Megahertzia amplexicaulis

Explore the data for this taxon in the portal

Family Proteaceae

Taxonomy: Megahertzia amplexicaulis A.S.George & B.Hyland

Synonyms: 6 (APC 2026-07-30)

Orites sp. 'Mt Hemmant' (B.Hyland 3196 RFK) (taxonomic synonym)
Orites sp. (=RFK/3196) (taxonomic synonym)
Orites sp. (Mt Hemmant B.P.Hyland RFK3196) (taxonomic synonym)
Orites sp. (Mt Hemmant BH 3196RFK) (taxonomic synonym)
Orites sp. (RFK 3196) (taxonomic synonym)
Orites sp. nova (Mt Hemmant) (taxonomic synonym)

Distribution (APC): Qld

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

Traits

Top source datasets: ABRS_1981 (2), ABRS_2022 (3), ABRS_2023 (21), Chen_2017 (5), Cooper_2013 (13), Gross_2005 (4), Jordan_2020 (19), Kooyman_2011 (10), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), eFLOWER_Dun_2022 (13). See below for a full list of sources.
Summary: AusTraits contains 55 traits from 97 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.

flower morphology

flower_colour (categorical): white_cream (1) [sources: eFLOWER_Dun_2022]
sex_type (categorical): hermaphrodite (2) [sources: Gross_2005; Sjostrom_2006]

fruit morphology

fruit_length (numerical): 35 mm (30-45 mm) [sources: ABRS_2023; Cooper_2013]
fruit_width (numerical): 6.25 mm (5-8 mm) [sources: ABRS_2023; Cooper_2013]
fruit_type (categorical): follicle (5) [sources: ABRS_2023; Chen_2017; Cooper_2013; Gross_2005; Sjostrom_2006]
fruit_fleshiness (categorical): dry (4) [sources: Chen_2017; Cooper_2013; Gross_2005; Sjostrom_2006]
fruit_dehiscence (categorical): dehiscent (5) [sources: ABRS_2023; Chen_2017; Cooper_2013; Gross_2005; Sjostrom_2006]

leaf morphology

leaf_area (numerical): 15018.67 mm2 (15018.67-15018.67 mm2) [sources: Jordan_2020]
leaf_length (numerical): 107.5 mm (60-230 mm) [sources: ABRS_2023; Kooyman_2011]
leaf_width (numerical): 42.5 mm (25-60 mm) [sources: ABRS_2023]
leaf_mass_per_area (numerical): 113.74 g/m2 (113.74-113.74 g/m2) [sources: Jordan_2020]
leaf_shape (categorical): elliptical (1); lanceolate (1) [sources: ABRS_2023]
leaf_margin (categorical): entire (2); toothed (1) [sources: ABRS_2023; Jordan_2020]
leaf_margin_posture (categorical): undulate (1) [sources: ABRS_2023]
leaf_lobation (categorical): lobed (1); unlobed (2) [sources: Jordan_2020; Kooyman_2011]
leaf_compoundness (categorical): simple (3) [sources: ABRS_2023; Jordan_2020; Kooyman_2011]
leaf_hairs_adult_leaves (categorical): glabrous (1) [sources: Jordan_2020]
leaf_phyllotaxis (categorical): alternate (1) [sources: ABRS_2023]
leaf_stomatal_density_abaxial (numerical): 302.86 {count}/mm2 (302.86-302.86 {count}/mm2) [sources: Jordan_2020]
plant_photosynthetic_organ (categorical): leaf (1) [sources: ABRS_2023]

life history

plant_growth_form (categorical): tree (4) [sources: ABRS_2022; Cooper_2013; Kooyman_2011; Wenk_2022]
life_history (categorical): perennial (3) [sources: ABRS_2022; Jordan_2020; Wenk_2023]
woodiness_detailed (categorical): woody (2) [sources: ABRS_2022; Wenk_2022]
leaf_phenology (categorical): evergreen (2) [sources: ABRS_1981; Kooyman_2011]
flowering_time (categorical): nnnnnyyyynnn (2) [sources: Chen_2017; Cooper_2013]

seed morphology

seed_length (numerical): 19.83 mm (10-26 mm) [sources: ABRS_2023; Cooper_2013; Kooyman_2011]
seed_width (numerical): 4 mm (3-5 mm) [sources: ABRS_1981; ABRS_2023; Kooyman_2011]
seed_shape (categorical): winged (1) [sources: ABRS_2023]

whole plant morphology

plant_height (numerical): 10 m (10-10 m) [sources: ABRS_2023; Cooper_2013]

Sources

dataset_id	n_traits	n_records	reference
ABRS_2023	16	21	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
Jordan_2020	19	19	G. J. Jordan, R. J. Carpenter, B. R. Holland, N. J. Beeton, M. D. Woodhams, and T. J. Brodribb. “Links between environment and stomatal size through evolutionary time in Proteaceae”. Proceedings of the Royal Society B: Biological Sciences 287.1919 (2020), p. 20192876. doi: 10.1098/rspb.2019.2876.
Cooper_2013	10	13	W. Cooper and W. T. Cooper. Australian rainforest fruits. CSIRO Publishing, 2013, p. 272.
eFLOWER_Dun_2022	13	13	L. Dun and H. Sauquet. “Unpublished: Floral traits for GAP taxa, University of New South Wales, Australia”. 2022.
Kooyman_2011	8	10	R. Kooyman, M. Rossetto, W. Cornwell, and M. Westoby. “Phylogenetic tests of community assembly across regional to continental scales in tropical and subtropical rain forests”. Global Ecology and Biogeography 20 (2011), pp. 707-716. doi: 10.1111/j.1466-8238.2010.00641.x.
Chen_2017	5	5	Chen, S.-C., Cornwell, W., Z. H.-X., Moles, and A. T. “Plants show more flesh in the tropics: Variation in fruit type along latitudinal and climatic gradients.”. Ecography 40 (2017), pp. 531-538. doi: abs/10.1111/ecog.02010.
Gross_2005	4	4	C. L. Gross. “A comparison of the sexual systems in the trees from the Australian tropics with other tropical biomes-more monoecy but why?”. American Journal of Botany 92.6 (2005), pp. 907-919. doi: 10.3732/ajb.92.6.907.
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.
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/.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.