Carolina vervain

Names and Synonyms

Common Names

• Carolina vervain

Scientific Names

Accepted name

Synonyms

• Styleurodon carolinianus
• Verbena pauciflora
• Verbena paucifolia
• Verbena polystachya
• Verbena ehrenbergiana var. richardsonii
• Verbena hirsuta
• Verbena caroliniana f. polystachya
• Verbena caroliniana var. polystachya
• Verbena caroliniana var. recta
• Verbena caroliniana f. recta
• Verbena carolina f. hirsuta
• Verbena carolina var. hirsuta
• Verbena biserrata

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, known as Verbena carolina, belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is categorized under the order Lamiales and the family Verbenaceae. Finally, its taxonomic classification is completed within the genus Verbena.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is widely distributed across specific regions of North America. In the Southwestern United States, its presence is noted in the state of Arizona. Moving into Mexico, the species can be found throughout the central part of the country. It also inhabits the northeastern and northwestern regions of Mexico. Finally, its range extends into the coastal areas of the Mexican Gulf.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Verbena carolina is characterized by its classification as a perennial plant, allowing it to persist through multiple growing seasons, although its lifecycle can exhibit variable tendencies depending on environmental conditions and local climate. In terms of its growth habit and structural strategy, the species functions as a therophyte, completing its reproductive cycle through seeds that allow it to endure unfavorable periods before germinating to establish new growth.

Life form :

therophyte

Lifecycle :

perennial

Morphology

The morphology of Verbena carolina is characterized by its growth form as a non-woody herb and forb, manifesting as a self-supporting plant rather than a climbing liana or vine. It functions as an independent organism, lacking any parasitic or epiphytic tendencies, and maintains a primarily terrestrial habit, although its ecological range can encompass semiaquatic environments. Structurally, the plant is defined by its non-woody stems, which support its upright, herbaceous stature.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Woodiness :

non-woody

Physiology

The physiology of Verbena carolina is characterized by a metabolic framework utilizing the C3 photosynthetic pathway, which involves the direct fixation of atmospheric carbon dioxide by the enzyme RuBisCO during the Calvin cycle. This carbon fixation process occurs within the mesophyll cells, where CO2 is incorporated into a three-carbon compound, facilitating the synthesis of carbohydrates necessary for the plant's growth and energy requirements. As a C3 plant, its physiological efficiency is highly dependent on environmental conditions such as light intensity, temperature, and water availability, as it lacks the specialized concentrating mechanisms found in C4 or CAM species to mitigate photorespiration. Consequently, its stomatal conductance and transpiration rates are tightly regulated to balance the uptake of carbon dioxide against the risk of desiccation, ensuring optimal metabolic function within its ecological niche.

Photosynthetic pathway :

C3

Reproduction

The reproduction of Verbena carolina is characterized by the production of highly uniform seeds, with a consistent seed mass recorded at a mean, maximum, and minimum value of 8e-04 g. This lack of variation in seed size suggests a highly standardized reproductive output. The dispersal of these seeds is facilitated by an unspecialized dispersal syndrome, utilizing a diverse range of mechanisms including anemochory (wind), zoochory (animals), autochory (self-dispersal), and hydrochory (water), ensuring the plant can colonize various environments through multiple ecological vectors.

Dispersal syndrome :

unspecialized

Seed mass mean:

8e-04 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Verbena carolina has 6 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Flavonoids, Hastatoside, Hispidulin, Ursolic acid, Verbascoside.

Flavonoids

1. Brazilian journal of biology = Revista brasleira de biologia

Hastatoside

1. Molecules (Basel, Switzerland)

Hispidulin

1. Molecules (Basel, Switzerland)

Ursolic acid

1. Molecules (Basel, Switzerland)

Verbascoside

1. Molecules (Basel, Switzerland)

Verbenaline

1. Molecules (Basel, Switzerland)

Activities

Verbena carolina has 1 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antimicrobial.

Antimicrobial

1. Molecules (Basel, Switzerland)