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Pterostylis striata Fitzg.
Family Orchidaceae
Common name: Striped Greenhood

Pterostylis striata Fitzg. APNI*

Synonyms: Diplodium striatum (Fitzg.) D.L.Jones & M.A.Clem. APNI*
Pterostylis alata auct. non (Labill.) Rchb.f. APNI*

Description: Terrestrial herb.

Rosette leaves 5–9, ovate to elliptic, 0.6–3 cm long, 4–14 mm wide, margins crisped; petiolate.

Scape to 25 cm high, with 3–5 spreading stem leaves. Flower c. 20 mm long, erect, green and white with brown towards apex of galea. Dorsal sepal with a filiform point c. 5 mm long. Petal margins not flared. Lateral sepals tightly embracing the galea; sinus flat with a shallow central notch, protruding in a shallow curve when viewed from the side; free points to 2 cm long, filiform, erect, often curved forwards at the apex. Labellum oblong-lanceolate, suddenly tapered above the middle, 8–10 mm long, c. 2.3 mm wide, the tip just visible from the sinus in the set position.

Flowering: March–August

Distribution and occurrence: Grows in moist, shady slopes of sclerophyll forest, south from near Orange.
NSW subdivisions: CT, CWS
Other Australian states: Vic.
AVH map***

Previously included in Pterostylis alata (Labill.) Rchb.f., but that taxon now considered to be endemic to Tasmania.

Text by D. L. Jones
Taxon concept: Flora of NSW 4 (1993); modified Aug 2008

APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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