Pterostylis nigricans D.L.Jones & M.A.Clem.

Dark greenhood (en)

Species

Angiosperms > Asparagales > Orchidaceae > Pterostylis

Characteristics

Rosette leaves 3–11, ovate, 5–16 x 5–8mm, mid green to bluish, margins entire. Flower stem 100–35  tall, thin, wiry, 2–6-flowered. Flowers widely spaced, 1–3 open at once, externally scabrous, 9–10 x 4–5mm, base green and white, rest dark chocolate-brown. Dorsal sepal about as long as petals, both scabrous. Synsepalum flattish in side view, sharply stepped in at top; frontal opening shallowly and broadly notched. Free points narrowly tapered, c.  long, not exceeding top of hood. Labellum not visible through sinus in any position, diamond-shaped, 3.5–4 x 1.5mm, dark brown and white, blunt.
Life form perennial
Growth form herb
Growth support free-standing
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Sexuality hermaphrodite
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Environment

Locally common in coastal and near-coastal districts, growing in shrubby forest, scrub and heathland in freely draining grey to white sand.
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Hardiness (USDA) 8-12

Usage

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Cultivation

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Distribution

Pterostylis nigricans world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:936024-1
WFO ID wfo-0000288529
COL ID 4Q6HT
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Pterostylis nigricans Speculantha nigricans