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Urodon capitatus Turcz.

Reference
Bull.Soc.Imp.Naturalistes Moscou 22(2):17 (1849)
Conservation Code
Priority Three
Naturalised Status
Native to Western Australia
Name Status
Current

Low spreading or upright shrub, (0.12-)0.3-1.2 m high, to 1 m wide. Fl. yellow-orange-red, Sep to Oct. Sandy gravelly soils. Plains.

Grazyna Paczkowska, Descriptive Catalogue, 8 August 1996

Scientific Description

Genus Urodon. 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 flat with flat margins, Margins of leaf or leaflet entire, Tuberculate tubercles absent, Pustules or glands absent. Length Leaf length 7-13. Width (entire leaves only) Leaf width 1.5-3. Scale leaves length mm long NaN (?). 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 present and persistent, Indumentum hairy, Striation not striate. Length Bracteole length 5-10. Pedicel Presence present, Indumentum hairy. Length Pedicel length 1-3. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 8-10.5. Indumentum Presence hairy, Type with simple hairs. Corolla Colour patterning uniformly coloured, Colour (when uniformly coloured) orange, Petal claws ( the narrow base of the petals absent. Length Corolla length 11-13. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 10.5-13. Wings Auricles not auriculate. Length Wing length 10-11. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 9.5-11. Stamens Number ten. Anthers anther length 0.8-1, Position at two different levels (filaments alternately long and short). Filaments Fusion free (or united at the very base) (?), united in a closed sheath (?) or united in an open sheath with one free stamen (?). Length Filament length 8-9. 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 10-11. Fruit Type dehiscent (a pod or follicle), 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 September, October, November or December. Distribution Botanical Province South-West, IBRA Bioregion Geraldton Sandplains or Avon Wheatbelt. Conservation Code Priority Three (P3).

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

Distribution

IBRA Regions
Avon Wheatbelt, Geraldton Sandplains.
IBRA Subregions
Katanning, Lesueur Sandplain, Merredin.
Local Government Areas (LGAs)
Carnamah, Coorow, Dalwallinu, Dowerin, Koorda, Kulin, Moora, Morawa, Perenjori, Wongan-Ballidu, Wyalkatchem.