Pterostylis aciculiformis (Nicholls) M.A.Clem. & D.L.Jones

Needle-point rustyhood (en)

Species

Angiosperms > Asparagales > Orchidaceae > Pterostylis

Characteristics

Rosette leaves 5–12, elliptic to ovate-lanceolate, 10–30 x 6–12mm. Flower stem 100–25  tall, 1.5–2.  across, 1–10-flowered. Stem bracts 2–3. Flowers porrect to semi-nodding, 13–16 x 5mm, green and brown with translucent areas, lateral sepals often wholly red-brown. Dorsal sepal point acuminate, 1.5–  long, upcurved. Lateral sepals narrower than hood, concave, tapered into free points; free points 4–  long, narrowly tapered, parallel to weakly divergent, margins incurved. Petals with relatively small basal flanges, 8–9 x 2.5mm. Labellum c.4 x 2mm, fleshy, brown, broadly channelled, apex pointed; margins with 12–24 white bristles 1–2.  long; basal lobe thick, wider than blade, with numerous very short bristles.
Life form perennial
Growth form herb
Growth support free-standing
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Sexuality hermaphrodite
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Environment

Widespread and disjunct, sometimes locally common, growing under eucalypts and native pines in drier open forests and woodland, stunted forests and mallee-broombush communities, usually in infertile shallow stony or gravelly soils; also in shallow soils on rocky slopes and outcrops.
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Hardiness (USDA) 8-11

Usage

Uses animal food
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Cultivation

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Images

Pterostylis aciculiformis unspecified picture

Distribution

Pterostylis aciculiformis world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:947575-1
WFO ID wfo-0000288408
COL ID 4Q6DB
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Oligochaetochilus aciculiformis Pterostylis aciculiformis Pterostylis pusilla var. aciculiformis Pterostylis rufa subsp. aciculiformis