Ptilotus declinatus

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Family Amaranthaceae

Taxonomy: Ptilotus declinatus Nees

Synonyms: 2 (APC 2026-07-30)

Trichinium declinatum (Nees) Moq. (nomenclatural synonym)
Trichinium eriocephalum Moq. (taxonomic synonym)

Distribution (APC): WA

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

Traits

Top source datasets: Dwyer_2017 (7), Sjostrom_2006 (4), Tsakalos_2020 (16), WAH_1998 (1), WAH_2022_1 (4), WAH_2022_2 (4), WAH_2023_1 (10), WAH_2023_2 (2), Wenk_2022 (2), Wenk_2023 (1). See below for a full list of sources.
Summary: AusTraits contains 26 traits from 51 records in 10 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_type (categorical): utricle (1) [sources: Sjostrom_2006]
fruit_fleshiness (categorical): dry (2) [sources: Sjostrom_2006; Tsakalos_2020]
fruit_dehiscence (categorical): indehiscent (1) [sources: Sjostrom_2006]

leaf morphology

leaf_length (numerical): 29 mm (3-55 mm) [sources: WAH_2023_1]
leaf_width (numerical): 3 mm (1-5 mm) [sources: WAH_2023_1]
leaf_mass_per_area (numerical): 43.52 g/m2 (39.89-50.22 g/m2) [sources: Dwyer_2017]
leaf_margin (categorical): entire (1) [sources: Tsakalos_2020]
leaf_compoundness (categorical): simple (1) [sources: 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): hairy (1) [sources: Tsakalos_2020]
leaf_phyllotaxis (categorical): alternate (1) [sources: WAH_2023_1]
plant_photosynthetic_organ (categorical): cladode (1); leaf (2) [sources: Tsakalos_2020; WAH_2023_1]

life history

photosynthetic_pathway (categorical): c3 (1) [sources: Tsakalos_2020]
plant_growth_form (categorical): herb (3) [sources: WAH_2022_1; WAH_2022_2; Wenk_2022]
life_history (categorical): perennial (4) [sources: Tsakalos_2020; WAH_2022_1; WAH_2022_2; Wenk_2023]
woodiness_detailed (categorical): herbaceous (4) [sources: Tsakalos_2020; WAH_2022_1; WAH_2022_2; Wenk_2022]
stem_growth_habit (categorical): decumbent (1); prostrate (3); rosette (1) [sources: Tsakalos_2020; WAH_2022_1; WAH_2022_2; WAH_2023_1]
parasitic (categorical): not_parasitic (1) [sources: Tsakalos_2020]
flowering_time (categorical): nnnnnnnnyyyy (1); ynnnnnnyyyyy (1) [sources: Tsakalos_2020; WAH_1998]

seed morphology

seed_dry_mass (numerical): 1.06 mg (1.06-1.06 mg) [sources: Dwyer_2017]
seed_length (numerical): 1.7 mm (1.6-1.8 mm) [sources: WAH_2023_1]

whole plant morphology

plant_height (numerical): 0.12 m (0.03-0.2 m) [sources: WAH_2023_2]
plant_physical_defence_structures (categorical): absent (1) [sources: Tsakalos_2020]

Sources

dataset_id	n_traits	n_records	reference
Tsakalos_2020	15	16	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.
WAH_2023_1	7	10	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2023. url: https://florabase.dpaw.wa.gov.au/.
Dwyer_2017	3	7	J. M. Dwyer and D. C. Laughlin. “Constraints on trait combinations explain climatic drivers of biodiversity: The importance of trait covariance in community assembly”. Ecology Letters 20.7 (2017), pp. 872-882. doi: 10.1111/ele.12781.
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.
WAH_2022_1	4	4	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.gov.au/.
WAH_2022_2	4	4	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.gov.au/.
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.
WAH_1998	1	1	Western Australian Herbarium. FloraBase: The Western Australian flora. 1998. url: http://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.