Rhytidosporum alpinum

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Family Pittosporaceae

Taxonomy: Rhytidosporum alpinum McGill.

Synonyms: 2 (APC 2026-07-30)

Billardiera alpina (McGill.) E.M.Benn. (nomenclatural synonym)
Marianthus sp. (taxonomic synonym)

Distribution (APC): NSW, ACT

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

Traits

Top source datasets: ABRS_2023 (9), ANBG_2019 (5), Clarke_2015 (3), Jordan_2001 (4), NHNSW_2014_2 (2), NHNSW_2022 (4), NHNSW_2023 (19), NSWFRD_2014 (3), Sjostrom_2006 (1), Wenk_2022 (2), Wenk_2023 (1), White_2020 (42). See below for a full list of sources.
Summary: AusTraits contains 50 traits from 95 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.

fire response

resprouting_capacity (categorical): resprouts (4) [sources: Clarke_2015; NSWFRD_2014; White_2020]
post_fire_recruitment (categorical): post_fire_recruitment_absent (1) [sources: Clarke_2015]

flower morphology

flower_colour (categorical): white_cream (1) [sources: NHNSW_2014_2]
sex_type (categorical): hermaphrodite (2); monoecious (1) [sources: Jordan_2001; Sjostrom_2006]

fruit morphology

fruit_length (numerical): 5 mm (5-5 mm) [sources: NHNSW_2023]
fruit_width (numerical): 5 mm (4-6 mm) [sources: NHNSW_2023]
fruit_height (numerical): 5 mm (4-6 mm) [sources: NHNSW_2023]
fruit_type (categorical): capsule (1) [sources: NHNSW_2023]
fruit_fleshiness (categorical): dry (1) [sources: Jordan_2001]
fruit_dehiscence (categorical): indehiscent (2) [sources: ABRS_2023; NHNSW_2023]

leaf morphology

leaf_length (numerical): 12 mm (10-14 mm) [sources: NHNSW_2023]
leaf_width (numerical): 4.5 mm (4-5 mm) [sources: NHNSW_2023]
leaf_shape (categorical): elliptical (1); narrowly_elliptical (2); widely_obovate (2) [sources: ABRS_2023; NHNSW_2023]
leaf_margin (categorical): entire (1); toothed (1) [sources: NHNSW_2023]
leaf_margin_posture (categorical): flat (1) [sources: ABRS_2023]
leaf_compoundness (categorical): simple (1) [sources: NHNSW_2023]
leaf_lamina_posture (categorical): recurved (1) [sources: NHNSW_2023]
leaf_phyllotaxis (categorical): alternate (1); whorled (1) [sources: ABRS_2023; NHNSW_2023]
plant_photosynthetic_organ (categorical): leaf (2) [sources: ABRS_2023; NHNSW_2023]

life history

photosynthetic_pathway (categorical): c3 (2) [sources: White_2020]
plant_growth_form (categorical): shrub (5) [sources: NHNSW_2022; NSWFRD_2014; Wenk_2022; White_2020]
life_history (categorical): perennial (3) [sources: Jordan_2001; NHNSW_2022; Wenk_2023]
woodiness_detailed (categorical): woody (2) [sources: NHNSW_2022; Wenk_2022]
stem_growth_habit (categorical): dense (1); prostrate (2); rhizomatous (1) [sources: NHNSW_2022; White_2020]
nitrogen_fixing (categorical): non_nitrogen_fixer (2) [sources: White_2020]
parasitic (categorical): not_parasitic (2) [sources: White_2020]
pollination_syndrome (categorical): insect (2) [sources: White_2020]
dispersal_syndrome (categorical): zoochory (2) [sources: White_2020]
dispersers (categorical): invertebrates (2) [sources: White_2020]
flowering_time (categorical): ynnnnnnnnnny (2); yynnnnnnnnny (1); yynnnnnnyyyy (1) [sources: NHNSW_2014_2; NSWFRD_2014; White_2020]
seedbank_longevity_class (categorical): persistent (2) [sources: White_2020]
vegetative_reproduction_ability (categorical): vegetative (2) [sources: White_2020]
storage_organ (categorical): rhizome (1) [sources: NHNSW_2023]
bud_bank_location (categorical): basal_stem_buds (1) [sources: Clarke_2015]

seed morphology

seed_dry_mass (numerical): 1.11 mg (1.11-1.11 mg) [sources: ANBG_2019]
seed_length (numerical): 1.72 mm (1-2 mm) [sources: ANBG_2019; ABRS_2023]
seed_width (numerical): 1.58 mm (1.58-1.58 mm) [sources: ANBG_2019]
seed_shape (categorical): polyhedral (1); reniform (2) [sources: ABRS_2023; ANBG_2019]

whole plant morphology

plant_height (numerical): 0.1 m (0.1-0.1 m) [sources: NHNSW_2023]
plant_physical_defence_structures (categorical): absent (2) [sources: White_2020]

Sources

dataset_id	n_traits	n_records	reference
White_2020	21	42	M. White, S. Sinclair, and D. Frood. Victorian Vital Attributes Database. database. Department of Environment, Land, Water and Planning, Victoria, 2020.
NHNSW_2023	15	19	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/.
ABRS_2023	8	9	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
ANBG_2019	5	5	Australian National Botanic Gardens. The National Seed Bank. 2018. url: http://www.anbg.gov.au/gardens/living/seedbank/.
Jordan_2001	4	4	G. J. Jordan. “An investigation of long-distance dispersal based on species native to both Tasmania and New Zealand”. Australian Journal of Botany 49.3 (2001), pp. 333-340. doi: 10.1071/bt00024.
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/.
Clarke_2015	3	3	P. J. Clarke, M. J. Lawes, B. P. Murphy, J. Russell-Smith, C. E. Nano, R. Bradstock, N. J. Enright, J. B. Fontaine, C. R. Gosper, I. Radford, J. J. Midgley, and R. M. Gunton. “A synthesis of postfire recovery traits of woody plants in Australian ecosystems”. Science of The Total Environment 534 (2015), pp. 31-42. doi: 10.1016/j.scitotenv.2015.04.002.
NSWFRD_2014	3	3	B. Kenny, C. Orscheg, E. Tasker, M. A. Gill, and R. Bradstock. NSW Flora Fire Response Database, v2.1. database. NSW Department of Planning Industry and Environment, 2014.
NHNSW_2014_2	2	2	Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Sjostrom_2006	1	1	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.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.