Citrullus amarus

Explore the data for this taxon in the portal

Family Cucurbitaceae

Taxonomy: Citrullus amarus Schrad.

Misapplied names: 4 (APC 2026-07-30)

Citrullus lanatus (Thunb.) Matsum. & Nakai (misapplied)
Citrullus lanatus (Thunb.) Matsum. & Nakai var. lanatus (misapplied)
Citrullus lanatus var. citroides (L.H.Bailey) Mansf. (misapplied)
Citrullus vulgaris Schrad. (misapplied)

Distribution (APC): WA (naturalised), NT (naturalised), SA (naturalised), Qld (naturalised), NSW (naturalised), ACT (naturalised), Vic (naturalised)

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

Traits

Top source datasets: ABRS_2022 (4), ABRS_2023 (23), Crowley_2007 (2), Jurado_1991 (7), Jurado_1992 (3), Munroe_2019 (1), NHNSW_2014_2 (2), NHNSW_2022 (4), NHNSW_2023 (18), NTH_2022 (4), NTH_2023 (13), Nano_2011 (2), RBGV_2022 (5), RBGV_2023 (25), SAH_2022 (4), SAH_2023 (22), WAH_2022_1 (3), WAH_2022_2 (4), WAH_2023_1 (12), Wenk_2022 (2), Wenk_2023 (1), Yang_2023 (1). See below for a full list of sources.
Summary: AusTraits contains 38 traits from 162 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): fire_killed (3) [sources: Crowley_2007; Nano_2011; Yang_2023]

flower morphology

flower_colour (categorical): yellow_orange (1) [sources: NHNSW_2014_2]
sex_type (categorical): monoecious (3) [sources: ABRS_2022; NHNSW_2022; RBGV_2022]

fruit morphology

fruit_length (numerical): 122.5 mm (15-300 mm) [sources: NHNSW_2023; NTH_2023; RBGV_2023]
fruit_width (numerical): 110.5 mm (15-300 mm) [sources: ABRS_2023; NHNSW_2023; NTH_2023; RBGV_2023; SAH_2023]
fruit_height (numerical): 119.38 mm (15-300 mm) [sources: ABRS_2023; NHNSW_2023; RBGV_2023; SAH_2023]
fruit_type (categorical): berry (1) [sources: RBGV_2023]
fruit_dehiscence (categorical): indehiscent (4) [sources: ABRS_2023; NTH_2023; RBGV_2023; SAH_2023]
fruit_colour (categorical): cream (1); green (5); white (1); yellow (1) [sources: ABRS_2023; NHNSW_2023; RBGV_2023; SAH_2023; WAH_2023_1]

leaf morphology

leaf_area (numerical): 1000 mm2 (1000-1000 mm2) [sources: Jurado_1991]
leaf_length (numerical): 112.92 mm (20-200 mm) [sources: ABRS_2023; NHNSW_2023; NTH_2023; RBGV_2023; SAH_2023; WAH_2023_1]
leaf_width (numerical): 92.92 mm (20-150 mm) [sources: ABRS_2023; NHNSW_2023; NTH_2023; RBGV_2023; SAH_2023; WAH_2023_1]
petiole_length (numerical): 6.44 cm (1-14 cm) [sources: ABRS_2023; NHNSW_2023; RBGV_2023; SAH_2023]
leaf_shape (categorical): cordate (2); ovate (6) [sources: ABRS_2023; RBGV_2023; SAH_2023; WAH_2023_1]
leaf_base_shape (categorical): cordate (1) [sources: ABRS_2023]
leaf_margin (categorical): toothed (1); toothed_dentate (3) [sources: ABRS_2023; RBGV_2023; SAH_2023; WAH_2023_1]
leaf_margin_posture (categorical): flat (1) [sources: RBGV_2023]
leaf_lobation (categorical): lobed (6); lobed_deep (1) [sources: ABRS_2023; NHNSW_2023; NTH_2023; RBGV_2023; SAH_2023; WAH_2023_1]
leaf_compoundness (categorical): simple (2) [sources: ABRS_2023; NHNSW_2014_2]
leaf_phyllotaxis (categorical): alternate (4) [sources: NHNSW_2023; NTH_2023; RBGV_2023; SAH_2023]
plant_photosynthetic_organ (categorical): leaf (6) [sources: ABRS_2023; NHNSW_2023; NTH_2023; RBGV_2023; SAH_2023; WAH_2023_1]

life history

photosynthetic_pathway (categorical): c3 (1) [sources: Munroe_2019]
plant_growth_form (categorical): climber (2); herb (8) [sources: ABRS_2022; Jurado_1991; NHNSW_2022; NTH_2022; RBGV_2022; SAH_2022; WAH_2022_1; WAH_2022_2; Wenk_2022]
life_history (categorical): annual (7); perennial (1) [sources: ABRS_2022; NHNSW_2022; NTH_2022; RBGV_2022; SAH_2022; WAH_2022_1; WAH_2022_2; Wenk_2023]
woodiness_detailed (categorical): herbaceous (8) [sources: ABRS_2022; NHNSW_2022; NTH_2022; RBGV_2022; SAH_2022; WAH_2022_1; WAH_2022_2; Wenk_2022]
plant_climbing_mechanism (categorical): twining (1) [sources: Jurado_1991]
stem_growth_habit (categorical): climbing (1); prostrate (4) [sources: NTH_2022; RBGV_2022; SAH_2022; WAH_2022_2]
bud_bank_location (categorical): none (2) [sources: Crowley_2007; Nano_2011]

seed morphology

seed_dry_mass (numerical): 77.86 mg (77.86-77.86 mg) [sources: Jurado_1991]
seed_length (numerical): 9.9 mm (8-12 mm) [sources: ABRS_2023; NTH_2023; RBGV_2023; SAH_2023; WAH_2023_1]
seed_width (numerical): 10 mm (10-10 mm) [sources: WAH_2023_1]
seed_shape (categorical): ellipsoid (1); globoid (1); ovoid (1); ovoid_flattened (4) [sources: ABRS_2023; NHNSW_2023; RBGV_2023; SAH_2023; WAH_2023_1]

Sources

dataset_id	n_traits	n_records	reference
RBGV_2023	18	25	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
ABRS_2023	16	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.
SAH_2023	15	22	S. H. of South Australia. eFlora of SA, Electronic Flora of South Australia. accessed on 6 May, 2022.. 2022. url: http://www.flora.sa.gov.au/.
NHNSW_2023	12	18	N. H. of New South Wales. The Plant Information Network System of The Royal Botanic Gardens and Domain Trust Version 2.0.. accessed on 6 May, 2022.. 2023. url: https://plantnet.rbgsyd.nsw.gov.au/.
NTH_2023	9	13	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_2023_1	12	12	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2023. url: https://florabase.dpaw.wa.gov.au/.
Jurado_1991	7	7	E. Jurado. “Diaspore weight, dispersal, growth form and perenniality of central Australian plants”. Journal of Ecology 79 (1991), pp. 811-828.
RBGV_2022	5	5	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2022. url: https://vicflora.rbg.vic.gov.au/.
ABRS_2022	4	4	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2022. url: http://www.ausflora.org.au.
NHNSW_2022	4	4	N. H. of New South Wales. The Plant Information Network System of The Royal Botanic Gardens and Domain Trust Version 2.0.. accessed on 6 May, 2022.. 2022. url: https://plantnet.rbgsyd.nsw.gov.au/.
NTH_2022	4	4	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/.
SAH_2022	4	4	S. H. of South Australia. eFlora of SA, Electronic Flora of South Australia. accessed on 6 May, 2022.. 2022. url: http://www.flora.sa.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/.
Jurado_1992	1	3	E. Jurado and M. Westoby. “Germination biology of selected central Australian plants”. Austral Ecology 17.3 (1992), pp. 341-348. doi: 10.1111/j.1442-9993.1992.tb00816.x.
WAH_2022_1	3	3	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.gov.au/.
Crowley_2007	2	2	G. Crowley, M. Gardener, and M. Marrinan. Tropical savannas fire response database. 2007. url: [www.landmanager.org.au](www.landmanager.org.au).
NHNSW_2014_2	2	2	Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/.
Nano_2011	2	2	C. E. M. Nano and P. J. Clarke. “How do drought and fire influence the patterns of resprouting in Australian deserts?”. Plant Ecology 212 (2011), pp. 2095-2110. doi: 10.1007/s11258-011-9988-x.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
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.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.
Yang_2023	1	1	S. Yang. “Unpublished data: Fire response traits scored from national and state floras and the taxonomic literature, University of New South Wales”. 2023.