Australian Tropical Rainforest Plants - Online edition

Mitrephora diversifolia (Span.) Miq.

Click/tap on images to enlarge
Flowers. © CSIRO
Flower [not vouchered]. © G. Sankowsky
Flower [not vouchered]. © G. Sankowsky
Leaves and flower [not vouchered]. © G. Sankowsky
Scale bar 10mm. © CSIRO
10th leaf stage. © CSIRO
Cotyledon stage, epigeal germination. © CSIRO

Miquel, F.A.W. (1858) Fl. Ned. Ind. 1(2): 32. Type: Timor, J. Spanoghe. Isolecto: L, MEL. (Fide Jessup (2007).

Common name

Flying Duck Flower


Usually grows into a small tree but also flowers and fruits as a shrub. Subrhytidome layer very dark, almost black. Blaze finely layered. Narrow fibrous stripes in the outer blaze.


Leaf blades about 7-18 x 2.5-6 cm. Petioles short, transversely wrinkled. Small oil dots visible with a lens. Fine oak grain in the twigs and expanded rays in the twig bark. Twig bark strong and fibrous when stripped. Terminal buds densely clothed in rusty brown hairs.


Pedicels at flowering 3-6 mm long. Inner petals about 15 mm long, narrow at the base, much smaller than the outer petals, arched and +/- fused at the hairy apices before anthesis. Stamens more than 50. Ovaries about 12.


Fruiting carpels sessile, about 28-32 x 20-25 mm, pubescent on the outer surface. Seeds five or six per carpel, each seed flattened-reniform, about 12 x 7 mm, testa shallowly pitted. Embryo minute.


Cotyledons ovate, about 25-30 x 20-25 mm, hairy along midrib on upper surface. At the tenth leaf stage: leaves ovate to elliptic, upper surface hairy along midrib, lateral veins about 7 or 8 each side of the midrib; petiole, stem and buds densely clothed in brown hairs. Seed germination time 241 to 243 days.

Distribution and Ecology

Occurs in CYP, restricted to the Bamaga, Iron Range and McIlwraith Range areas. Altitudinal range from near sea level to 450 m. Grows in well developed gallery forest. Also occurs in Malesia.

Mitrephora zippeliana Miq., Ann. Mus. Bot. Lugd. Bat. 2: 27(1865), Type: Ambon, A. Zipelius.Isolecto L.
RFK Code
Copyright © CSIRO 2020, all rights reserved.