Alstonia spectabilis

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Family Apocynaceae

Taxonomy: Alstonia spectabilis R.Br.

Synonyms: none listed in the APC 2026-07-30

Distribution (APC): WA, NT, Qld

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

Traits

Top source datasets: ABRS_2022 (3), ABRS_2023 (17), Cooper_2013 (13), Grubb_1996 (3), Ilic_2000 (3), Kew_2019_1 (1), NTH_2022 (3), NTH_2023 (18), Sjostrom_2006 (4), WAH_1998 (1), WAH_2022_2 (3), WAH_2023_2 (1), Wenk_2022 (2), Wenk_2023 (1), Wright_2000 (1), Zanne_2009 (1). See below for a full list of sources.
Summary: AusTraits contains 27 traits from 75 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.

flower morphology

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

fruit morphology

fruit_length (numerical): 302.67 mm (200-403 mm) [sources: ABRS_2023; Cooper_2013; NTH_2023]
fruit_width (numerical): 10 mm (8-12 mm) [sources: Cooper_2013]
fruit_type (categorical): follicle (4) [sources: ABRS_2023; Cooper_2013; NTH_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (2) [sources: Cooper_2013; Sjostrom_2006]
fruit_dehiscence (categorical): dehiscent (3) [sources: Cooper_2013; NTH_2023; Sjostrom_2006]

leaf morphology

leaf_length (numerical): 360 mm (360-360 mm) [sources: ABRS_2023; NTH_2023]
leaf_width (numerical): 125 mm (125-125 mm) [sources: ABRS_2023; NTH_2023]
petiole_length (numerical): 2 cm (1.5-2.5 cm) [sources: ABRS_2023; NTH_2023]
leaf_shape (categorical): elliptical (2); lanceolate (2); obovate (2); obtriangular (1) [sources: ABRS_2023; NTH_2023]
leaf_margin (categorical): entire (2) [sources: ABRS_2023; NTH_2023]
leaf_compoundness (categorical): simple (2) [sources: ABRS_2023; NTH_2023]
leaf_phyllotaxis (categorical): opposite (1); whorled (2) [sources: ABRS_2023; NTH_2023]
plant_photosynthetic_organ (categorical): leaf (2) [sources: ABRS_2023; NTH_2023]

life history

plant_growth_form (categorical): shrub (1); tree (6) [sources: ABRS_2022; Cooper_2013; Grubb_1996; NTH_2022; WAH_2022_2; Wenk_2022]
life_history (categorical): perennial (4) [sources: ABRS_2022; NTH_2022; WAH_2022_2; Wenk_2023]
woodiness_detailed (categorical): woody (4) [sources: ABRS_2022; NTH_2022; WAH_2022_2; Wenk_2022]
dispersal_syndrome (categorical): anemochory (1) [sources: Grubb_1996]
flowering_time (categorical): yyyyynnnnnnn (2) [sources: Cooper_2013; WAH_1998]

seed morphology

seed_dry_mass (numerical): 2.5 mg (2.5-2.5 mg) [sources: Grubb_1996; Kew_2019_1]
seed_length (numerical): 6.5 mm (5-8 mm) [sources: ABRS_2023; Cooper_2013; NTH_2023]
seed_shape (categorical): ovoid_elongated (2) [sources: ABRS_2023; NTH_2023]

stem morphology

wood_density (numerical): 0.61 mg/mm3 (0.55-0.68 mg/mm3) [sources: Ilic_2000; Zanne_2009]

whole plant morphology

plant_height (numerical): 23.75 m (20-25 m) [sources: ABRS_2023; Cooper_2013; NTH_2023; WAH_2023_2]

Sources

dataset_id	n_traits	n_records	reference
NTH_2023	15	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/.
ABRS_2023	14	17	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
Cooper_2013	10	13	W. Cooper and W. T. Cooper. Australian rainforest fruits. CSIRO Publishing, 2013, p. 272.
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.
ABRS_2022	3	3	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2022. url: http://www.ausflora.org.au.
Grubb_1996	3	3	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	3	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.
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/.
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/.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Kew_2019_1	1	1	Royal Botanic Gardens Kew. Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
WAH_1998	1	1	Western Australian Herbarium. FloraBase: The Western Australian flora. 1998. url: http://florabase.dpaw.wa.gov.au.
WAH_2023_2	1	1	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2023. url: https://florabase.dpaw.wa.gov.au/.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.
Wright_2000	1	1	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.
Zanne_2009	1	1	A. E. Zanne, G. Lopez-Gonzalez, D. A. Coomes, J. Ilic, S. Jansen, S. L. Lewis, R. B. Miller, N. G. Swenson, M. C. Wiemann, and J. Chave. “Data from: Towards a worldwide wood economics spectrum”. Dryad Digital Repository (2009). doi: 10.5061/dryad.234.