Homalanthus novo-guineensis

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Family Euphorbiaceae

Taxonomy: Homalanthus novo-guineensis (Warb.) Lauterb. & K.Schum.

Synonyms: 1 (APC 2026-07-30)

Carumbium novoguineense Warb. (nomenclatural synonym)

Distribution (APC): WA (native and naturalised), NT, Qld

Profiles: APC, Flora of Australia, ALA, iNaturalist, NT eFlora, Florabase, ATRP

Traits

Top source datasets: Apgaua_2017 (12), Cooper_2013 (14), Falster_2005_1 (9), Kooyman_2011 (13), Metcalfe_2009 (20), NTH_2022 (3), NTH_2023 (18), Nano_2011 (2), RBGK_2014 (1), Sjostrom_2006 (4), Sweedman_2006 (3), WAH_2022_2 (3), WAH_2023_2 (2), Wenk_2022 (2), Wenk_2023 (1), Williams_2012 (2). See below for a full list of sources.
Summary: AusTraits contains 58 traits from 109 records in 16 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): fire_killed (3) [sources: Metcalfe_2009; Nano_2011; Williams_2012]
post_fire_recruitment (categorical): post_fire_recruitment (1) [sources: Williams_2012]

flower morphology

sex_type (categorical): monoecious (1) [sources: Sjostrom_2006]

fruit morphology

fruit_length (numerical): 9 mm (8-10 mm) [sources: Cooper_2013; NTH_2023]
fruit_width (numerical): 8.75 mm (8-10 mm) [sources: Cooper_2013; NTH_2023]
fruit_type (categorical): capsule (3) [sources: Cooper_2013; NTH_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (3) [sources: Cooper_2013; Metcalfe_2009; Sjostrom_2006]
fruit_dehiscence (categorical): dehiscent (4) [sources: Cooper_2013; Metcalfe_2009; NTH_2023; Sjostrom_2006]
fruit_colour (categorical): purple (1) [sources: NTH_2023]

leaf morphology

leaf_area (numerical): 21211 mm2 (10682-31740 mm2) [sources: Falster_2005_1; Metcalfe_2009]
leaf_length (numerical): 129.75 mm (40-230 mm) [sources: Kooyman_2011; NTH_2023]
leaf_width (numerical): 108.5 mm (25-230 mm) [sources: Kooyman_2011; NTH_2023]
petiole_length (numerical): 7.45 cm (0.9-14 cm) [sources: NTH_2023]
leaf_mass_per_area (numerical): 82 g/m2 (82-82 g/m2) [sources: Falster_2005_1]
leaf_shape (categorical): elliptical (1); orbicular (1); ovate (1); widely_ovate (1) [sources: NTH_2023]
leaf_base_shape (categorical): rounded (1); truncate (1) [sources: NTH_2023]
leaf_margin (categorical): entire (1) [sources: NTH_2023]
leaf_lobation (categorical): unlobed (1) [sources: Kooyman_2011]
leaf_compoundness (categorical): simple (1) [sources: Kooyman_2011]
leaf_phyllotaxis (categorical): alternate (1) [sources: NTH_2023]
plant_photosynthetic_organ (categorical): leaf (1) [sources: NTH_2023]

life history

photosynthetic_pathway (categorical): c3 (1) [sources: Metcalfe_2009]
plant_growth_form (categorical): shrub (3); tree (7) [sources: Apgaua_2017; Cooper_2013; Kooyman_2011; Metcalfe_2009; NTH_2022; WAH_2022_2; Wenk_2022]
life_form (categorical): phanerophyte (1) [sources: Metcalfe_2009]
life_history (categorical): perennial (4) [sources: Metcalfe_2009; NTH_2022; WAH_2022_2; Wenk_2023]
woodiness_detailed (categorical): woody (3) [sources: NTH_2022; WAH_2022_2; 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): wind (1) [sources: Metcalfe_2009]
dispersal_syndrome (categorical): endozoochory (1) [sources: Metcalfe_2009]
dispersers (categorical): birds (1) [sources: Cooper_2013]
flowering_time (categorical): yyyyyynnnnnn (1) [sources: Cooper_2013]
seedbank_location (categorical): soil_seedbank (1) [sources: Metcalfe_2009]
seedbank_longevity_class (categorical): short_persistent (1) [sources: Metcalfe_2009]
clonal_spread_mechanism (categorical): non_clonal (1) [sources: Metcalfe_2009]
bud_bank_location (categorical): none (1) [sources: Nano_2011]

nutrient and stable isotope

leaf_N_per_dry_mass (numerical): 22 mg/g (22-22 mg/g) [sources: Falster_2005_1]
leaf_delta13C (numerical): -29.48 {delta}[ppth] (-29.48--29.48 {delta}[ppth]) [sources: Apgaua_2017]

seed morphology

seed_dry_mass (numerical): 26.29 mg (7-50 mg) [sources: Falster_2005_1; Metcalfe_2009; RBGK_2014]
seed_length (numerical): 6 mm (6-6 mm) [sources: Cooper_2013; Kooyman_2011]
seed_width (numerical): 3.25 mm (3-3.5 mm) [sources: Kooyman_2011]

stem morphology

wood_density (numerical): 0.29 mg/mm3 (0.27-0.32 mg/mm3) [sources: Apgaua_2017; Falster_2005_1; Kooyman_2011; Metcalfe_2009]
huber_value (numerical): 0 mm2{sapwood}/mm2{leaf} (0-0 mm2{sapwood}/mm2{leaf}) [sources: Falster_2005_1]
stem_vessel_density (numerical): 9.2 {count}/mm2 (9.2-9.2 {count}/mm2) [sources: Apgaua_2017]
stem_vessel_diameter (numerical): 145.26 um (145.26-145.26 um) [sources: Apgaua_2017]
stem_vessel_lumen_fraction (numerical): 0.15 mm2/mm2 (0.15-0.15 mm2/mm2) [sources: Apgaua_2017]

whole plant morphology

plant_height (numerical): 15.67 m (2-25 m) [sources: Cooper_2013; NTH_2023; WAH_2023_2]
plant_physical_defence_structures (categorical): absent (1) [sources: Metcalfe_2009]

Sources

dataset_id	n_traits	n_records	reference
Metcalfe_2009	20	20	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.
NTH_2023	14	18	D. of Land Resource Management and N. T. of Australia. Northern Territory Flora Online. accessed on 6 May, 2022.. 2022. url: http://eflora.nt.gov.au/.
Cooper_2013	11	14	W. Cooper and W. T. Cooper. Australian rainforest fruits. CSIRO Publishing, 2013, p. 272.
Kooyman_2011	9	13	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.
Apgaua_2017	11	12	D. M. G. Apgaua, D. Y. P. Tng, L. A. Cernusak, A. W. Cheesman, R. M. Santos, W. J. Edwards, and S. G. W. Laurance. “Plant functional groups within a tropical forest exhibit different wood functional anatomy”. Functional Ecology 31.3 (2017), pp. 582-591. doi: 10.1111/1365-2435.12787.
Falster_2005_1	7	9	D. S. Falster and M. Westoby. “Alternative height strategies among 45 dicot rain forest species from tropical Queensland, Australia”. Journal of Ecology 93 (2005), pp. 521-535. doi: 10.1111/j.0022-0477.2005.00992.x.
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.
NTH_2022	3	3	D. of Land Resource Management and N. T. of Australia. Northern Territory Flora Online. accessed on 6 May, 2022.. 2022. url: http://eflora.nt.gov.au/.
Sweedman_2006	1	3	L. Sweedman and D. Merritt. Australian Seeds: A Guide to Their Collection, Identification, and Biology. CSIRO Publishing, 2006. ISBN: 9780643094079.
WAH_2022_2	3	3	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.gov.au/.
Nano_2011	2	2	C. E. M. Nano and P. J. Clarke. “How do drought and fire influence the patterns of resprouting in Australian deserts?”. Plant Ecology 212 (2011), pp. 2095-2110. doi: 10.1007/s11258-011-9988-x.
WAH_2023_2	1	2	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2023. url: https://florabase.dpaw.wa.gov.au/.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Williams_2012	2	2	P. R. Williams, M. Parsons, R. Jensen, and C. Tran. “Mechanisms of rainforest persistence and recruitment in frequently burnt wet tropical eucalypt forests”. Austral Ecology 37.2 (2012), pp. 268-275. ISSN: 1442-9993. doi: 10.1111/j.1442-9993.2011.02271.x.
RBGK_2014	1	1	Royal Botanic Gardens Kew. Seed Information Database (SID). 2014. url: http://data.kew.org/sid/.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.