Australian Tropical Rainforest Orchids
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Papulipetalum nematopodum

Green Cowl Orchid

Papulipetalum nematopodum (F.Muell.) M.A.Clem. & D.L.Jones, Orchadian 13(11): 500 (2002).

Bulbophyllum nematopodum F.Muell., Fragm. 8: 30 (1873); Phyllorchis nematopoda (F.Muell.) Kuntze, Revis. gen. pl. 2: 677 (1891). Type: Ad sinum Rockinghamís Bay in silvis, J.Dallachy s.n. (holo MEL; iso K).

Distribution

Occurs in north-eastern Queensland from Big Tableland to Paluma.

Altitude: 400-1200 m.

Description

Epiphytic or lithophytic herb forming compact clumps. Pseudobulbs crowded, appressed to host, erect, ovoid to flask-shaped, 1.2-2 cm x 0.7-0.9 cm wide, dark green with narrow extended neck. Leaf solitary on pseudobulb, erect, apical, petiole 2-3 cm long, base not sheathing pseudobulb; lamina ovate to obovate, 7-13 cm x 1.5-2 cm wide, dark green, fleshy, shiny, apex obtuse to apiculate. Inflorescence axillary, single-flowered, 50-70 mm long, from the base of the pseudobulb; pedicel filiform, curved sharply near apex. Flowers solitary, resupinate, nodding, 8-10 mm x 10-12 mm, cream or pale green with red spots and pink to red labellum. Sepals and petals not spreading widely. Dorsal sepal hooded, ovate to oblong, 6-8 mm x 3-4 mm. Lateral sepals ovate, 8-10 mm x 4-5 mm, with irregular lines of red spots, bases fused to column foot. Petals minute, oblong, 2 mm x 0.8 mm, with distinct purple apical spot. Labellum hinged to column foot by small claw, oblong, 3 mm x 1.5 mm, obscurely 3-lobed; midlobe shallowly curved, fleshy, base deeply grooved. Column porrect, 2.5 mm long. Column foot 1.5 mm long, at right-angles to the column. Capsules dehiscent.

Ecology

Occurs in rainforests and cloudforests, growing on trees and rocks on ridges where wind, fogs, mists and clouds are frequent.

Locally common.

Flowering period: September-November.

Name Changes

Until recently known as Bulbophyllum nematopodum.

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