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Jacksonia capitata Benth.

Reference
Commentat.Legum.Gen. 10 (1837)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Decumbent or ascending-erect shrub, 0.05-0.45 m high. Fl. yellow & orange & red, Oct to Dec or Jan. Sandy soils. Plains.

Grazyna Paczkowska, Descriptive Catalogue, 21 June 1996
Image

Scientific Description

Genus Jacksonia. Form erect or prostrate,spreading or scrambling. Habit shrub, spindly shrub (broom-like). Stems Indumentum hairy, Pustules or glands absent, Striation (stems ribbed) striate, Cross section terete, Spiny on any part of plant not spiny. Leaves or phylloclades Presence absent or apparently so (reduced to scales), 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 entire or dentate, Tuberculate tubercles absent. Length Leaf length NaN (?). Width (entire leaves only) Leaf width NaN (?). Scale leaves length mm long 0.5-1.5. Indumentum Presence hairy, Type simple. Stipules Presence apparently absent even from the youngest leaves, Glands with glands (?) or without glands (?), Ribs ribbed (?) or ribless (?). Length Stipule length NaN (?). Bracteoles Presence present and persistent, Indumentum hairy, Striation not striate. Length Bracteole length 0.5-1.5. Pedicel Presence present, Indumentum hairy. Length Pedicel length 1-1.5. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 7.5-10. Indumentum Presence hairy, Type with simple hairs. Corolla Colour patterning multicoloured, Colour (when multicoloured - choose one colour) yellow, red or orange, Colour (when multicoloured - choose a second colour) yellow, red or orange, Petal claws ( the narrow base of the petals present. Length Corolla length 7.5-9. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 6-6.5. Wings Auricles not auriculate. Length Wing length 5.5-6. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 7.5-8. Stamens Number ten. Anthers anther length 0.4-0.5, Position at two different levels (filaments alternately long and short). Filaments Fusion free (or united at the very base). Length Filament length 4-5.6. 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 7-7.3. Fruit Type dehiscent (a pod or follicle), Constriction not constricted between the seeds, Compression round in cross-section, Placement stipitate, Beak beaked (?) or 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 January, October, November or December. Distribution Botanical Province South-West, IBRA Bioregion Avon Wheatbelt, Jarrah Forest, Mallee or Esperance.

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

Distribution

IBRA Regions
Avon Wheatbelt, Esperance Plains, Jarrah Forest, Mallee.
IBRA Subregions
Eastern Mallee, Fitzgerald, Katanning, Northern Jarrah Forest, Recherche, Southern Jarrah Forest, Western Mallee.
IMCRA Regions
Eucla.
Local Government Areas (LGAs)
Albany, Collie, Cranbrook, Esperance, Gnowangerup, Jerramungup, Plantagenet, Ravensthorpe.