Allegheny serviceberry

Names and Synonyms

Common Names

• smooth chuckleypear
• smooth juneberry
• smooth serviceberry
• smooth shadbush

Scientific Names

Accepted name

Synonyms

• Amelanchier laevis var. nitida
• Amelanchier arborea var. laevis
• Amelanchier arborea subsp. laevis
• Amelanchier laevis var. cordifolia
• Amelanchier laevis f. nitida
• Amelanchier laevis f. villosa
• Amelanchier arborea var. cordifolia

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. It is further classified within the order Rosales and the family Rosaceae. Ultimately, its taxonomic identity is defined by its placement in the genus Amelanchier.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant, known as Amelanchier laevis, exhibits a specific range across the landscape of Eastern Canada. Its presence is well-documented throughout the province of New Brunswick. Furthermore, it can be found growing in the coastal regions of Newfoundland. The species also inhabits parts of Nova Scotia and the island of Prince Edward Island. Finally, its geographical distribution extends inland to include the province of Ontario.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Amelanchier laevis is characterized by its status as a perennial species, allowing it to persist in the ecosystem through multiple growing seasons. As a long-lived woody plant, it establishes itself through seed dispersal or vegetative means, developing a robust root system that supports its continued growth and structural integrity over many years. Throughout its life cycle, the plant undergoes seasonal transformations, transitioning from dormant winter states to periods of vigorous spring flowering and summer foliage development, eventually producing fruit that aids in its reproductive longevity.

Lifecycle :

perennial

Morphology

The morphology of Amelanchier laevis is characterized by a woody growth form that can manifest as both a tree and a shrub. This plant exhibits a significant stature, reaching a mean plant height of approximately 11 m. In terms of its structural habit, it is classified as self-supporting, maintaining its upright posture without the need for climbing mechanisms.

Climber :

self-supporting

Growth form :

tree

Growth form :

shrub

Plant height mean:

11 m

Woodiness :

woody

Physiology

The physiology of Amelanchier laevis is characterized by a metabolic framework defined by a C3 photosynthetic pathway, wherein carbon fixation occurs through the direct carboxylation of ribulose-1,5-bisphosphate by the enzyme RuBisCO within the mesophyll cells. This C3 pathway dictates the plant's gas exchange dynamics and water-use efficiency, as it lacks the specialized concentrating mechanisms found in C4 or CAM species, making the plant more susceptible to photorespiration under high-temperature or water-stressed conditions. Consequently, its physiological performance is closely tied to temperate environmental rhythms, optimizing stomatal conductance and photosynthetic rates during periods of moderate light intensity and sufficient moisture availability. This metabolic strategy supports the seasonal growth patterns and carbohydrate storage necessary for its reproductive and vegetative cycles.

Photosynthetic pathway :

C3

Reproduction

The reproduction of Amelanchier laevis is characterized by a distinct dispersal strategy and significant variation in its reproductive output. The plant primarily utilizes a zoochorous dispersal syndrome, relying on animals to aid in the distribution of its seeds across the landscape. The seeds themselves exhibit a wide range of morphological dimensions, with a minimum seed mass of 0.005988 g and a maximum seed mass reaching up to 0.12821 g. On average, the seed mass is approximately 0.0362495 g, reflecting a specialized investment in reproductive units that facilitates their movement through biotic vectors.

Dispersal syndrome :

zoochorous

Seed mass max:

0.12821 g

Seed mass mean:

0.0362495 g

Seed mass min:

0.005988 g

Sources: Global Inventory of Floras and Traits (GIFT)

Activities

Amelanchier laevis has 1 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Estrogenic.

Estrogenic

1. Planta medica