Rhysotoechia robertsonii

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Family Sapindaceae

Taxonomy: Rhysotoechia robertsonii (F.Muell.) Radlk.

Synonyms: 3 (APC 2026-07-30)

Cupania robertsonii F.Muell. (nomenclatural synonym)
Rhysotoechia contermina Domin (taxonomic synonym)
Rhysotoechia robertsoni Radlk. (orthographic variant)

Distribution (APC): Qld

Profiles: APC, Flora of Australia, ALA, iNaturalist, ATRP

Traits

Top source datasets: ABRS_2022 (4), ABRS_2023 (23), Cheesman_2020 (8), Cooper_2013 (14), Gross_2005 (4), Grubb_1996 (2), Kew_2019_1 (2), Kooyman_2011 (10), Metcalfe_2009 (18), Sjostrom_2006 (4), Wells_2012 (97), Wenk_2022 (2), Wenk_2023 (1), Wright_2000 (2). See below for a full list of sources.
Summary: AusTraits contains 65 traits from 191 records in 14 datasets.

Traits by category (click to expand). For categorical traits, the values are listed. For numerical traits, the mean and range are shown.

fire response

resprouting_capacity (categorical): resprouts (1) [sources: Metcalfe_2009]

flower morphology

sex_type (categorical): monoecious (3) [sources: ABRS_2022; Gross_2005; Sjostrom_2006]

fruit morphology

fruit_length (numerical): 22 mm (16-28 mm) [sources: ABRS_2023; Cooper_2013]
fruit_width (numerical): 27.75 mm (22-35 mm) [sources: ABRS_2023; Cooper_2013]
fruit_height (numerical): 27 mm (22-32 mm) [sources: ABRS_2023]
fruit_type (categorical): capsule (3) [sources: Cooper_2013; Gross_2005; Sjostrom_2006]
fruit_fleshiness (categorical): dry (5) [sources: Cooper_2013; Gross_2005; Metcalfe_2009; Sjostrom_2006; Wells_2012]
fruit_dehiscence (categorical): dehiscent (6) [sources: ABRS_2023; Cooper_2013; Gross_2005; Metcalfe_2009; Sjostrom_2006; Wells_2012]
fruit_colour (categorical): orange (1); red (1); yellow (1) [sources: ABRS_2023]

leaf morphology

leaf_area (numerical): 5324.7 mm2 (2825.9-10710 mm2) [sources: Cheesman_2020; Metcalfe_2009; Wells_2012]
leaflet_area (numerical): 3573.02 mm2 (3369.58-3923.23 mm2) [sources: Wells_2012]
leaf_length (numerical): 165 mm (70-210 mm) [sources: ABRS_2023; Kooyman_2011]
leaf_width (numerical): 62.5 mm (25-85 mm) [sources: ABRS_2023; Kooyman_2011]
leaf_dry_mass (numerical): 172.58 mg (133.7-248.48 mg) [sources: Wells_2012]
petiole_length (numerical): 3.25 cm (2.5-4 cm) [sources: ABRS_2023]
leaf_mass_per_area (numerical): 70.37 g/m2 (44.77-96.51 g/m2) [sources: Cheesman_2020; Wells_2012]
leaf_dry_matter_content (numerical): 0.32 g/g (0.29-0.35 g/g) [sources: Wells_2012]
leaf_shape (categorical): elliptical (1); oblong (1); obovate (1) [sources: ABRS_2023]
leaf_base_shape (categorical): acute (1); oblique (1) [sources: ABRS_2023]
leaf_margin (categorical): entire (2) [sources: ABRS_2023]
leaf_lobation (categorical): unlobed (1) [sources: Kooyman_2011]
leaf_compoundness (categorical): compound (2) [sources: ABRS_2023; Kooyman_2011]
plant_photosynthetic_organ (categorical): leaf (1) [sources: ABRS_2023]

life history

photosynthetic_pathway (categorical): c3 (1) [sources: Metcalfe_2009]
plant_growth_form (categorical): shrub (1); tree (8) [sources: ABRS_2022; Cheesman_2020; Cooper_2013; Grubb_1996; Kooyman_2011; Metcalfe_2009; Wells_2012; Wenk_2022]
life_form (categorical): phanerophyte (1) [sources: Metcalfe_2009]
life_history (categorical): perennial (3) [sources: ABRS_2022; Metcalfe_2009; Wenk_2023]
woodiness_detailed (categorical): woody (2) [sources: ABRS_2022; Wenk_2022]
leaf_phenology (categorical): evergreen (1) [sources: Kooyman_2011]
nitrogen_fixing (categorical): non_nitrogen_fixer (1) [sources: Metcalfe_2009]
root_structure (categorical): mycorrhizal (1) [sources: Metcalfe_2009]
pollination_syndrome (categorical): bee (2) [sources: Metcalfe_2009; Wells_2012]
dispersal_syndrome (categorical): endozoochory (1) [sources: Metcalfe_2009]
dispersers (categorical): birds (1); cassowaries (2) [sources: Cooper_2013; Wells_2012]
flowering_time (categorical): yynnnnnnyyyy (1) [sources: Cooper_2013]
seedbank_longevity_class (categorical): transient (1) [sources: Metcalfe_2009]
clonal_spread_mechanism (categorical): non_clonal (1) [sources: Metcalfe_2009]

nutrient and stable isotope

leaf_N_per_dry_mass (numerical): 15.95 mg/g (15.95-15.95 mg/g) [sources: Cheesman_2020]
leaf_delta13C (numerical): -33.37 {delta}[ppth] (-33.37--33.37 {delta}[ppth]) [sources: Cheesman_2020]

seed morphology

seed_dry_mass (numerical): 307.92 mg (271.69-320 mg) [sources: Grubb_1996; Kew_2019_1]
seed_length (numerical): 12.5 mm (11-14 mm) [sources: Cooper_2013; Kooyman_2011]
seed_width (numerical): 11 mm (10-12 mm) [sources: Kooyman_2011]
seed_shape (categorical): ellipsoid (1) [sources: ABRS_2023]

stem morphology

wood_density (numerical): 0.7 mg/mm3 (0.66-0.75 mg/mm3) [sources: Metcalfe_2009; Wells_2012]

whole plant morphology

plant_height (numerical): 16 m (16-16 m) [sources: ABRS_2023; Cooper_2013]
plant_physical_defence_structures (categorical): absent (1) [sources: Metcalfe_2009]

Sources

dataset_id	n_traits	n_records	reference
Wells_2012	25	97	J. A. Wells. “Phylogeny and inter-relations of ecological traits and seed dispersal in rainforest plants: Exploring aspects of functional diversity in primary and secondary rainforests in Australia's Wet Tropics.”. PhD. University of Queensland, 2012.
ABRS_2023	16	23	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
Metcalfe_2009	18	18	E. Laliberte, J. A. Wells, F. DeClerck, D. J. Metcalfe, C. P. Catterall, C. Queiroz, I. Aubin, S. P. Bonser, Y. Ding, J. M. Fraterrigo, S. McNamara, J. W. Morgan, D. S. Merlos, P. A. Vesk, and M. M. Mayfield. “Land-use intensification reduces functional redundancy and response diversity in plant communities”. Ecology Letters 13.1 (2010), pp. 76-86. doi: 10.1111/j.1461-0248.2009.01403.x.
Cooper_2013	11	14	W. Cooper and W. T. Cooper. Australian rainforest fruits. CSIRO Publishing, 2013, p. 272.
Kooyman_2011	8	10	R. Kooyman, M. Rossetto, W. Cornwell, and M. Westoby. “Phylogenetic tests of community assembly across regional to continental scales in tropical and subtropical rain forests”. Global Ecology and Biogeography 20 (2011), pp. 707-716. doi: 10.1111/j.1466-8238.2010.00641.x.
Cheesman_2020	8	8	A. W. Cheesman, H. Duff, K. Hill, L. A. Cernusak, and F. A. McInerney. “Isotopic and morphologic proxies for reconstructing light environment and leaf function of fossil leaves: A modern calibration in the Daintree Rainforest, Australia”. American Journal of Botany 107 (2020), pp. 1165-1176. doi: 10.1002/ajb2.1523.
ABRS_2022	4	4	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2022. url: http://www.ausflora.org.au.
Gross_2005	4	4	C. L. Gross. “A comparison of the sexual systems in the trees from the Australian tropics with other tropical biomes-more monoecy but why?”. American Journal of Botany 92.6 (2005), pp. 907-919. doi: 10.3732/ajb.92.6.907.
Sjostrom_2006	4	4	A. Sjöström and C. L. Gross. “Life-history characters and phylogeny are correlated with extinction risk in the Australian angiosperms”. Journal of Biogeography 33.2 (2006), pp. 271-290. doi: 10.1111/j.1365-2699.2005.01393.x.
Grubb_1996	2	2	P. J. Grubb and D. J. Metcalfe. “Adaptation and inertia in the Australian tropical lowland rain-forest flora: Contradictory trends in intergeneric and intrageneric comparisons of seed size in relation to light demand”. Functional Ecology 10 (1996), pp. 512-520. doi: 10.2307/2389944.
Kew_2019_1	1	2	Royal Botanic Gardens Kew. Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Wright_2000	2	2	I. J. Wright, H. T. Clifford, R. Kidson, M. L. Reed, B. L. Rice, and M. Westoby. “A survey of seed and seedling characters in 1744 Australian dicotyledon species: Cross-species trait correlations and correlated trait-shifts within evolutionary lineages”. Biological Journal of the Linnean Society 69 (2000), pp. 521-547. doi: 10.1111/j.1095-8312.2000.tb01222.x.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.