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Dendrobium teretifolium R.Br.
Family Orchidaceae
Common name: Rat's Tail Orchid

Dendrobium teretifolium R.Br. APNI*

Synonyms: Dockrillia teretifolia (R.Br.) Brieger APNI*

Description: Epiphyte or epilith with stems spreading to pendent, wiry, rooting only at base of sympodium, 5–15 cm long, 1–4 mm diam., with 1 leaf at apex; roots smooth, creeping.

Leaves pendent, linear, terete, 10–60 cm long, 3–8 mm diam, succulent, smooth.

Inflorescences 4–10 cm long, 4–15-flowered. Sepals and lateral petals white to pale yellow with a few short red or purple striations at the base; dorsal sepal 20–40 mm long, 2–3 mm wide; labellum white to pale yellow, dotted with deep purple, 18–30 mm long, 4–6 mm wide. Column 2–2.5 mm long; column foot 3–5 mm long.


Flower
Photo W. Cherry

Flowering: July–Oct.

Distribution and occurrence: Grows almost exclusively on Casuarina glauca but uncommonly also recorded from rainforest trees, chiefly in coastal districts north from near Bega and inland to the upper Hunter Valley.
NSW subdivisions: NC, CC, SC, CT, CWS
Other Australian states: Qld
AVH map***

Text by P. H. Weston
Taxon concept: Flora of NSW 4 (1993)


APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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