This native epiphyte is commonly known as rectangular-bulbed dendrobium.
Dendrobium tetragonum is described as a "monocot" in the Orchidaceae family.
In the Queensland Nature Conservation Act it is classified as Least Concern. Under the Federal Environment Protection Biodiversity Conservation Act it is not classified.
A small to medium straggling epiphytic plant growing on trees and shrubs. Stems (pseudobulbs) thin, four sided in upper sections, 18-30cm long with 2-4 apical leaves 4-6cm in length. Flowering racemes 8-20cm long with 3-5 3-4cm diameter, spidery greenish-brown flowers with a blotched labellum. Flowering period July-August. Not common; Craignish; Teddington (Alan Logan). Listed as a special least concern species in Queensland (https://www.qld.gov.au/environment/plants-animals/plants/protected-plants/harvesting).
It has been recorded in the Wide Bay district in the Queensland Herbarium Census and is listed as occurring in the Fraser Coast region in Queensland Herbarium Wildlife Online.
Reported at 13 Fraser Coast localities: Bauple, Bidwill, Boompa, Booral, Brooweena, Craignish, Howard, K'gari, Magnolia, St Mary, Takura, Teddington, Woocoo.
Fraser Coast distribution based on unverified field reports.
AVH