Australian Tropical Rainforest Plants - Online edition

Guioa semiglauca (F.Muell.) Radlk.

Shrub (woody or herbaceous, 1-6 m tall)
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Leaves and flowers. CC-BY: APII, ANBG.
Female flowers. CC-BY: APII, ANBG.
Male flowers. CC-BY: S. & A. Pearson.
Leaflet undersurface and flowers. CC-BY: S. & A. Pearson.
Dehisced capsule. CC-BY: APII, ANBG.
Leaflet and fruits. CC-BY: S. & A. Pearson.

Radlkofer, L.A.T. (1879), Actes du Congres International de Botanistes .. Amsterdam for 1877: 107.


Tree to 25 m tall, sometimes flowering and fruiting as a small tree around 6 m, trunk fluted, bark non-descript, smooth, mid grey. Young stems and buds with fine appressed hairs, stems becoming hairless.


New growth red. Leaves alternate, pinnately compound. Stipules absent. Petioles 1-3 cm long. Leaflets 2-6, alternate, subopposite or opposite, terminal leaflet absent, rachis projecting beyond last leaflet. Petiolules 2-4 mm long, with a prominent pulvinus at base. Leaflet blades obovate to elliptic to narrow-elliptic, usually 3-9 cm long, 1.5-3 cm wide, base attenuate or cuneate, margins entire, apex acute or obtuse with a mucro. Domatia absent. Upper leaf surfaces hairless, lower leaf surface very sparsely hairy, dull pale grey-green, green-yellow or whitish. Lateral veins 7-12 pairs.


Inflorescences axillary, paniculate. Flowers functionally unisexual, monoecious, 5-merous, slightly zygomorphic, c. 4 mm diam. Calyx 5-lobed, connate at base, 1-2.5 mm long and wide, lobes unequal, green. Petals 5, free, petals subobovate-elliptic with slender claw, each petal with 2 hairy yellow scales about as long as or longer than petals. Male flowers with usually 8 strongly exserted stamens (anthers pink) and a rudimentary ovary; female flowers with usually 8 staminodes and a 3-locular superior ovary. Disc complete or incomplete.


Fruit a dry deeply 2 or 3-lobed capsule, 6-10 mm long and 8-15 mm wide, fruit ranging from green-yellow, grey-green, red-pink or brown. Seed 1 per valve, aril completely enclosing the seed, yellow or orange, connected at dehiscence via long attachment or tail.


Features not available.

Distribution and Ecology

Occurs in CEQ, from Eungella (W of Mackay) to south eastern Queensland and north eastern New South Wales. Common in regrowth and margins of rainforest, 500-900 m.

Natural History & Notes

This profile information and associated coding has been adapted from Reynolds (1984, 1985) and Harden et al. (2014).

Arytera semiglauca F.Muell., Diagnostic notes on new or imperfectly known Australian plants. Transactions of the Philosophical Institute of Victoria 3: 25 (1859). Type: "In the forest near Moreton Bay. Hill and Mueller." Cupania semiglauca (F.Muell.) Benth., Flora Australiensis 1: 457-458 (1863). Nephelium semiglaucum (F.Muell.) F.Muell., Fragmenta Phytographiae Australiae 4(30): 158, (1864). Nephelium semiglaucum (F.Muell.) F.Muell. var. semiglaucum., Bailey, J.F. & White, C.T. Botany Bulletin. Department of Agriculture, Queensland 18: 6, (1916).
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