Exacum tetragonum
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Family Gentianaceae
Taxonomy: Exacum tetragonum Roxb.
Synonyms: none listed in the APC 2026-07-30
Distribution (APC): NT
Profiles: APC, Flora of Australia, ALA, iNaturalist, NT eFlora, ATRP
Traits
Top source datasets: ABRS_2022 (3), ABRS_2023 (16), Kew_2019_6 (1), NTH_2022 (4), NTH_2023 (18), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), eFLOWER_Dun_2022 (24). See below for a full list of sources.
Summary: AusTraits contains 45 traits from 73 records in 9 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): blue_purple (2) [sources: eFLOWER_Dun_2022]
- flower_diameter (numerical): 2.5 cm (2-3 cm) [sources: eFLOWER_Dun_2022]
- sex_type (categorical): hermaphrodite (1) [sources: Sjostrom_2006]
fruit morphology
- fruit_length (numerical): 7 mm (6-8 mm) [sources: ABRS_2023]
- fruit_width (numerical): 4.5 mm (4-5 mm) [sources: NTH_2023]
- fruit_height (numerical): 4.5 mm (4-5 mm) [sources: NTH_2023]
- fruit_type (categorical): capsule (3) [sources: ABRS_2023; NTH_2023; Sjostrom_2006]
- fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
- fruit_dehiscence (categorical): dehiscent (2) [sources: ABRS_2023; Sjostrom_2006]
leaf morphology
- leaf_length (numerical): 61.25 mm (10-150 mm) [sources: ABRS_2023; NTH_2023]
- leaf_width (numerical): 17 mm (5-30 mm) [sources: ABRS_2023; NTH_2023]
- leaf_shape (categorical): lanceolate (2); linear (1); ovate (1) [sources: ABRS_2023; NTH_2023]
- leaf_base_shape (categorical): rounded (1) [sources: NTH_2023]
- leaf_margin (categorical): entire (1) [sources: ABRS_2023]
- leaf_compoundness (categorical): simple (1) [sources: ABRS_2023]
- leaf_phyllotaxis (categorical): opposite (1) [sources: NTH_2023]
- leaf_arrangement (categorical): decussate (1) [sources: ABRS_2023]
- plant_photosynthetic_organ (categorical): leaf (2) [sources: ABRS_2023; NTH_2023]
life history
- plant_growth_form (categorical): herb (3) [sources: ABRS_2022; NTH_2022; Wenk_2022]
- life_history (categorical): annual (3) [sources: ABRS_2022; NTH_2022; Wenk_2023]
- woodiness_detailed (categorical): herbaceous (3) [sources: ABRS_2022; NTH_2022; Wenk_2022]
- stem_growth_habit (categorical): erect (1) [sources: NTH_2022]
seed morphology
- seed_length (numerical): 0.85 mm (0.7-1 mm) [sources: NTH_2023]
- seed_width (numerical): 0.3 mm (0.3-0.3 mm) [sources: ABRS_2023]
- seed_shape (categorical): ellipsoid (1) [sources: NTH_2023]
whole plant morphology
- plant_height (numerical): 1 m (1-1 m) [sources: NTH_2023]
Sources
| dataset_id | n_traits | n_records | reference |
|---|---|---|---|
| eFLOWER_Dun_2022 | 18 | 24 | L. Dun and H. Sauquet. “Unpublished: Floral traits for GAP taxa, University of New South Wales, Australia”. 2022. |
| NTH_2023 | 13 | 18 | 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/. |
| ABRS_2023 | 13 | 16 | Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.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/. |
| 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. |
| 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. |
| Wenk_2022 | 2 | 2 | E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022. |
| Kew_2019_6 | 1 | 1 | Royal Botanic Gardens Kew. Germination data from the Seed Information Database (SID) and Seed Bank Database. 2019. url: http://data.kew.org/sid/. |
| Wenk_2023 | 1 | 1 | E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023. |