Pterostylis uliginosa D.L.Jones

Marsh greenhood (en)

Species

Angiosperms > Asparagales > Orchidaceae > Pterostylis

Characteristics

Rosette leaves 3–8, ovate to elliptic, 5–16 x 4–9mm, dark green, shiny, margins entire. Flower stem 60–15  tall, fleshy, narrowed towards base, lengthening to 30  in fruit. Flowers 1–7, moderately crowded, 6–7.5 x 2.5mm, externally smooth, bright green and white, shiny, on plump fleshy ovaries. Dorsal sepal about as long as petals, smooth. Synsepalum flat in side view, suddenly bulging near top; frontal opening broadly notched. Free points tapered, c.  long, not extending above hood. Petals smooth. Labellum not visible from outside in any position, obovate, 3–4 x 1.5mm, dark green and white, blunt.
Life form perennial
Growth form herb
Growth support free-standing
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Sexuality hermaphrodite
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Environment

Widely distributed but disjunct, easily overlooked and rarely seen; grows in wet habitats that are often densely vegetated including buttongrass plains, bogs, soaks, swamps, teatree stands, sedgelands and seepage sites in moist to wet sands and peats, sometimes on mounds of decaying litter and peat; also on peat mounds in freshwater swamps.
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Hardiness (USDA) 8-11

Usage

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Cultivation

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Distribution

Pterostylis uliginosa world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:1006476-1
WFO ID wfo-0000288618
COL ID 4Q6LD
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Pterostylis uliginosa Oligochaetochilus fuliginosus Speculantha uliginosa