Prasophyllum spadiceum D.L.Jones & R.J.Bates

Brown-lip Leek-orchid

Austral. Orchid Review 82: 35, 36 (2017)

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: vulnerable (v)

Flowering stem slender, 20–40 cm tall. Leaf-blade to 20 cm long, 2–4 mm diam. at base, erect, apex senescent at flowering. Flowers 10–30, mostly greenish, fragrant, in a dense raceme 5–10 cm long; ovary sessile, obovoid, 5–7 mm long; sepals 5–7 mm long, dorsal sepal ovate-lanceolate, acute, lateral sepals free, ovate-lanceolate, parallel to slightly divergent, recurved, apex bidentate; petals 4–5 mm long, linear-lanceolate, spreading, whitish. Labellum sessile, ovate, 4–5 mm long, reflexed at 45–90 deg. near the middle, lamina white, upper margins undulate; callus slightly raised, narrowing distally and extending nearly to labellum apex, brown, papillate. Column appendages oblong, to 2 mm long. Flowers Oct.

Also SA. In Victoria, known only from about 100 plants growing in heathy woodland on sandy soil near Apsley.

Closely related to the South Australian Prasophyllum fitzgeraldii, but that species has a darker pink to reddish labellum lamina and the callus plate has a different structure.

True Prasophyllum fitzgeraldii, as represented by the type specimen from the Lofty Ranges, S.Aust., in not believed to occur in Victoria.

Created by: Jeff Jeanes, 2015-04-10
Updated by: Val Stajsic, 2018-02-15
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life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Asparagales
family Orchidaceae
genus Prasophyllum
Higher taxa