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Service Notice

The Western Australian Herbarium’s collections management system and census were set to read-only mode on 1 October 2025. Taxonomic updates published since this time are not being reflected in Florabase, herbarium collections, or Western Australia’s taxonomic names census (Nomos). Conservation listings displayed on Florabase may also be out of date. Please refer to DBCA’s Threatened species and communities webpage for the most recent Threatened and Priority Flora List, noting that recent taxonomic updates are similarly not included. Our database migration is moving to a staging phase. We thank you for your patience as we ensure the integrity of our biodiversity data, develop new workflows, and train staff to use the new systems. Please reach out to us if you have any questions or concerns.

The notice period started at 12:00 pm on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Friday, 1 January 2027 +08:00.

Lotus cruentus Court
Redflower Lotus

Reference
Victorian Naturalist 73:174 (1957)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Prostrate to ascending annual, herb, (0.01-)0.05-0.5 m high. Fl. red/pink, Jul to Oct or Jan or Mar to Apr. Sandy & clayey soils, stony soils. Claypans, near creeks, dried up watercourses, damp saline areas.

Grazyna Paczkowska, Descriptive Catalogue, 23 July 1996
Image

Scientific Description

Genus Lotus. Form twining or climbing plants. Habit herb. Stems Indumentum hairy, Pustules or glands absent, Striation (stems ribbed) not striate, Cross section terete, Spiny on any part of plant not spiny. Leaves or phylloclades Presence clearly present, Position alternate, Leaves compound, Leaves or phylloclade continuous with stem not continuous with stem, Cross section of leaf or leaflet flat with flat margins, Margins of leaf or leaflet entire, Tuberculate tubercles absent, Pustules or glands absent. Length Leaf length 10-30. Width (entire leaves only) Leaf width NaN (?). Scale leaves length mm long NaN (?). Leaflets Number three, Arrangement pinnately arranged. Terminal leaflet Presence present, Stalk stalked. Indumentum Presence hairy, Type simple. Stipules Presence apparently absent even from the youngest leaves, Glands with glands (?) or without glands (?), Ribs ribbed (?) or ribless (?). Length Stipule length NaN (?). Bracteoles Presence present and persistent, Indumentum hairy (?) or glabrous (?), Striation striate (?) or not striate (?). Length Bracteole length NaN (?). Pedicel Presence present, Indumentum hairy. Length Pedicel length 0.5-1. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 8-8.5. Indumentum Presence hairy, Type with simple hairs. Corolla Colour patterning multicoloured, Colour (when multicoloured - choose one colour) pink or red, Colour (when multicoloured - choose a second colour) pink or red. Length Corolla length 8-14. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 8-11. Wings Auricles auriculate. Length Wing length 7-11. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 7-12.5. Stamens Number ten. Anthers anther length 0.3-0.5, Position at two different levels (filaments alternately long and short). Filaments Fusion united in an open sheath with one free stamen. Length Filament length 7-10.5. Ovary Placement sessile or subsessile. Indumentum Presence glabrous. Style Indumentum glabrous, Bearded ( with a tuft of hairs at apex ) not bearded, Apex terete. Length Style length 6.3-13. Fruit Type dehiscent (a pod or follicle), Constriction not constricted between the seeds, Compression round in cross-section, Placement sessile or subsessile, Beak not beaked. Length Fruit length 30-40. Width Fruit width 2.5-3. Indumentum Presence glabrous. Flowering time January, March, April, July, August, September or October. Distribution Botanical Province Eremaean or South-West, IBRA Bioregion Great Sandy Desert, Pilbara, Carnarvon, Gascoyne, Little Sandy Desert, Gibson Desert, Central Ranges, Yalgoo, Murchison, Coolgardie, Nullarbor or Avon Wheatbelt.

C. Hollister and K.R. Thiele, 17 April 2024

Distribution

IBRA Regions
Avon Wheatbelt, Carnarvon, Central Ranges, Coolgardie, Gascoyne, Gibson Desert, Great Sandy Desert, Hampton, Little Sandy Desert, Murchison, Nullarbor, Pilbara, Yalgoo.
IBRA Subregions
Ashburton, Augustus, Cape Range, Carlisle, Carnegie, Chichester, Eastern Goldfield, Eastern Murchison, Edel, Fortescue, Hamersley, Hampton, Katanning, Lateritic Plain, Mackay, Mann-Musgrave Block, Mardabilla, Merredin, Nullarbor Plain, Roebourne, Southern Cross, Tallering, Trainor, Western Murchison, Wooramel.
IMCRA Regions
Pilbara (nearshore), Shark Bay.
Local Government Areas (LGAs)
Ashburton, Carnarvon, Coolgardie, Cue, Dundas, East Pilbara, Exmouth, Kalgoorlie-Boulder, Karratha, Kellerberrin, Laverton, Leonora, Meekatharra, Menzies, Mount Magnet, Murchison, Ngaanyatjarraku, Port Hedland, Sandstone, Shark Bay, Upper Gascoyne, Wiluna, Wongan-Ballidu, Yalgoo, Yilgarn.