Coastal Dendrobium vs Gray-shanked Douc Langur

Dendrobium litorale compared with Pygathrix cinerea

Key Differences

• Coastal Dendrobium is Least Concern while Gray-shanked Douc Langur is Critically Endangered.

Taxonomic Classification

Rank	Coastal Dendrobium	Gray-shanked Douc Langur
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Mammalia (Mammals)
Order	Asparagales (Asparagales)	Primates (Primates)
Family	Orchidaceae	Cercopithecidae (Old World Monkeys)
Genus	Dendrobium	Pygathrix
Species	Dendrobium litorale	Pygathrix cinerea

Conservation Status

Coastal Dendrobium

LC — Least Concern

Gray-shanked Douc Langur

CR — Critically Endangered

Physical Characteristics

Attribute	Coastal Dendrobium	Gray-shanked Douc Langur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Coastal Dendrobium

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Gray-shanked Douc Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Coastal Dendrobium

Dendrobium litorale, the coastal dendrobium, is an epiphytic orchid in the family Orchidaceae native to lowland coastal forests and mangrove margins across the Pacific island region, including Papua New Guinea, the Solomon Islands, and adjacent island groups. The genus Dendrobium is one of the largest in the Orchidaceae, comprising over 1,800 described species distributed from tropical Asia through Australasia and the Pacific, and includes numerous horticulturally important species cultivated worldwide. Dendrobium litorale grows as an epiphyte attached to tree branches and trunks in humid coastal forest environments, including forest-mangrove transition zones subject to salt spray and tidal influence that few other orchids can tolerate. The pseudobulbs store water and nutrients, enabling survival during intermittent dry periods. Flowers are typically small to medium-sized with white or pale coloring and complex labellum structures that guide pollinators, often specific bee species, into contact with pollen. The species is classified as Least Concern by the IUCN. Coastal lowland forests across the Pacific face significant ongoing pressure from logging, oil palm conversion, and human settlement expansion, threatening the specific forest-mangrove habitats this coastal orchid requires.