Prasophyllum triangulare Fitzg.

Dark leek orchid (en)

Species

Angiosperms > Asparagales > Orchidaceae > Prasophyllum

Characteristics

Plants 300–40  tall. Free part of leaf to 150 x 5–8mm, green, brown, purplish or blackish. Spike 90–18  long, 10–35-flowered. Ovary sessile, long, blackish, appressed. Flowers well-spaced, lightly scented, 9–12 x 7–10mm, greenish-purple to brownish-purple, labellum lamina white, pink or purple, callus green. Dorsal sepal 6–7 x 2–2.5mm, incurved. Lateral sepals fused (sometimes free), erect behind labellum, each sepal 6–7 x 2mm. Petals 5–6 x 2mm, incurved or spreading, pointed. Labellum shortly stalked, obliquely erect, recurved gently above middle, 8–9 x 5mm, tip often recurved further, margins entire to slightly wavy. Callus extending nearly to labellum apex, broad, fleshy, tapered.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
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Environment

Highly localised and poorly known, growing in dense shrubland, coastal scrub, mallee communities and woodland in freely draining sand and laterite; also on coastal granite outcrops.
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Cultivation

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Images

Prasophyllum triangulare unspecified picture

Distribution

Prasophyllum triangulare world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:654967-1
WFO ID wfo-0000282504
COL ID 4M9MT
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Prasophyllum triangulare