Dendrobium striolatum Rchb.f.

Streaked Rock-orchid

Hamburger Garten-Blumenzeitung 13: 313 (1857) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: rare (r)

Rock-dwelling, sometimes forming extensive mats. Stems long, pendulous, wiry, new branches arising below leaves, aerial roots often produced from lower nodes. Leaves 1 per node, 1–12 per flowering stem, 2–9 cm long, 1–2 mm wide (rarely more), cylindric, elongate, usually curved, subtended by a sheathing bract (soon deteriorating, often leaving stringy remains). Inflorescence terminal, 1- or 2-flowered; pedicels (including ovary) 1–2 cm long, thread-like, subtending bract tiny and deciduous; flowers with labellum at top, sepals and petals whitish, cream or yellow with a few red to brown streaks at base, labellum white, devoid of markings, chin-like extension of fused sepal-bases well-developed, c. 5 mm long, cylindric, shallowly cleft. Dorsal sepal recurved, narrowly ovate, 10–15 mm long; free part of lateral sepals divergent, tapered to blunt or pointed apex, c. 10–15 mm long. Petals divergent, narrow-obovate or lanceolate, c. 10–15 mm long, narrower than sepals. Labellum curved, c. 15 mm long when straightened; lateral lobes erect, short, blunt; mid-lobe ovate, with upcurved, deeply wavy margins; lamina callus consisting of 3 parallel ridges, becoming wavy as they extend onto mid-lobe. Flowers Sep.–Nov.

EGL, EGU, GipP, HFE, HSF, MonT. Also NSW, Tas. In Victoria confined to East Gippsland where sometimes locally plentiful, chiefly on granite rock faces and crevices in both sheltered and quite exposed sites.

Created by: Jeff Jeanes, 2014-10-02
Updated by: Jeff Jeanes, 2015-02-17
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Asparagales
family Orchidaceae
genus Dendrobium
Higher taxa

Victoria

Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Dendrobium striolatum in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Dendrobium striolatum in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Gippsland Plain present native
East Gippsland Lowlands present native
East Gippsland Uplands present native
Highlands-Southern Fall present native
Monaro Tablelands present native
Highlands-Far East present native

State distribution

Distribution map
State
New South Wales
Australian Capital Territory
Victoria
Tasmania