Australian Native Plants

  Pterostylis melagramma (Black-stripped Greenhood Orchid)


Pterostylis melagramma photo
Black-stripped Greenhood orchid (Pterostylis melagramma). Tasmanian Southern midlands.

Photograph by KeresH. Some rights reserved.    (view image details)




PLANT FACTS

distribution map showing range of Pterostylis melagramma in Australia

Map is from The Atlas of Living Australia web site, licensed under Creative Commons Attribution 3.0 Australia License


Common Name
Black-stripped Greenhood Orchid

Other Names
Tall Greenhood

Description
The Black-stripped Greenhood Orchid is a tall terrestrial greenhood orchid growing to about 90 cm in height. The flowers are shiny green with dorsal sepal and lateral petals fused into a hood called a galea. The lateral sepal are joint for most of their length ending in a pair of points. The stem has a cluster of up to ten flowers that grow close to the main stem on short stalks, with flowering in late autumn to early spring. The individual flowers are about 1.5 cm across. The plant has up to 8 dark green leaves that grow to about 9 cm long.

Height
20cm - 90cm

Habitat
semi-shaded areas in open forest, scrubland

Distribution
Pterostylis melagramma is found in south eastern New South Wales, Victoria, Tasmania, and south east of South Australia.

Classification
Class:Liliopsida
Order:Asparagales
Family:Orchidaceae
Genus:Pterostylis
Species:melagramma
Common Name:Black-stripped Greenhood Orchid


Relatives in same Genus
  Pterostylis alpina
  Pterostylis baptistii
  Pterostylis barbata
  Pterostylis coccina
  Pterostylis curta
  Pterostylis nutans
  Pterostylis pyramidalis
  Pterostylis recurva
  Pterostylis sanguinea
  Pterostylis sargentii
  Pterostylis stenochila
  Pterostylis vittata