Bignonia Emu-bush

Names and Synonyms

Common Names

• Bignonia Emu-bush
• Creek Wilga
• Eurah

Scientific Names

Accepted name

Synonyms

• Bondtia bignoniiflora
• Pholidia bignoniiflora
• Stenochilus bignoniiflorus

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 within the class Equisetopsida. Further taxonomic refinement places it in the subclass Magnoliidae and the order Lamiales. It is a member of the family Scrophulariaceae and is specifically identified by the genus Eremophilia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is widely distributed across several different regions within Australia. It can be found growing in the state of New South Wales along the eastern coast. Its presence also extends into the tropical landscapes of the Northern Territory. Furthermore, the species inhabits various parts of Queensland and South Australia. Finally, its geographical range reaches as far as the western reaches of Western Australia.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Eremophila bignoniiflora is characterized by its status as a perennial organism, allowing it to persist through multiple growing seasons. As a perennial species, it avoids the rapid turnover seen in annuals, instead establishing a more stable presence within its ecological niche. This long-term growth strategy enables the plant to invest energy into robust structural development and repeated reproductive cycles over several years, rather than completing its entire life cycle from germination to seed production in a single season. This perennial nature is a key component of its survival strategy, facilitating its ability to withstand environmental fluctuations and maintain a continuous presence in its habitat.

Lifecycle :

perennial

Morphology

The morphology of Eremophila bignoniiflora is characterized by a diverse growth habit, manifesting as both a shrub and a tree form. It is a woody plant that exhibits a self-supporting structure, functioning as an independent organism rather than a climber, parasite, or epiphyte. While its habitat can range across aquatic, semiaquatic, and terrestrial environments, it maintains a terrestrial nature in its epiphytic expression. In terms of stature, the plant displays significant vertical development, with a height ranging from a minimum of 1 meter to a maximum of 8 meters.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Growth form :

shrub

Parasite :

independent

Plant height max:

8 m

Plant height min:

1 m

Woodiness :

woody

Physiology

The physiology of Eremophila bignoniiflora is characterized by a distinct morphological structure and a specific metabolic framework. The plant utilizes a C3 photosynthetic pathway, which dictates its carbon fixation processes and environmental adaptations. Its foliage exhibits significant variation in dimensions, with leaf lengths ranging from a minimum of 7 cm to a maximum of 20 cm. Furthermore, the leaves are relatively narrow, maintaining a width between a minimum of 0.45 cm and a maximum of 1.4 cm, factors that collectively influence the plant's transpiration rates and light interception capabilities.

Leaf length max:

20 cm

Leaf length min:

7 cm

Leaf width max:

1.4 cm

Leaf width min:

0.45 cm

Photosynthetic pathway :

C3

Reproduction

The reproduction of Eremophila bignoniiflora is characterized by the production of seeds that exhibit a highly consistent mass profile across observed samples. The reproductive output is defined by a precise seed mass, with a mean value of 0.26301 g. This uniformity is reflected in the extreme consistency of the species' seed morphology, as both the maximum and minimum recorded seed mass values are identical at 0.26301 g. Such stability in seed mass suggests a highly regulated developmental process during the maturation of the reproductive structures, ensuring that each seed produced maintains a specific weight of 0.26301 g.

Seed mass mean:

0.26301 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Eremophila bignoniiflora has 3 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include BORNYL ACETATE, Fenchyl acetate, Flavonoids.

BORNYL ACETATE

1. Phytotherapy research : PTR

Fenchyl acetate

1. Phytotherapy research : PTR

Flavonoids

1. Phytochemistry

Conditions

Eremophila bignoniiflora has 3 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include Candida albicans, Staphylococcus epidermidis, dermatophytosis.

Candida albicans

1. Phytotherapy research : PTR

Staphylococcus epidermidis

1. Phytotherapy research : PTR

Dermatophytosis

1. Phytotherapy research : PTR

Preparations

Eremophila bignoniiflora has 2 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include Essential oils, crude ethyl acetate extract.

Essential oils

1. Phytotherapy research : PTR

Crude ethyl acetate extract

1. Phytochemistry