Mallotus mollissimus

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Family Euphorbiaceae

Taxonomy: Mallotus mollissimus (Geiseler) Airy Shaw

Synonyms: 8 (APC 2026-07-30)

Adisca zippelii Blume (taxonomic synonym)
Croton mollissimus Geiseler (nomenclatural synonym)
Croton ricinoides Pers. (taxonomic synonym)
Echinus mollissimus (Geiseler) Baill. (nomenclatural synonym)
Mallotus mollisimus K.A.W.Williams (orthographic variant)
Mallotus pycnostachys F.Muell. (taxonomic synonym)
Mallotus ricinoides (Pers.) Müll.Arg. (taxonomic synonym)
Mallotus zippelii (Blume) F.Muell. (taxonomic synonym)

Distribution (APC): Qld

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

Traits

Top source datasets: Apgaua_2017 (12), Cooper_2013 (14), Falster_2005_1 (10), Gross_2005 (4), Grubb_1996 (2), Ilic_2000 (2), Kew_2019_1 (2), Kooyman_2011 (13), Metcalfe_2009 (19), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), Wright_2000 (2). See below for a full list of sources.
Summary: AusTraits contains 50 traits from 87 records in 13 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 (2) [sources: Gross_2005; Sjostrom_2006]

fruit morphology

fruit_length (numerical): 6.5 mm (5-8 mm) [sources: Cooper_2013]
fruit_width (numerical): 7.5 mm (7-8 mm) [sources: Cooper_2013]
fruit_type (categorical): capsule (3) [sources: Cooper_2013; Gross_2005; Sjostrom_2006]
fruit_fleshiness (categorical): dry (4) [sources: Cooper_2013; Gross_2005; Metcalfe_2009; Sjostrom_2006]
fruit_dehiscence (categorical): dehiscent (3) [sources: Cooper_2013; Gross_2005; Sjostrom_2006]

leaf morphology

leaf_area (numerical): 30858 mm2 (16716-45000 mm2) [sources: Falster_2005_1; Metcalfe_2009]
leaf_length (numerical): 172.5 mm (45-300 mm) [sources: Kooyman_2011]
leaf_width (numerical): 136 mm (22-250 mm) [sources: Kooyman_2011]
leaf_mass_per_area (numerical): 63 g/m2 (63-63 g/m2) [sources: Falster_2005_1]
leaf_lobation (categorical): unlobed (1) [sources: Kooyman_2011]
leaf_compoundness (categorical): simple (1) [sources: Kooyman_2011]

life history

photosynthetic_pathway (categorical): c3 (1) [sources: Metcalfe_2009]
plant_growth_form (categorical): shrub (3); tree (5) [sources: Apgaua_2017; Cooper_2013; Grubb_1996; Kooyman_2011; Metcalfe_2009; Wenk_2022]
life_form (categorical): phanerophyte (1) [sources: Metcalfe_2009]
life_history (categorical): perennial (2) [sources: Metcalfe_2009; Wenk_2023]
woodiness_detailed (categorical): woody (1) [sources: 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); cassowaries (1); mammals (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]

nutrient and stable isotope

leaf_N_per_dry_mass (numerical): 35.2 mg/g (35.2-35.2 mg/g) [sources: Falster_2005_1]
leaf_delta13C (numerical): -29.22 {delta}[ppth] (-29.22--29.22 {delta}[ppth]) [sources: Apgaua_2017]

seed morphology

seed_dry_mass (numerical): 22.12 mg (7.27-31.25 mg) [sources: Falster_2005_1; Grubb_1996; Kew_2019_1; Metcalfe_2009]
seed_length (numerical): 4 mm (3-5 mm) [sources: Cooper_2013; Kooyman_2011]
seed_width (numerical): 4 mm (3-5 mm) [sources: Kooyman_2011]

stem morphology

wood_density (numerical): 0.42 mg/mm3 (0.37-0.44 mg/mm3) [sources: Apgaua_2017; Falster_2005_1; Ilic_2000; 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): 6.97 {count}/mm2 (6.97-6.97 {count}/mm2) [sources: Apgaua_2017]
stem_vessel_diameter (numerical): 131.26 um (131.26-131.26 um) [sources: Apgaua_2017]
stem_vessel_lumen_fraction (numerical): 0.09 mm2/mm2 (0.09-0.09 mm2/mm2) [sources: Apgaua_2017]

whole plant morphology

plant_height (numerical): 10 m (10-10 m) [sources: Cooper_2013]
plant_physical_defence_structures (categorical): absent (1) [sources: Metcalfe_2009]

Sources

dataset_id	n_traits	n_records	reference
Metcalfe_2009	19	19	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	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	10	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.
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.
Ilic_2000	1	2	J. Ilic, D. Boland, M. McDonald, D. G, and P. Blakemore. Woody density phase 1 - State of knowledge. National Carbon Accounting System. Technical Report 18. Tech. rep. Australian Greenhouse Office, Canberra, Australia, 2000.
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.