Madagascar Buddleia

Names and Synonyms

Common Names

• Madagascar Buddleia
• Madagascar Sagewood

Scientific Names

Accepted name

Synonyms

• Nicodemia madagascariensis
• Adenoplea madagascariensis
• Buddleja heterophylla

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, Buddleja madagascariensis, belongs to the kingdom Plantae and the phylum Streptophyta. It is classified under the class Equisetopsida and the subclass Magnoliidae, falling within the order Lamiales. Finally, it is a member of the family Scrophulariaceae and the genus Buddleja.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse geographical distribution that spans across multiple continents. In Southeastern Europe, its presence can be observed in Greece and Sicilia. Moving toward Northern Africa, the species is also found within the borders of Tunisia. Its range extends further into West-Central Tropical Africa, where it inhabits Burundi. Finally, the plant is documented to grow within the region of Rwanda.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Buddleja madagascariensis is characterized by its specific environmental preferences and symbiotic relationships within its native range. This species is predominantly found in coastal habitats, where it has adapted to the unique climatic conditions and soil compositions associated with maritime proximity. In terms of its subterranean biological interactions, the plant does not form associations with mycorrhizae, meaning it lacks the symbiotic relationship with mycorrhizal fungi that many other woody species rely on for nutrient uptake. This absence of mycorrhizal dependency suggests that the species possesses specialized mechanisms for nutrient acquisition directly from the coastal soil profiles it inhabits.

Habitat :

Coastal

Mycorrhiza :

no

Life history

The life history of Buddleja madagascariensis is characterized by its classification as a perennial organism, ensuring its long-term persistence within its natural habitat. As a phanerophyte, the plant maintains its photosynthetic organs on elevated stems, specifically functioning as a phanerophyte to protect its buds above the ground level. Throughout its development, it exhibits an evergreen deciduousness, retaining its foliage year-round rather than shedding it seasonally. This combination of a perennial lifecycle and a phanerophyte life form allows the species to establish a stable and enduring presence in its ecosystem.

Deciduousness :

evergreen

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Buddleja madagascariensis is characterized by its robust, woody growth form, primarily manifesting as a self-supporting shrub. This terrestrial species exhibits significant variation in stature, with plant heights ranging from a minimum of 1.5 m to a maximum of 5 m, though it maintains an average height of approximately 8 m in certain conditions. As an independent organism, it does not function as a parasite or an epiphyte, instead establishing itself firmly in terrestrial habitats. Its structural development is defined by its woodiness, providing the necessary stability for its shrubby architecture.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

shrub

Parasite :

independent

Plant height max:

5 m

Plant height mean:

8 m

Plant height min:

1.5 m

Woodiness :

woody

Physiology

The physiology of Buddleja madagascariensis is characterized by distinct morphological dimensions in its foliage and specific metabolic processes. The leaves exhibit a significant range in size, with lengths varying from a minimum of 4 cm to a maximum of 15 cm. This variability extends to the leaf width, which fluctuates between a minimum of 1.5 cm and a maximum of 7 cm, maintaining a mean width of approximately 3.5 cm. From a nutritional and symbiotic standpoint, the plant does not function as a nitrogen fixer, meaning it lacks the specialized physiological mechanisms or symbiotic relationships required to convert atmospheric nitrogen into a usable form for its growth.

Leaf length max:

15 cm

Leaf length min:

4 cm

Leaf width max:

7 cm

Leaf width mean:

3.5 cm

Leaf width min:

1.5 cm

Nitrogen fixer :

no

Reproduction

The reproduction of Buddleja madagascariensis is characterized by a diverse array of dispersal mechanisms and specific seed morphological traits. This species exhibits an unspecialized dispersal syndrome that incorporates anemochorous, zoochorous, autochorous, hydrochorous, and anthropochorous methods, suggesting a highly adaptable ability to spread via wind, animals, water, self-dispersal, and human activity. The plant produces dry fruits containing seeds with a highly consistent profile; the seed volume is uniform, with a minimum, maximum, and mean value of 810 mm³. These seeds are remarkably lightweight, maintaining a consistent mass across the minimum, maximum, and mean measurements of 8e-05 g. Furthermore, there is no evidence of asexual reproduction in this species, as it is documented to be absent, indicating that its reproductive cycle relies entirely on sexual processes.

Dispersal syndrome :

unspecialized

Dispersal syndrome :

anthropochorous

Fruit dryness :

dry

Reproduction asexual :

absent

Seed mass mean:

8e-05 g

Seed volume max:

810 mm³

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Buddleja madagascariensis 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 leaf.

Leaf

1. Phytochemistry

Chemicals

Buddleja madagascariensis has 2 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include Mimengoside B, hesperetin.

Mimengoside B

1. Journal of ethnopharmacology

hesperetin

1. Phytochemistry

Conditions

Buddleja madagascariensis has 3 reported investigations on conditions identified across 1 scientific publications and several other databases. The most consistently reported conditions include asthma, bronchitis, coughs.

Asthma

1. Journal of ethnopharmacology

Bronchitis

1. Journal of ethnopharmacology

Coughs

1. Journal of ethnopharmacology