Australian Tropical Rainforest Plants - Online edition

Syzygium monospermum Craven

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Stem, flowers and flower buds. © CSIRO
Stem, flowers and flower buds. © CSIRO
Fruit, two views and cross section. © W. T. Cooper
Leaves [not vouchered]. © G. Sankowsky
Leaves [not vouchered]. © G. Sankowsky
Scale bar 10mm. © CSIRO
Habit, flower & bud, anther, fruit, seedling. © CSIRO

Craven, L. (2003) Blumea 48: 486. Type: Queensland, VCL Noah, 7 nov. 1973, B. Hyland 2960RFK; Holo: CANB; Iso: QRS.

Common name

Satinash, Daintree; Daintree Satinash


Tree to 17 m tall, trunk with slits leading to hollows inhabited by ants. Bark reddish brown, smooth.


Leaf blades about 10.2-24.1 x 4.5-9.3 cm, narrowly obovate or elliptic; petioles about 2.3-5 mm long. Lateral veins about 11-24 on each side of the midrib.


Inflorescence on warty outgrowths on the trunk, 2 or more flowered, cymose or racemose. Filaments yellow to yellowish cream. Hypanthium visibly gland dotted. Sepals 4, inner pair larger than outer pair, persistent. Petals 4, deciduous 16-20 x 14-21 mm. Stamens all fertile, outermost 17-30 mm long. Style 25-35 mm long.


Mature fruit white, 38-40 x 36-41 mm, pericarp adhering to the seed and with peg-like intrusions into the seed. Seed 1, 30 mm diameter; embryo with the cotyledons readily separable.


Cataphylls about 2 or 3 pairs. At the tenth leaf stage: leaf blade obovate or elliptic-obovate, apex short acuminate, base auriculate or obtuse, glabrous; oil dots small. Stems square in transverse section. Seed germination time 15 to 39 days.

Distribution and Ecology

Endemic, occurs in NEQ, known only from the Cape Tribulation - Mossman area. Altitudinal range from near sea level to 600 m. Grows in rain forest.

RFK Code
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