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Daviesia pteroclada Crisp

Reference
Austral.Syst.Bot. 8:1223-1225,Fig.29 (1995)
Conservation Code
Priority Three
Naturalised Status
Native to Western Australia
Name Status
Current

Erect, broom-like shrub, 0.6-1.8 m high. Fl. orange & red, Jul to Aug. Sandy or clay gravelly soils over laterite. Hills.

Grazyna Paczkowska, Descriptive Catalogue, 6 June 1996
Image

Scientific Description

Genus Daviesia. Form erect. Habit shrub, spindly shrub (broom-like). Stems Indumentum glabrous, Pustules or glands absent, Striation (stems ribbed) striate, Cross section flattened, 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 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 NaN (?). Width (entire leaves only) Leaf width NaN (?). Scale leaves length mm long 1-2. Indumentum Presence glabrous. 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 absent, Indumentum hairy (?) or glabrous (?), Striation striate (?) or not striate (?). Length Bracteole length NaN (?). Pedicel Presence present, Indumentum glabrous. Length Pedicel length 2-3. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 2.8-3. Indumentum Presence glabrous. Corolla Colour patterning multicoloured, Colour (when multicoloured - choose one colour) red or orange, Colour (when multicoloured - choose a second colour) red or orange, Petal claws ( the narrow base of the petals present. Length Corolla length 7-7.5. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 6-7. Wings Auricles not auriculate. Length Wing length 5-5.5. Keel Auricles not auriculate, Indumentum glabrous, Beak beaked. Length Keel length 3.6-5. Stamens Number ten. Anthers anther length 0.1-0.2, Position at two different levels (filaments alternately long and short). Filaments Fusion free (or united at the very base). Length Filament length 4.5-5.5. Ovary Placement sessile or subsessile. Indumentum Presence glabrous. Style Indumentum glabrous, Bearded ( with a tuft of hairs at apex ) not bearded, Apex terete. Length Style length 5.4-6. Fruit Type dehiscent (a pod or follicle), Constriction not constricted between the seeds, Compression flat or compressed, Placement sessile or subsessile, Beak beaked. Length Fruit length 12-14. Width Fruit width 8-9. Indumentum Presence glabrous. Flowering time July or August. Distribution Botanical Province South-West, IBRA Bioregion Geraldton Sandplains. Conservation Code Priority Three (P3).

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

Distribution

IBRA Regions
Geraldton Sandplains.
IBRA Subregions
Lesueur Sandplain.
Local Government Areas (LGAs)
Carnamah, Coorow, Dandaragan.