Banksia sessilis var. cygnorum

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Family Proteaceae

Taxonomy: Banksia sessilis var. cygnorum (Gand.) A.R.Mast & K.R.Thiele

Synonyms: 3 (APC 2026-07-30)

Dryandra cygnorum Gand. (nomenclatural synonym)
Dryandra quinquedentata Gand. (taxonomic synonym)
Dryandra sessilis var. cygnorum (Gand.) A.S.George (nomenclatural synonym)

Distribution (APC): WA

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

Traits

Top source datasets: ABRS_1981 (2), ABRS_2022 (3), ABRS_2023 (12), ANBG_2019 (1), Detombeur_2021 (18), Hayes_2014 (211), Laliberte_2012 (30), Tsakalos_2020 (17), 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 59 traits from 302 records in 12 datasets.

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

fruit morphology

fruit_length (numerical): 11 mm (10-12 mm) [sources: ABRS_2023]
fruit_type (categorical): follicle (1) [sources: ABRS_2023]
fruit_fleshiness (categorical): dry (1) [sources: Tsakalos_2020]
fruit_dehiscence (categorical): dehiscent (1) [sources: ABRS_2023]

leaf morphology

leaf_area (numerical): 1246.11 mm2 (1046.23-1561.86 mm2) [sources: Laliberte_2012]
leaf_length (numerical): 25 mm (20-30 mm) [sources: ABRS_2023]
leaf_width (numerical): 12.5 mm (8-17 mm) [sources: ABRS_2023]
leaf_mass_per_area (numerical): 163.52 g/m2 (153.03-183.71 g/m2) [sources: Laliberte_2012]
leaf_dry_matter_content (numerical): 0.51 g/g (0.49-0.55 g/g) [sources: Laliberte_2012]
leaf_base_shape (categorical): attenuate (1); auriculate (1); cuneate (1) [sources: ABRS_2023]
leaf_margin (categorical): entire (1); toothed (2) [sources: ABRS_2023; Tsakalos_2020]
leaf_compoundness (categorical): simple (2) [sources: ABRS_1981; Tsakalos_2020]
leaf_lamina_posture (categorical): flat (1) [sources: Tsakalos_2020]
leaf_glaucousness (categorical): not_glaucous (2) [sources: Tsakalos_2020]
leaf_hairs_adult_leaves (categorical): glabrous (1) [sources: Tsakalos_2020]
plant_photosynthetic_organ (categorical): leaf (2) [sources: ABRS_2023; Tsakalos_2020]

life history

photosynthetic_pathway (categorical): c3 (1) [sources: Tsakalos_2020]
plant_growth_form (categorical): shrub (4); tree (1) [sources: ABRS_2022; Laliberte_2012; WAH_2022_2; Wenk_2022]
life_history (categorical): perennial (4) [sources: ABRS_2022; Tsakalos_2020; WAH_2022_2; Wenk_2023]
woodiness_detailed (categorical): woody (4) [sources: ABRS_2022; Tsakalos_2020; WAH_2022_2; Wenk_2022]
stem_growth_habit (categorical): erect (1) [sources: Tsakalos_2020]
nitrogen_fixing (categorical): non_nitrogen_fixer (1) [sources: Hayes_2014]
root_structure (categorical): proteoid_root (2) [sources: Hayes_2014; Laliberte_2012]
parasitic (categorical): not_parasitic (1) [sources: Tsakalos_2020]
flowering_time (categorical): nnnnnnyyyyyn (1); nnnnyyyyyynn (1) [sources: ABRS_1981; Tsakalos_2020]

nutrient and stable isotope

leaf_N_per_dry_mass (numerical): 6.6 mg/g (3.38-8.83 mg/g) [sources: Hayes_2014; Laliberte_2012]
leaf_P_per_dry_mass (numerical): 0.27 mg/g (0.2-0.31 mg/g) [sources: Detombeur_2021; Hayes_2014]
leaf_delta13C (numerical): -26.9 {delta}[ppth] (-27.26--26.54 {delta}[ppth]) [sources: Laliberte_2012]

seed morphology

seed_dry_mass (numerical): 7.05 mg (7.05-7.05 mg) [sources: ANBG_2019]

whole plant morphology

plant_height (numerical): 3.88 m (0.5-5 m) [sources: ABRS_2023; WAH_2023_2]
plant_physical_defence_structures (categorical): absent (1) [sources: Tsakalos_2020]

Sources

dataset_id	n_traits	n_records	reference
Hayes_2014	26	211	P. Hayes, B. L. Turner, H. Lambers, and E. Laliberte. “Foliar nutrient concentrations and resorption efficiency in plants of contrasting nutrient-acquisition strategies along a 2-million-year dune chronosequence”. Journal of Ecology 102.2 (2013), pp. 396-410. doi: 10.1111/1365-2745.12196.
Laliberte_2012	9	30	E. Laliberte, B. L. Turner, T. Costes, S. J. Pearse, K. Wyrwoll, G. Zemunik, and H. Lambers. “Experimental assessment of nutrient limitation along a 2-million-year dune chronosequence in the south-western Australia biodiversity hotspot”. Journal of Ecology 100 (2012), pp. 631-642. doi: 10.1111/j.1365-2745.2012.01962.x.
Detombeur_2021	9	18	F. de Tombeur, E. Laliberte, H. Lambers, M. Faucon, G. Zemunik, B. L. Turner, J. Cornelis, and G. Mahy. “A shift from phenol to silica-based leaf defenses during long-term soil and ecosystem development”. Ecology Letters 24.5 (2021), pp. 984-995. doi: 10.1111/ele.13713.
Tsakalos_2020	16	17	J. L. Tsakalos, M. Renton, F. Riviera, E. J. Veneklaas, M. P. Dobrowolski, and L. Mucina. “Trait-based formal definition of plant functional types and functional communities in the multi-species and multi-traits context”. Ecological Complexity 40 (2019), p. 100787. doi: 10.1016/j.ecocom.2019.100787.
ABRS_2023	9	12	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
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.
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/.
ABRS_1981	2	2	B. A. Barlow, H. T. Clifford, A. S. George, and A. K. A. McCusker. Flora of Australia. 1981. url: http://www.environment.gov.au/biodiversity/abrs/online-resources/flora/main/.
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.
ANBG_2019	1	1	Australian National Botanic Gardens. The National Seed Bank. 2018. url: http://www.anbg.gov.au/gardens/living/seedbank/.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.