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Swainsona paradoxa W.Fitzg.

Reference
J.Western Australia Nat.Hist.Soc. 1:5 (1904)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Prostrate or ascending perennial or annual, herb, to 0.2 m high. Fl. purple/pink/white, Apr to May or Jul to Sep. Margins of salt lakes, salt flats.

Grazyna Paczkowska, Descriptive Catalogue, 5 August 1996

Scientific Description

Genus Swainsona. Form prostrate,spreading or scrambling. Habit herb. 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 continuous with stem, Cross section of leaf or leaflet flat with recurved margins, Margins of leaf or leaflet entire, Tuberculate tubercles absent, Pustules or glands absent. Length Leaf length 45-80. Width (entire leaves only) Leaf width NaN (?). Scale leaves length mm long NaN (?). Leaflets Number more than three, Number of leaflets (if more than three) 7-11, 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 2. Bracteoles Presence present and persistent, Indumentum hairy, Striation not striate. Length Bracteole length 0.7. Pedicel Presence present, Indumentum hairy. Length Pedicel length 3-3.5. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 3-3.5. 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 present. Length Corolla length 8.5-10. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 8-9.2. Wings Auricles not auriculate. Length Wing length 7.5-8.6. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 8-9.5. Stamens Number ten. Anthers anther length 0.4-0.5, Position at two different levels (filaments alternately long and short). Filaments Fusion united in an open sheath with one free stamen. Length Filament length 7-7.5. Ovary Placement stipitate. Indumentum Presence hairy or glandular. Style Indumentum hairy or glandular towards the base, Bearded ( with a tuft of hairs at apex ) bearded (with a tuft of hairs at apex), Apex terete. Length Style length 9-10.5. Fruit Type dehiscent (a pod or follicle), Constriction not constricted between the seeds, Compression flat or compressed, Placement stipitate. Length Fruit length 15-20. Width Fruit width 10-12. Indumentum Presence glabrous. Flowering time April, May, July, August or September. Distribution Botanical Province Eremaean, IBRA Bioregion Gascoyne, Murchison or Coolgardie.

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

Distribution

IBRA Regions
Coolgardie, Gascoyne, Murchison.
IBRA Subregions
Augustus, Eastern Goldfield, Eastern Murchison, Western Murchison.
Local Government Areas (LGAs)
Cue, Kalgoorlie-Boulder, Leonora, Meekatharra, Murchison, Sandstone, Upper Gascoyne, Wiluna.