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Cullen discolor (Domin) J.W.Grimes

Reference
Muelleria 9:195 (1996)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Prostrate, trailing, diffuse herb. Fl. pink-purple-blue/red, Sep to Nov. Red sand or sandy loam, alluvium. River levees, near creeks.

Amanda Spooner, Descriptive Catalogue, 1 October 1997

Scientific Description

Genus Cullen. Form prostrate,spreading or scrambling or twining or climbing plants. Habit herb. Stems Indumentum hairy, Pustules or glands present, 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 recurved margins, Margins of leaf or leaflet dentate, Tuberculate tubercles absent, Pustules or glands present. Length Leaf length 35-50. 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 present and persistent to older leaves, Glands without glands, Ribs ribless. Length Stipule length 1.5-6.5. Bracteoles Presence absent, Indumentum hairy (?) or glabrous (?), Striation striate (?) or not striate (?). Length Bracteole length NaN (?). Pedicel Presence present, Indumentum hairy. Length Pedicel length 0.5-1.5. Calyx Pustules or glands present, Ribs ribless, Enlarged in fruit accrescent (enlarged in fruit). Length Calyx length 6-8. Indumentum Presence hairy, Type with simple hairs. Corolla Colour patterning multicoloured, Colour (when multicoloured - choose one colour) pink, red or purple, Colour (when multicoloured - choose a second colour) pink, red or purple, Petal claws ( the narrow base of the petals absent. Length Corolla length 6-9. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 5-6. Wings Auricles not auriculate. Length Wing length 5.5-6. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 6-6.5. Stamens Number ten. Anthers anther length 0.2-0.3, Position at two different levels (filaments alternately long and short). Filaments Fusion united in an open sheath with one free stamen. Length Filament length 4.2-4.5. Ovary Placement stipitate. Indumentum Presence hairy or glandular. Style Indumentum hairy or glandular towards the base, Bearded ( with a tuft of hairs at apex ) not bearded, Apex terete. Length Style length 4.5-5. Fruit Type indehiscent and splitting into sections (schizocarps), Constriction not constricted between the seeds, Compression round in cross-section, Placement stipitate, Beak not beaked. Length Fruit length 5-6. Width Fruit width 4-4.5. Indumentum Presence glabrous. Flowering time September, October or November. Distribution Botanical Province Eremaean or South-West, IBRA Bioregion Pilbara, Carnarvon, Central Ranges, Coolgardie, Avon Wheatbelt or Mallee.

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

Distribution

IBRA Regions
Avon Wheatbelt, Carnarvon, Central Ranges, Coolgardie, Great Victoria Desert, Mallee.
IBRA Subregions
Eastern Goldfield, Eastern Mallee, Mann-Musgrave Block, Merredin, Shield, Southern Cross, Western Mallee, Wooramel.
Local Government Areas (LGAs)
Carnarvon, Coolgardie, Dundas, Esperance, Kalgoorlie-Boulder, Kondinin, Menzies, Mukinbudin, Ngaanyatjarraku, Upper Gascoyne.