of seeds, ranging from 11 to 100 per capsule. The seeds themselves are quite uniform in size, with a mean length of 2 mm and a constant volume of 3.6 mm³. In terms of mass, the seeds are lightweight, with a mean weight of 0.00442925 g, ranging from a minimum of 0.0025 g to a maximum of 0.00454 g. Dispersal of the seeds is categorized as unspecialized, though it also exhibits anthropochorous tendencies, meaning human activity may play a role in the movement of the species. No asexual reproduction methods were observed for this plant.

Dehiscence :

dehiscent

Dispersal syndrome :

unspecialized

Dispersal syndrome :

anthropochorous

Flowering time :

Jun

Flowering time :

Aug

Fruit dryness :

dry

Fruit length max:

1 cm

Fruit type :

capsule

Pollination syndrome :

insect

Pollination syndrome :

biotic

Reproduction asexual :

absent

Reproduction sexual :

bisexual

Seed length mean:

2 mm

Seed mass max:

0.00454 g

Seed mass mean:

0.00442925 g

Seed mass min:

0.0025 g

Seed volume max:

3.6 mm³

Seeds_per_fruit :

11-100

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Activities

Hibiscus trionum has 3 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antioxidant, Hepatoprotective, Hypoglycemic.

Antioxidant

1. Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie

Hepatoprotective

1. Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie

Hypoglycemic

1. Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie