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Dillwynia divaricata (Turcz.) Benth.

Reference
Fl.Austral. 2:151 (1864)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Spreading shrub, 0.2-0.6 m high. Fl. yellow & brown. Sandy soils. Flats.

Grazyna Paczkowska, Descriptive Catalogue, 7 June 1996
Image

Scientific Description

Genus Dillwynia. Form erect. Habit shrub, spindly shrub (broom-like). 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 simple, Leaves or phylloclade continuous with stem not continuous with stem, Cross section of leaf or leaflet strongly recurved, appearing terete but with one or two grooves below, Margins of leaf or leaflet entire, Tuberculate tubercles absent, Pustules or glands absent. Length Leaf length 6-15. Width (entire leaves only) Leaf width 0.8-1. Scale leaves length mm long NaN (?). 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 but early deciduous, Indumentum hairy, Striation not striate. Length Bracteole length 3-3.2. Pedicel Presence present or absent (flowers sessile), Indumentum hairy. Length Pedicel length 0.5. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 5-7. Indumentum Presence hairy, Type with simple hairs. Corolla Colour patterning multicoloured, Colour (when multicoloured - choose one colour) yellow or brown, Colour (when multicoloured - choose a second colour) yellow or brown, Petal claws ( the narrow base of the petals present. Length Corolla length 7.5-10. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 7-9.6. Wings Auricles not auriculate. Length Wing length 6.6-7.5. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 5-7. 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 2.6-5. Ovary Placement sessile or subsessile. 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 3.5-4.6. Fruit Constriction not constricted between the seeds, Compression round in cross-section, Placement sessile or subsessile, 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 February, March, April, May, August or November. Distribution Botanical Province Eremaean or South-West, IBRA Bioregion Coolgardie, Avon Wheatbelt, Mallee or Esperance.

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

Distribution

IBRA Regions
Avon Wheatbelt, Coolgardie, Esperance Plains, Mallee.
IBRA Subregions
Eastern Mallee, Fitzgerald, Merredin, Recherche, Southern Cross, Western Mallee.
Local Government Areas (LGAs)
Albany, Esperance, Jerramungup, Kent, Kondinin, Lake Grace, Merredin, Ravensthorpe, Yilgarn.