Australian Tropical Rainforest Plants - Online edition

Polyscias bellendenkerensis (F.M.Bailey) Philipson


Shrub (woody or herbaceous, 1-6 m tall)
Tree
Click/tap on images to enlarge
Flowers. CC-BY: T. Hawkes
Habit, leaves and fruit. © CSIRO
Immature fruit. © ATH
Leaves. © ATH
Scale bar 10mm. © CSIRO
Cotyledon stage, epigeal germination. © CSIRO
10th leaf stage. © CSIRO
Family

Philipson, W.R. (1977) Austrobaileya 1(1): 24.

Stem

Usually grows into a small tree not exceeding 30 cm dbh but usually flowers and fruits as a single stemmed shrub. Blaze odour strong +/- resembling that of mango (Mangifera indica) bark.

Leaves

Freshly broken twigs produce a clear aromatic exudate. Compound leaf petioles clasping the twigs. Terminal leaflet has a long leaflet stalk with a pulvinus at the apex. Leaflet blades about 3-9 x 1.5-3 cm. Terminal buds clothed in short rusty brown hairs.

Flowers

Flowers in umbels which are arranged in panicles. Petals about 2.5-3 mm long. Style arms fused forming a beak-like projection after anthesis.

Fruit

Fruits +/- obovoid, about 8 x 6-7 mm. Styles fused and persisting as a beak at the apex of the fruit. Embryo very small.

Seedlings

Cotyledons lanceolate or elliptic, about 11-17 x 6-8 mm. First pair of leaves with a few teeth towards the apex. At the tenth leaf stage: leaves sometimes a combination of a palmate and a pinnate leaf. Seed germination time 62 to 189 days.

Distribution and Ecology

Endemic to NEQ, known only from collections made on the Bellenden Ker Range, Mt Bartle Frere, the headwaters of Douglas Creek on the Daintree River catchment and the Mt Pieter Botte area at elevations of 750 m or more. Grows only in mountain rain forest.

Synonyms
Kissodendron bellendenkerense (Bailey) Domin, Bibliotheca Botanica 89(4): 1038(1928). Pentapanax bellendenkerensis F.M.Bailey, Queensland Agricultural Journal 15(1): 491(1904), Type: Summit of Bellenden-Ker, Mestons Expedition, 1904.
RFK Code
1004
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