Rhysotoechia flavescens Radlk.

 ALA  NSL [legitimate]
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Radlkofer, L.A.T. (1879), Ueber Cupania und damit verwandte pflanzen. Sitzungsberichte der Mathematisch-Physikalischen Classe der Königlichen Bayerischen Akademie der Wissenschaften zu Munchen 9: 522, 541, 658

Nomenclature

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Etman, B. (1994), A taxonomic and phylogenetic analysis of Rhysotoechia (Sapindaceae). Blumea 39(1/2): 60
 APC
 NSL
pro parte misapplication Cupania robertsonii F.Muell. by Mueller, F.J.H. von (July 1875), Fragmenta Phytographiae Australiae 9(76): 94
  Etman, B. (1994), A taxonomic and phylogenetic analysis of Rhysotoechia (Sapindaceae). Blumea 39(1/2): 60
 APC
 NSL
pro parte misapplication Cupania robertsonii F.Muell. by Mueller, F.J.H. von (July 1875), Fragmenta Phytographiae Australiae 9(76): 94

Specimens

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Description

Tree to 14 m high, glabrous except flowers. Leaf rachis 17–22.5 cm long; leaflets 2–8, occasionally to 12, oblong-ovate to elliptic-oblong, ± falcate, acute to subcaudate, acute and oblique at base, 13–16 cm long, 4.5–5.5 cm wide, rarely to 25 cm long and 9.5 cm wide, shining above, finely veined and reticulate; lateral veins 12–20 pairs; petiolules long-pulvinate, 7–10 mm long; petioles 3.5–8 cm long. Panicles 20–34 cm long, densely flowered; pedicels 2–5 mm long. Calyx lobes 1.5–4 mm long. Petals 2.5 mm long, long-clawed, with thickened basal margins, pubescent inside. Disc glabrous. Filaments 4–5 mm long, villous. Fruit shortly stipitate, broadly obovoid, 1.8–2 cm long, 2–2.5 cm diam., 2-locular; valves thickly coriaceous, reticulate.

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Diagnostic Features

Rhysotoechia flavescens is distinctive in having densely veined, very shiny leaflets, large inflorescences and 2-locular fruit.

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Biostatus

Native.

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Distribution

Occurs in north Queensland from Mossman to Tully.

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Habitat

Grows in montane rainforest.

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Representative Herbarium Specimens

Qld: near Black Mountain, E of Mount Molloy, B.P.M. Hyland 8649 (BRI, NSW); Danbulla, B.P.M. Hyland 2178 (QRS); near Mossman, V.K. Moriarty 2472 (QRS); Tully, K.J. White 53/295 (BRI).

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Illustrations

S.T. Reynolds, Austrobaileya 2(1): 43, fig. 3 I–K (1984); W. Cooper & W.T. Cooper, Fruits of the Australian Tropical Rainforest 498 (2004).

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Bibliography

Cooper, W. & Cooper, W.T. (2004). Fruits of the Australian Tropical Rainforest. (Nokomis Editions: Melbourne).

Reynolds, S.T. (1984). Notes on Sapindaceae, III. Austrobaileya 2(1): 29–64; Rhysotoechia pp. 41–44.

Reynolds, S.T. (1985). Rhysotoechia, in George, A.S. (ed.), Flora of Australia 25: 63–65. (Australian Government Publishing Service: Canberra).

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Source

Revised edition published 4 September 2020. Adapted from Reynolds (1985).

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Taxonomy from

Australian Plant Image Index
Rhysotoechia flavescens by Unknown, 02/03/1976 (© Centre for National Biodiversity Research)

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Characters

From the Acacia characters species list, created by on Mar 12, 2015.
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© Copyright Commonwealth of Australia, 2024
Last updated: Unknown; Feb 29, 2024 12:35 Status: Legacy

Author - S.T. Reynolds

Contributor - John R. Busby (ed. March 2020); P.G. Kodela (ed. September 2020)

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Acknowledgements -

Cite this profile as: S.T. Reynolds. Rhysotoechia flavescens, in (ed.), Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. https://profiles.ala.org.au/opus/foa/profile/Rhysotoechia%20flavescens [Date Accessed: 13 March 2025]