Closed Gentian vs Goldman's Nectar Bat

Gentiana rubricaulis compared with Lonchophylla concava

Key Differences

• Closed Gentian is Least Concern while Goldman's Nectar Bat is Near Threatened.

Taxonomic Classification

Rank	Closed Gentian	Goldman's Nectar Bat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Mammalia (Mammals)
Order	Gentianales (Gentianales)	Chiroptera (Bats)
Family	Gentianaceae	Phyllostomidae
Genus	Gentiana	Lonchophylla
Species	Gentiana rubricaulis	Lonchophylla concava

Conservation Status

Closed Gentian

LC — Least Concern

Goldman's Nectar Bat

NT — Near Threatened

Physical Characteristics

Attribute	Closed Gentian	Goldman's Nectar Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Closed Gentian

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Canada and United States.

Goldman's Nectar Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Closed Gentian

The closed gentian or bottle gentian (Gentiana andrewsii) is a striking herbaceous perennial in the family Gentianaceae native to eastern and central North America, found from Quebec and New England west to Nebraska and south to Georgia. Unlike most gentians, the deep violet-blue flowers of this species remain permanently closed — the petals fused into a bottle-like shape through which only strong bumblebees, primarily Bombus species, can force entry to access nectar and pollen, making it a specialist of bumblebee pollination. Plants grow 30–60 cm tall in moist prairies, wet meadows, fens, stream banks, and open woodland edges, flowering in late summer and autumn when few other wildflowers are in bloom. The closed flower form prevents small insects from accessing floral rewards while selecting for robust, strong-flying pollinators capable of forcing the petals apart. Closed gentian is declining across its range due to loss of moist prairie and fen habitats, wetland drainage, invasive species competition, and the regional decline of specialist bumblebee pollinators, with which its reproductive success is closely linked.