Pterostylis melagramma D.L.Jones

Black-striped greenhood orchid (en)

Species

Angiosperms > Asparagales > Orchidaceae > Pterostylis

Characteristics

Rosette stalk 5–10  long; leaves 3–6, 10–50 x 4–8mm. Flower stem 150–80  tall; stem leaves 5–7, 25–80 x 5–10mm, tip often brownish. Flowers 1–20, 12–15 x 5.5–7mm, pale translucent green with indistinct darker green stripes, shiny. Dorsal sepal tip green to brown. Lateral sepals about as wide as galea, 9–12 x 5.5–7mm, margins curved, tips green to brown. Petals without basal flanges, 10–13 x 2.5–3mm, outer margin nearly straight. Labellum 5–6 x 2–2.5mm, oblong, tawny, brownish, cream or yellowish with dark brown to black basal mound and central stripe; surface cells mostly bead-like, some longer hair-like cells at base.
Life form perennial
Growth form herb
Growth support free-standing
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Sexuality hermaphrodite
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Environment

Widespread and common from coast to mountains and tablelands, growing in moist to wet sclerophyll forests, sheltered humid areas of open forest, teatree scrub, coastal scrub and occasionally heath in range of soils including sandy loam, clay loam and well-structured mountain soils. Sometimes seen growing in accumulations of forest litter and contrastingly on bare rocky outcrops in shallow soil. In dense forests it grows in clearings and on track margins, including animal pads.
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Hardiness (USDA) 7-11

Usage

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Cultivation

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Images

Pterostylis melagramma unspecified picture

Distribution

Pterostylis melagramma world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:1006472-1
WFO ID wfo-0000288519
COL ID 78M9T
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Oligochaetochilus melagrammus Pterostylis melagramma Bunochilus melagrammus