Eucalyptus youngiana

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Family Myrtaceae

Taxonomy: Eucalyptus youngiana F.Muell.

Misapplied names: 3 (APC 2026-07-30)

Eucalyptus erythrocalyx Oldfield & F.Muell. (misapplied)
Eucalyptus pyriformis Turcz. (misapplied)
Eucalyptus pyriformis subsp. youngiana (F.Muell.) Boomsma (misapplied)

Distribution (APC): WA, SA

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

Traits

Top source datasets: ABRS_2022 (3), ABRS_2023 (19), CPBR_2002 (8), Draper_2023 (3), Gallagher_2015 (1), Ilic_2000 (1), Kew_2019_1 (4), Kew_2019_6 (2), Munroe_2019 (1), Nicolle_2006 (3), Schulze_2006 (3), Schulze_2006_2 (109), Sjostrom_2006 (4), Stephens_2021 (1), Stephens_2024 (16), Sweedman_2006 (4), Turner_2010 (35), Vlasveld_2018 (14), WAH_2022_2 (3), WAH_2023_2 (2), Wenk_2022 (2), Wenk_2023 (1). See below for a full list of sources.
Summary: AusTraits contains 48 traits from 239 records in 22 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 (3) [sources: Nicolle_2006; Schulze_2006_2]

flower morphology

flower_colour (categorical): red_brown (1); yellow_orange (1) [sources: Stephens_2024]
sex_type (categorical): hermaphrodite (1) [sources: Sjostrom_2006]

fruit morphology

fruit_length (numerical): 27 mm (15-38 mm) [sources: ABRS_2023; Stephens_2024]
fruit_width (numerical): 49.5 mm (33-70 mm) [sources: ABRS_2023; Stephens_2024]
fruit_type (categorical): capsule (2) [sources: ABRS_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
fruit_dehiscence (categorical): dehiscent (2) [sources: ABRS_2023; Sjostrom_2006]

leaf morphology

leaf_area (numerical): 2177.84 mm2 (1099-3995 mm2) [sources: Schulze_2006_2; Turner_2010; Vlasveld_2018]
leaf_length (numerical): 122.5 mm (70-170 mm) [sources: ABRS_2023; CPBR_2002; Stephens_2024]
leaf_width (numerical): 29.5 mm (15-45 mm) [sources: ABRS_2023; CPBR_2002; Stephens_2024]
leaf_dry_mass (numerical): 805.18 mg (329-1579 mg) [sources: Schulze_2006_2; Turner_2010; Vlasveld_2018]
petiole_length (numerical): 2.5 cm (2-3 cm) [sources: ABRS_2023]
leaf_mass_per_area (numerical): 377.74 g/m2 (230.56-461.86 g/m2) [sources: Schulze_2006; Schulze_2006_2; Turner_2010; Vlasveld_2018]
leaf_shape (categorical): falcate (1); lanceolate (1) [sources: ABRS_2023]
leaf_compoundness (categorical): simple (1) [sources: ABRS_2023]
leaf_phyllotaxis (categorical): alternate (1) [sources: ABRS_2023]
plant_photosynthetic_organ (categorical): leaf (1) [sources: ABRS_2023]

life history

photosynthetic_pathway (categorical): c3 (1) [sources: Munroe_2019]
plant_growth_form (categorical): mallee (3); tree (4) [sources: ABRS_2022; CPBR_2002; WAH_2022_2; Wenk_2022]
life_history (categorical): perennial (3) [sources: ABRS_2022; WAH_2022_2; Wenk_2023]
woodiness_detailed (categorical): woody (3) [sources: ABRS_2022; WAH_2022_2; Wenk_2022]
pollination_syndrome (categorical): bird (1); insect (1); mammal (1) [sources: Draper_2023]
dispersal_syndrome (categorical): barochory (1) [sources: Draper_2023]
dispersers (categorical): passive (1) [sources: Draper_2023]
flowering_time (categorical): nnnnnyyyyynn (1); nnnynyyyyynn (1) [sources: Stephens_2021; Stephens_2024]
storage_organ (categorical): lignotuber (1) [sources: Nicolle_2006]
bud_bank_location (categorical): basal_stem_buds (1) [sources: Nicolle_2006]

nutrient and stable isotope

leaf_N_per_dry_mass (numerical): 10.47 mg/g (7.6-12.6 mg/g) [sources: Schulze_2006; Schulze_2006_2; Turner_2010]
leaf_delta13C (numerical): -26.93 {delta}[ppth] (-28.48--24.01 {delta}[ppth]) [sources: Schulze_2006; Schulze_2006_2; Turner_2010]

seed morphology

seed_dry_mass (numerical): 8.6 mg (3.41-22.72 mg) [sources: Kew_2019_1]
seed_length (numerical): 3.25 mm (2.5-4 mm) [sources: CPBR_2002]
seed_shape (categorical): comma-shaped (1); winged (1) [sources: ABRS_2023]

stem morphology

wood_density (numerical): 0.98 mg/mm3 (0.98-0.98 mg/mm3) [sources: Ilic_2000]

whole plant morphology

plant_height (numerical): 9.33 m (4-11 m) [sources: ABRS_2023; CPBR_2002; WAH_2023_2]

Sources

dataset_id	n_traits	n_records	reference
Schulze_2006_2	7	109	E. Schulze, N. C. Turner, D. Nicolle, and J. Schumacher. “Leaf and wood carbon isotope ratios, specific leaf areas and woodgrowth of Eucalyptus species across a rainfall gradient in Australia”. Tree Physiology 26.4 (2006), pp. 479-492. doi: 10.1093/treephys/26.4.479.
Turner_2010	7	35	N. C. Turner, E. Schulze, D. Nicolle, and I. Kuhlmann. “Growth in two common gardens reveals species by environment interaction in carbon isotope discrimination of Eucalyptus”. Tree Physiology 30.6 (2010), pp. 741-747. doi: 10.1093/treephys/tpq029.
ABRS_2023	14	19	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
Stephens_2024	9	16	R. E. Stephens, H. Sauquet, B. Laugier, C. Gosper, and R. V. Gallagher. “Eucalypt flower size and colour shaped more by pollination than abiotic environment”. in review (2024).
Vlasveld_2018	5	14	C. Vlasveld, B. O'Leary, F. Udovicic, and M. Burd. “Leaf heteroblasty in eucalypts: biogeographic evidence of ecological function”. Australian Journal of Botany 66.3 (2018), pp. 191-201. doi: 10.1071/bt17134.
CPBR_2002	5	8	Centre for Plant Biodiversity Research. EUCLID 2.0: Eucalypts of Australia. 2002. url: http://apps.lucidcentral.org/euclid/text/intro/index.html.
Kew_2019_1	1	4	Royal Botanic Gardens Kew. Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
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.
Sweedman_2006	2	4	L. Sweedman and D. Merritt. Australian Seeds: A Guide to Their Collection, Identification, and Biology. CSIRO Publishing, 2006. ISBN: 9780643094079.
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.
Draper_2023	3	3	J. T. Draper, S. Delean, J. G. Conran, P. Weinstein, and B. S. Simpson. “Life-history characteristics and climate correlates of dioecious plant species in central southern Australia”. Australian Journal of Botany unknown.unknown (2023), p. unknown. doi: 10.1071/BT22110.
Nicolle_2006	3	3	D. Nicolle. “A classification and census of regenerative strategies in the eucalypts (Angophora, Corymbia and Eucalyptus - Myrtaceae), with special reference to the obligate seeders”. Australian Journal of Botany 54.4 (2006), pp. 391-407. doi: 10.1071/bt05061.
Schulze_2006	3	3	E. Schulze, N. C. Turner, D. Nicolle, and J. Schumacher. “Species differences in carbon isotope ratios, specific leaf area and nitrogen concentrations in leaves of Eucalyptus growing in a common garden compared with along an aridity gradient”. Physiologia Plantarum 127.3 (2006), pp. 434-444. doi: 10.1111/j.1399-3054.2006.00682.x.
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/.
Kew_2019_6	1	2	Royal Botanic Gardens Kew. Germination data from the Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/.
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.
Gallagher_2015	1	1	R. Gallagher and R. Lanfear. “Unpublished data: Trait campaign with the Royal Botanical Gardens & Macquarie University”. 2015.
Ilic_2000	1	1	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.
Munroe_2019	1	1	S. E. M. Munroe, F. A. McInerney, J. Andrae, N. Welti, G. R. Guerin, E. Leitch, T. Hall, S. Szarvas, R. Atkins, S. Caddy-Retalic, and B. Sparrow. “The Photosynthetic Pathways of Plant Species Surveyed in Australia's National Terrestrial Monitoring Network”. Scientific Data 8 (2021), p. 97. doi: 10.1038/s41597-021-00877-z.
Stephens_2021	1	1	R. Stephens. “Unpublished data: Flowering time data from TERN plots, Macquarie University.”. 2021.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.