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Muelleranthus trifoliolatus (F.Muell.) A.T.Lee

Reference
Contr.New South Wales Natl.Herb. 4:418 (1973)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Prostrate to semi-prostrate annual or perennial, herb, 0.02-0.3 m high, 0.3-2 m wide. Fl. yellow & orange/yellow & brown, Apr to Nov. Red sandy soils, clayey soils. Stream & river banks, edges of lakes & pools, claypans, rocky outcrops.

Grazyna Paczkowska, Descriptive Catalogue, 25 July 1996
Image

Scientific Description

Genus Muelleranthus. Form twining or climbing plants. Stems Indumentum glabrous, 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 10-15. Width (entire leaves only) Leaf width NaN (?). Scale leaves length mm long NaN (?). Leaflets Number three, Arrangement palmately arranged. Terminal leaflet Presence present, Stalk sessile. Indumentum Presence hairy, Type simple. Stipules Presence present and persistent to older leaves, Glands without glands, Ribs ribless. Length Stipule length 3.2-5.2. Bracteoles Presence present and persistent, Indumentum glabrous, Striation not striate. Length Bracteole length 3-4. Pedicel Presence present, Indumentum hairy. Length Pedicel length 4. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 4-5. Indumentum Presence glabrous. Corolla Colour patterning multicoloured, Colour (when multicoloured - choose one colour) yellow, orange or brown, Colour (when multicoloured - choose a second colour) yellow, orange or brown, Petal claws ( the narrow base of the petals present. Length Corolla length 7-14. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 9-11. Wings Auricles not auriculate. Length Wing length 8-10.5. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 9-10. Stamens Number ten. Anthers anther length 0.6-0.8, Position at two different levels (filaments alternately long and short). Filaments Fusion free (or united at the very base) (?), united in an open sheath (?), united in a closed sheath (?) or united in an open sheath with one free stamen (?). Length Filament length 6-10. Ovary Placement stipitate. Indumentum Presence glabrous. Style Indumentum glabrous, Bearded ( with a tuft of hairs at apex ) not bearded, Apex terete. Length Style length 10-11. Fruit Type dehiscent (a pod or follicle) (?), indehiscent and not splitting into sections (?) or indehiscent and splitting into sections (schizocarps) (?), Constriction constricted between the seeds (?) or not constricted between the seeds (?), Compression flat or compressed (?) or round in cross-section (?), Placement stipitate (?) or sessile or subsessile (?), Beak beaked (?) or not beaked (?). Length Fruit length 17-28. Width Fruit width 4-5. Indumentum Presence glabrous. Flowering time April, May, June, July, August, September, October or November. Distribution Botanical Province Eremaean, IBRA Bioregion Carnarvon, Gascoyne, Little Sandy Desert or Murchison.

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

Distribution

IBRA Regions
Carnarvon, Gascoyne, Little Sandy Desert, Murchison.
IBRA Subregions
Augustus, Eastern Murchison, Trainor, Western Murchison, Wooramel.
Local Government Areas (LGAs)
Cue, East Pilbara, Meekatharra, Mount Magnet, Murchison, Shark Bay, Upper Gascoyne, Wiluna, Yalgoo.