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Cullen pallidum (N.T.Burb.) J.W.Grimes

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

Ascending & decumbent herb, to 0.6 m high. Fl. purple-pink, Aug. Red sand, clay loam. Sand dunes, slopes.

Amanda Spooner, Descriptive Catalogue, 17 September 1999

Scientific Description

Genus Cullen. Form prostrate,spreading or scrambling. 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 simple, 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 dentate, Tuberculate tubercles absent, Pustules or glands present. Length Leaf length 30-85. Width (entire leaves only) Leaf width 7-20. Scale leaves length mm long NaN (?). Indumentum Presence hairy, Type simple. Stipules Presence present and persistent to older leaves, Glands without glands, Ribs ribless. Length Stipule length 4-10. Bracteoles Presence absent, Indumentum hairy (?) or glabrous (?), Striation striate (?) or not striate (?). Length Bracteole length NaN (?). Pedicel Presence present, Indumentum hairy. Length Pedicel length 0.6-2. Calyx Pustules or glands present, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 7-7.2. Indumentum Presence hairy, Type with simple hairs. Corolla Colour patterning multicoloured, Colour (when multicoloured - choose one colour) pink or purple, Colour (when multicoloured - choose a second colour) pink or purple, Petal claws ( the narrow base of the petals absent. Length Corolla length 10-12.5. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 10-11.5. Wings Auricles not auriculate. Length Wing length 9-10. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 10-11. Stamens Number ten. Anthers anther length 0.3-0.4, Position at two different levels (filaments alternately long and short). Filaments Fusion united in an open sheath with one free stamen. Length Filament length 9.5-10. 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 10.5-11. 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 NaN (?). Width Fruit width NaN (?). Indumentum Presence hairy (?) or glabrous (?), Indumentum type with simple hairs (?) or with glandular hairs (?). Flowering time August. Distribution Botanical Province Eremaean, IBRA Bioregion Pilbara, Gibson Desert, Central Ranges or Nullarbor.

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

Distribution

IBRA Regions
Central Ranges, Gibson Desert, Nullarbor.
IBRA Subregions
Carlisle, Lateritic Plain, Mann-Musgrave Block.
Local Government Areas (LGAs)
Menzies, Ngaanyatjarraku.