Pterostylis jacksonii D.L.Jones & C.J.French

Southwest granite snail orchid (en)

Species

Angiosperms > Asparagales > Orchidaceae > Pterostylis

Characteristics

Leaves either 5–8 in basal rosette or scattered up flower stem, ovate, 4–12 x 3–8mm, thick, fleshy, mid green, margins flat or crinkled. Flower stem 35–10  tall, scabrous; stem leaves 3–4, resembling basal leaves. Flower erect, 14–18 x 4–5mm, translucent white with green stripes and suffusions. Dorsal sepal with short tapered point, longer than petals. Sinus shallowly curved in side view, shallowly notched in front view with dark green central area. Free points thickened, 13–1  long. Labellum hidden, straight with curved apex, 4–4.5 x 1.5–2mm, oblong-ovate, green to brown and white, margins hairy.
Life form perennial
Growth form herb
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Sexuality hermaphrodite
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Environment

Localised in small colonies, growing in shallow loam on ledges and in crevices on granite outcrops.
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Usage

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Cultivation

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Distribution

Pterostylis jacksonii world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:77137822-1
WFO ID wfo-0001338784
COL ID 4Q6GR
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Pterostylis jacksonii