Astus tetragonus

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Family Myrtaceae

Taxonomy: Astus tetragonus (Benth.) Trudgen & Rye

Synonyms: 1 (APC 2026-07-30)

Baeckea tetragona Benth. (basionym)

Distribution (APC): WA

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

Traits

Top source datasets: ABRS_2023 (23), Collette_2021 (1), Trudgen_2005 (14), WAH_2022_2 (4), WAH_2023_2 (2), Wenk_2022 (2), Wenk_2023 (1), eFLOWER_Dun_2022 (17). See below for a full list of sources.
Summary: AusTraits contains 37 traits from 64 records in 8 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

flower_colour (categorical): pink (1); white_cream (1) [sources: eFLOWER_Dun_2022]
flower_diameter (numerical): 0.4 cm (0.3-0.5 cm) [sources: eFLOWER_Dun_2022]

fruit morphology

fruit_length (numerical): 1.7 mm (1.7-1.7 mm) [sources: ABRS_2023]
fruit_width (numerical): 1.4 mm (1.4-1.4 mm) [sources: ABRS_2023]
fruit_dehiscence (categorical): dehiscent (1); indehiscent (1) [sources: ABRS_2023]

leaf morphology

leaf_length (numerical): 2.25 mm (1.3-3.2 mm) [sources: ABRS_2023; Trudgen_2005]
leaf_width (numerical): 1.2 mm (1-1.5 mm) [sources: ABRS_2023; Trudgen_2005]
petiole_length (numerical): 0.06 cm (0.03-0.1 cm) [sources: ABRS_2023]
leaf_shape (categorical): obovate (2); widely_obovate (1) [sources: ABRS_2023; Trudgen_2005]
leaf_margin (categorical): entire (1) [sources: ABRS_2023]
leaf_compoundness (categorical): simple (1) [sources: ABRS_2023]
leaf_lamina_posture (categorical): concave (1) [sources: ABRS_2023]
leaf_phyllotaxis (categorical): opposite (1) [sources: ABRS_2023]
leaf_arrangement (categorical): crowded (1) [sources: ABRS_2023]
plant_photosynthetic_organ (categorical): leaf (1) [sources: ABRS_2023]

life history

plant_growth_form (categorical): shrub (3) [sources: Trudgen_2005; WAH_2022_2; Wenk_2022]
life_history (categorical): perennial (3) [sources: Trudgen_2005; WAH_2022_2; Wenk_2023]
woodiness_detailed (categorical): woody (2) [sources: WAH_2022_2; Wenk_2022]
stem_growth_habit (categorical): erect (1); spreading (1) [sources: WAH_2022_2]
flowering_time (categorical): nnnnnnnyyyyn (1) [sources: Trudgen_2005]
seed_dormancy_class (categorical): non_dormant (1) [sources: Collette_2021]

seed morphology

seed_length (numerical): 1.2 mm (1.2-1.2 mm) [sources: ABRS_2023; Trudgen_2005]
seed_width (numerical): 0.6 mm (0.6-0.6 mm) [sources: ABRS_2023; Trudgen_2005]
seed_shape (categorical): reniform (1) [sources: ABRS_2023]

whole plant morphology

plant_height (numerical): 1.03 m (0.25-2 m) [sources: ABRS_2023; Trudgen_2005; WAH_2023_2]

Sources

dataset_id	n_traits	n_records	reference
ABRS_2023	18	23	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
eFLOWER_Dun_2022	13	17	L. Dun and H. Sauquet. “Unpublished: Floral traits for GAP taxa, University of New South Wales, Australia”. 2022.
Trudgen_2005	9	14	M. E. Trudgen and B. L. Rye. “Astus, a new western Australian genus of Myrtaceae with heterocarpidic fruits”. Nuytsia 14 (2005), pp. 495-512.
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.
Collette_2021	1	1	J. C. Collette and M. K. J. Ooi. “Distribution of seed dormancy classes across a fire-prone continent: effects of rainfall seasonality and temperature”. Annals of Botany 127.5 (2021), pp. 613-620. doi: 10.1093/aob/mcaa203.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.