Pollen and Spore Atlas

Amaracarpus brassi RUBIACEAE

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Pollen / Spore Morphologic Type(s) Surface Pattern(s) Equatorial Size Polar Size Equatorial Shape(s) Polar Shape(s) Grain Arrangement(s)
min max mean min max mean
pollen tricolporate reticulate 30.0 43.0 37.0 30.0 51.0 42.0 oblate,
trilobate monad

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Wall Thickness 2.4
Pore Shape(s) lalongate
Morphology Notes Tricolporate. Suboblate to oblate spheroidal in ev, trilobed in pv. Pore lalongate; colpus constricted. 37 (30-43) x 42 (30-51). Exine 2.4, sexine gt nexine; reticulate.

Ecology and Geography

Plant Type Cotyledon Type Floristic Region(s)
angiosperm dicot Papua New Guinea (highland)

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Habitat Notes Montane forest
Herbarium Link:


Collector ANU Access Code
Hope ANU 10634 5805

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Collection Site Eastern Highlands Province, Chimbu District, Mt Wilhelm
Collection Country Papua New Guinea
Collection Altitude 2650.0