The Puya mirabilis botanical entity, distinguished by its grandeur and distinctive bell-shaped blossom cluster, captivates botanists and scholastics in nature appreciation. This treatise analyzes four pivotal facets of the Puya mirabilis - its native habitat, developmental traits, extinction risk assessment, and traditional connotations.

I. Habitat and Distributional Range

The Puya mirabilis hails from the lofty Andean plateaus of South America, primarily inhabiting Bolivia, Peru, and Chile. This plant thrives in the arid and intermittent climatic conditions of the region, marking it as an acclimated species resistant to the severe environmental conditions of the Andes. The Puya mirabilis can be spotted across varied biomes including grasslands, páramo, and alpine forests.

Grasping the habitat preference of the Puya mirabilis aids in elucidating its dispersion pattern and population size. By scrutinizing its preferential environments, scholars can optimize predictions regarding the plant’s survival possibilities and developmental capacities in diverse territories.

II. Developmental Traits and Life Cycle

The Puya mirabilis boasts unique developmental traits and lifecycle. It features a colossal subterranean tuber, capable of weighing up to multiple hundreds of pounds; it accumulates energy and supplements, enabling the plant to endure the dry epoch. The plant acquires maturation gradually and could require several years to achieve maturity.

At full fruition, the Puya mirabilis forms a towering bloom spike, soaring up to 6 meters. This spike comprises innumerable minute blossoms, and the plant can generate multiple spikes throughout its lifespan. Post-floral phase, the Puya mirabilis generally passes on, but its progeny can sprout and evolve into youthful plants.

Examining the Puya mirabilis’ developmental traits and life cycle unravels invaluable insights into the plant’s reproductive procedures and survival tactics within its native ecosystem.

III. Exinction Risk Assessment

The International Union for Conservation of Nature (IUCN) classifies the Puya mirabilis as a categorically endangered species. Its population has precipitously diminished owing to multifarious variables like habitat dwindling, excessive grazing by domesticated animals, and climatic shifts.

Preserving endeavors to safeguard the Puya mirabilis and its natural habitat are imperative. These efforts encompass setting up protected zones, endorsing sustainable land management methodologies, and executing research to gain enhanced understanding of the plant’s ecological function and conservation prerequisites.

IV. Traditional Connotations

The Puya mirabilis carries significant traditional connotations for indigenous coteries situuated in the Andes. It's perceived as a sacred flora and often utilized in conventional rites and observances. The plant's singular countenance and developmental trajectories have sparked various myths and stories amongst these communities.

Comprehending the traditional significance of the Puya mirabilis can foster its conservation efforts while fostering broader cognizance about its gravitas in Andean ecosystems and societies.

To sum up, the Puya mirabilis botanical entity is an enigmatic species with myriad compelling traits. By inquiring into its habitat, developmental traits, jeopardy assessment, and traditional connotations, we can underscore the importance of this unique plant in the Andean terrain and its contribution towards sustaining the fragile equilibrium of these high-altitude ecosystems. Safeguarding the Puya mirabilis and its habitat is indispensable for the perpetuation of biodiversity and cultural lineage in the Andes.