Australian Tropical Rainforest Plants - Online edition

Decaisnina angustata (Barlow) Barlow

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Flowers. © CSIRO
Fruit. © CSIRO

Barlow, B.A. (1993) Blumea 38(1): 77.


Aerial stem-parasitic shrub. Epicortical runners present.


Leaves narrowly elliptic, glaucous and pale coloured or non-glaucous an drying dark coloured. Leaf blades about 7-18 x 1-4 cm, rounded at apex, attenuate at base to petioles about 0.3-1 cm long. Venation usually obvious.


Inflorescence axis about 20-50 mm long bearing 3-9 pairs of triads on peduncles about 1-4 mm long. All flowers sessile. Calyx about 0.7-1 mm long, without lobes or weakly lobed or toothed. Corolla about 18-25 mm long, mainly red but range to dark maroon, near apex green or yellow. Petals united at the base for about 0.5-1 mm. Anthers about (1.5-) 2-2.5 (-3mm) mm long, staminal filaments about 1-2 mm long. Ovary about 3.5 mm long.


Fruit 8-10 mm long, globose, sometimes striped.  Seeds immersed in a translucent gel.


Features not available.

Distribution and Ecology

Occurs in WA, NT, CYP and NEQ. Altitudinal range in northern Austraia from near sea level to 250 m. Usually parasitic on a variety of variety of species in vine forest, gallery forest and monsoon woodland.


Decaisnina petiolata subsp. angustata Barlow, Brunonia 5(2): 205 (1983). Type: Western Australia: Boiga Falls, Drysdale R. Nat. Park, 15°08S., 127°06E., Kenneally 3049, 4.viii.1975.

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