AAU Herbarium Database

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Collector Poulsen, A.D.
Number 2509
Collected with B.Bau, D.Bosimbi, D.M.Game, M.Hinato
Country Papua New Guinea
Subpart Morobe
County  
Locality Bulolo District. West Watut Timber Right Purchase Area. Gumi ridge. Secondary montane forest dominated by Eleocarpaceae, Fagaceae, Cunoniaceae.
Coordinates 7° 11' S 146° 28' E
Minimum elevation (m) 2150
Maximum elevation (m) 2150
Start date 2006/12/23
End date 2006/12/23
Family Zingiberaceae
Identification Pleuranthodium
Determined by  
Identification qualifier  
Field notes Terrestial herb in dense clump ( 5-20 cm between neighbouring shoots). Leafy shoots 2-3.5 m long. Base 5-8 cm, pale pink to pale brown. Sheath green. Ligulle truncate to slightly emarginate, brown. Petiole to 15 mm long. Lamina to 66 x 19 cm, narrowly ovate, slightly plicate, plastic like texture, base rounded, apex acute, margin yellowish orange. Inflorescence terminal appearing to 30 cm below apex, enclosed by 3 bracts: to 40 cm long, yellow with pointed green tips to 18 cm. Inflorescence below plane of distichy of leaves, eventually becoming pendulous, with at least 400 flowers, many open at the same time, before bracts are shed, starting from base. Peduncle reddish. Ovary orange-yellow with reddish tinge. Calyx brownish purple. Corolla lobes dark purple. Labellum pale purple, central lobe darker, bidentate. Stamen purple. Stigma pale orange-red. Fruits orange-red, smooth, shiny, splitting in 3, pyriform, calyx and corolla +/- persistent, brown. Seeds brown. Material in spirit. DNA sampled.

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