Muelleranthus obovatus I.Thomps.

Scientific Description

Genus Muelleranthus. Form prostrate,spreading or scrambling. 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 10-25. 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 2-3. 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 1.5-2. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 3. Indumentum Presence hairy, Type with simple hairs. Corolla Colour patterning multicoloured, Colour (when multicoloured - choose one colour) yellow or brown, Colour (when multicoloured - choose a second colour) yellow or brown, Petal claws ( the narrow base of the petals present. Length Corolla length 6-7. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 5.5-6. Wings Auricles not auriculate. Length Wing length 4-4.5. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 6-6.5. Stamens Number ten. Anthers anther length NaN (?), 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 4.5-5.5. Ovary Placement stipitate. Indumentum Presence glabrous. Style Indumentum glabrous, Bearded ( with a tuft of hairs at apex ) not bearded, Apex terete. Length Style length 5-6. 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, Beak beaked (?) or not beaked (?). Length Fruit length 15-20. Width Fruit width 4-5. Indumentum Presence glabrous. Flowering time March, April, May, June, August or September. Distribution Botanical Province Eremaean, IBRA Bioregion Carnarvon, Gascoyne or Murchison.