Cuban pink trumpet

Names and Synonyms

Common Names

• White Cedar
• White Wood
• Cuban pink trumpet-tree
• white-cedar

Scientific Names

Accepted name

Synonyms

• Tabebuia dominicensis
• Tabebuia pallida subsp. dominicensis
• Tabebuia heterophylla subsp. dominicensis
• Tabebuia heterophylla subsp. pallida
• Bignonia cranalis
• Bignonia pallida

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, Tabebuia pallida, belongs to the kingdom Plantae and is classified under the phylum Streptophyta and class Equisetopsida. Within the subclass Magnoliidae, it is organized under the order Lamiales and the family Bignoniaceae. Finally, it is categorized under the genus Tabebuia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad distribution across several distinct island regions. Within the Western Indian Ocean, it can be found in both the Seychelles and the Chagos Archipelago. Its range also extends into the Northwestern Pacific, encompassing the Caroline Islands. Additionally, the species is present throughout the Mariana Islands. Finally, the plant is distributed across the Marshall Islands, completing its wide geographical footprint.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Tabebuia pallida is characterized by its classification as a phanerophyte, specifically exhibiting life forms categorized as both phanerophyte and nanophanerophyte. As a woody perennial, its life cycle is defined by the maintenance of its buds well above the ground level, allowing it to persist through various seasonal environmental shifts. Its developmental trajectory involves transitioning from a seedling stage into a robust woody structure, where its growth habit remains consistent with the phanerophyte strategy, ensuring that its vital meristematic tissues are protected from surface-level stressors. This life strategy enables the plant to establish a long-term presence in its ecosystem, utilizing its elevated branching structure to optimize resource acquisition and reproductive success over many years.

Life form :

phanerophyte

Morphology

The morphology of Tabebuia pallida is characterized by its growth form as a woody tree. It functions as an independent organism, meaning it does not exhibit parasitic behavior, and it is strictly terrestrial rather than acting as an epiphyte. Although it possesses a structural robustness typical of its tree growth form, it is categorized as self-supporting in its climbing capacity, rather than being an obligatory or facultative climber.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Woodiness :

woody

Physiology

The physiology of Tabebuia pallida is characterized by a metabolic framework centered on a C3 photosynthetic pathway, which dictates its carbon fixation processes and water-use efficiency. Within this C3 mechanism, the plant utilizes the enzyme RuBisCO to facilitate the initial fixation of atmospheric carbon dioxide into a three-carbon compound, typically 3-phosphoglycerate, during the Calvin cycle. This metabolic strategy implies that the plant undergoes gas exchange primarily through stomatal openings during daylight hours, a process that balances the requirements for CO2 uptake with the risks of transpiration. The physiological efficiency of this pathway in Tabebuia pallida is closely tied to its environmental adaptations, as the reliance on C3 photosynthesis means its photosynthetic rate is highly sensitive to temperature fluctuations and light intensity, influencing its overall growth rate and resource allocation within its ecological niche.

Photosynthetic pathway :

C3

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Tabebuia pallida has 4 reported plant parts identified across 4 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include flower, leaf, root, stem.

Flower

1. BMC research notes

Leaf

1. BMC research notes

Root

1. BMC research notes

Stem

1. BMC research notes

Chemicals

Tabebuia pallida has 4 reported phytochemicals identified across 4 scientific publications and several other databases. The most consistently reported chemicals include Flavonoid, Glycosides, lapachol, quercetin.

Flavonoid

1. BMC research notes

Glycosides

1. Journal of ethnopharmacology

lapachol

1. Journal of ethnopharmacology

quercetin

1. Journal of ethnopharmacology

Activities

Tabebuia pallida has 2 reported activities identified across 4 scientific publications and several other databases. The most consistently reported activities include Antioxidant, Free-Radical Scavenging.

Antioxidant

1. Journal of ethnopharmacology
2. BMC research notes

Free-Radical Scavenging

1. BMC research notes

Conditions

Tabebuia pallida has 3 reported investigations on conditions identified across 4 scientific publications and several other databases. The most consistently reported conditions include cancer, fever, pain.

Cancer

1. Journal of ethnopharmacology

Fever

1. Journal of ethnopharmacology

Pain

1. Journal of ethnopharmacology

Preparations

Tabebuia pallida has 4 reported preparations identified across 4 scientific publications and several other databases. The most consistently reported preparations include methanolic extracts from Tabebuia pallida (T. pallida) flowers (TPF), methanolic extracts from Tabebuia pallida (T. pallida) leaves (TPL), methanolic extracts from Tabebuia pallida (T. pallida) root bark (TPRB), methanolic extracts from Tabebuia pallida (T. pallida) stem bark (TPSB).

Methanolic extracts from tabebuia pallida (t. pallida) flowers (tpf)

1. BMC research notes

Methanolic extracts from tabebuia pallida (t. pallida) leaves (tpl)

1. BMC research notes

Methanolic extracts from tabebuia pallida (t. pallida) root bark (tprb)

1. BMC research notes

Methanolic extracts from tabebuia pallida (t. pallida) stem bark (tpsb)

1. BMC research notes