purplequeen

Names and Synonyms

Common Names

• Purple Heart
• purple queen
• Wandering Jew
• wandering Jew

Scientific Names

Accepted name

Synonyms

• Setcreasea pallida
• Setcreasea jaumavensis
• Setcreasea purpurea
• Setcreasea lanceolata
• Tradescantia striata

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Commelinales and family Commelineae, it is classified under the genus Tradescantia. Specifically, its scientific name is Tradescantia pallida.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse geographical distribution spanning several distinct regions. In Southwestern Europe, it can be found growing within the borders of Spain. Its presence extends into Southeastern Europe, specifically across the country of Italy. The species is also documented in Northern Africa, particularly in Tunisia. Finally, it inhabits the Macaronesian islands, including both the Canary Islands and Madeira.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Tradescantia pallida is characterized by its ability to thrive across a broad altitudinal gradient, spanning an elevational range from 0 to 1500 m AMSL. This wide vertical distribution allows the species to occupy diverse ecological niches, ranging from low-lying coastal or tropical lowland environments to higher-altitude montane zones. It typically flourishes in disturbed habitats, open woodlands, and rocky terrains where it can exploit significant sunlight exposure. The plant's adaptability within this 1500-meter range suggests a high tolerance for varying temperature regimes and moisture availability, enabling it to establish robust populations in both humid subtropical settings and more arid, sun-drenched landscapes.

Elevational range max:

1500 m AMSL

Elevational range min:

0 m AMSL

Life history

The life history of Tradescantia pallida is characterized by its status as a perennial plant, allowing it to persist through multiple growing seasons. In terms of its structural growth habit, it is classified as a chamaephyte, a life form where the permanent shoots are located close to the soil surface, often staying low to the ground. This chamaephyte designation is consistent across its life form categorization, indicating a resilient growth strategy that enables the plant to thrive and regenerate effectively over time.

Life form :

chamaephyte

Lifecycle :

perennial

Morphology

Morphologically, Tradescantia pallida is characterized as a non-woody herb and forb that functions as a self-supporting, independent organism rather than a parasite or epiphyte, maintaining a strictly terrestrial habit. It exhibits an ascending shoot orientation, allowing the plant to spread effectively across the ground. The growth form is compact, with a maximum plant height typically reaching 0.5 m. As a terrestrial species, it does not occupy aquatic or semiaquatic niches, nor does it require climbing structures, as it remains self-supporting throughout its life cycle.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Plant height max:

0.5 m

Shoot orientation :

ascending

Woodiness :

non-woody

Physiology

The physiology of Tradescantia pallida is characterized by its specialized morphological adaptations, most notably its pronounced succulence, which facilitates efficient water storage and survival in varying environmental conditions. The plant's vegetative structure is defined by an alternate leaf arrangement, with individual leaves displaying an elliptic form. These leaves exhibit specific dimensional variability, typically ranging in length from a minimum of 7 cm to a maximum of 15 cm, while their width fluctuates between 1.5 cm and 3 cm. This structural configuration, combined with its succulent tissue, supports the plant's metabolic processes and structural integrity.

Leaf arrangement :

alternate

Leaf form :

elliptic

Leaf length max:

15 cm

Leaf length min:

7 cm

Leaf width max:

3 cm

Leaf width min:

1.5 cm

Succulence :

yes

Reproduction

The reproduction of Tradescantia pallida is characterized by its distinct flowering cycle and specific fruit development. The plant typically begins its flowering period in May and concludes around July, though the timing can be variable. During this phase, it produces pink flowers that range in length from 1.5 cm to a maximum of 2 cm. Following pollination, the plant develops a fruit in the form of a capsule. This capsule is a dehiscent type, meaning it opens at maturity to release its seeds. The resulting seeds are relatively small, measuring between a minimum of 2.5 mm and a maximum of 3 mm in length, while the fruit itself reaches a maximum length of approximately 0.35 cm.

Dehiscence :

dehiscent

Flower colour :

pink

Flower length max:

2 cm

Flower length min:

1.5 cm

Flowering time :

May

Flowering time :

Jul

Fruit length max:

0.35 cm

Fruit type :

capsule

Seed length max:

3 mm

Seed length min:

2.5 mm

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Tradescantia pallida has 1 reported plant parts identified across 2 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include leaf.

Leaf

1. Journal of biomolecular structure & dynamics
2. Pharmaceutics

Chemicals

Tradescantia pallida has 4 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include CATECHIN, SYRINGIC ACID, morin, p-coumaric acid.

CATECHIN

1. Journal of biomolecular structure & dynamics

SYRINGIC ACID

1. Journal of biomolecular structure & dynamics

morin

1. Journal of biomolecular structure & dynamics

p-coumaric acid

1. Journal of biomolecular structure & dynamics

Conditions

Tradescantia pallida has 1 reported investigations on conditions identified across 2 scientific publications and several other databases. The most consistently reported conditions include hyperglycemia.

Hyperglycemia

1. Pharmaceutics

Preparations

Tradescantia pallida has 2 reported preparations identified across 2 scientific publications and several other databases. The most consistently reported preparations include ethyl acetate fraction of leaves of Tradescantia pallida, leaves.

Ethyl acetate fraction of leaves of tradescantia pallida

1. Pharmaceutics

Leaves

1. Journal of biomolecular structure & dynamics