Rhysotoechia

Rhysotoechia is a genus of tropical rainforest trees, constituting part of the plant family Sapindaceae.

Botanical science knows of about twenty species, found growing naturally in New Guinea, in eastern Queensland, central eastern and north eastern New South Wales, Australia, Borneo, Sulawesi, the Moluccas, the Philippines and additional places in Malesia.^{[1][2][3][4][5][6]} Some species have not yet become well known and more collecting may reveal yet more species.^[3]

Species

This listing may be incomplete and was sourced from the Australian Plant Name Index, the Australian Plant Census, the Australian Tropical Rainforest Plants (2010) information system, original taxonomic research publications, Flora Malesiana and the Flora of Australia.

• Rhysotoechia applanata Etman – New Guinea^[7]
• Rhysotoechia bifoliolata Radlk. – E. Qld, CE & NE. NSW, Australia^[8]

• subsp. bifoliolata – E. Qld, CE & NE. NSW, Australia^[9][10]
• subsp. nitida S.T.Reynolds – Cape York Peninsula endemic, Australia^[4][11][12]

• Rhysotoechia bilocularis Etman – New Guinea^[13]
• Rhysotoechia congesta Etman – New Guinea^[14]
• Rhysotoechia elongata Radlk. – New Guinea^[15]
• Rhysotoechia etmanii W.N.Takeuchi – New Guinea^[16]
• Rhysotoechia flavescens Radlk. – NE. Qld rainforest endemic, Australia^[17][18]
• Rhysotoechia florulenta S.T.Reynolds – NE. Qld mountains rainforest endemic, Australia^[4][19][20]
• Rhysotoechia gracilipes Radlk. – New Guinea^[21]
• Rhysotoechia koordersii Radlk. – Borneo, Sulawesi, Malesia^[22]
• Rhysotoechia mortoniana (F.Muell.) Radlk. – NE. Qld upland and mountains rainforest endemic, Australia^[23][24]
• Rhysotoechia multiscapa Etman – New Guinea^[25]
• Rhysotoechia obtusa Etman – New Guinea^[26]
• Rhysotoechia ramiflora Radlk. – Borneo, Sulawesi, Philippines, Malesia^[27]
• Rhysotoechia robertsonii (F.Muell.) Radlk. – NE. Qld rainforest, Australia and New Guinea^[28][29][30]
• Rhysotoechia welzeniana W.N.Takeuchi – New Guinea^[31]

Imperfectly known species according to the Flora Malesiana, awaiting better description and confirmation

• Rhysotoechia grandifolia Radlk. – Borneo, Moluccas, Malesia^[32]
• Rhysotoechia longipaniculata Kanehira & Hatusima – New Guinea^[33]
• Rhysotoechia momiensis Kanehira & Hatusima – New Guinea^[34]
• Rhysotoechia sp. Waigeo Island, West Papua Leenh.^[35]

References

Cited works

• F.A.Zich; B.P.M.Hyland; T.Whiffen; R.A.Kerrigan (2020). "Australian Tropical Rainforest Plants Home". Australian Tropical Rainforest Plants Edition 8 (RFK8). Centre for Australian National Biodiversity Research (CANBR), Australian Government. Retrieved 21 June 2021.
• Etman, B. (1994). "Rhysotoechia". In Adema, F.; Leenhouts, P. W.; van Welzen, P. C. (eds.). Flora Malesiana. Series I, Spermatophyta : Flowering Plants. Vol. 11 pt. 3: Sapindaceae. Leiden, The Netherlands: Rijksherbarium / Hortus Botanicus, Leiden University. pp. 704–713. ISBN 90-71236-21-8.

• Reynolds, S. T. (1985). "Rhysotoechia". Flora of Australia: Volume 25—Melianthaceae to Simaroubaceae (online version). Flora of Australia series. CSIRO Publishing / Australian Biological Resources Study. pp. 63–65. ISBN 978-0-644-03724-2. {{cite book}}: |format= requires |url= (help)