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Bossiaea cucullata J.H.Ross

Muelleria 11:8-11,Figs2,3 (1998)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status

Shrub. Sandy loam. Open mallee community.

Helen Coleman, Descriptive Catalogue, 16 October 1998

Scientific Description

Genus Bossiaea. Form erect. Habit shrub, spindly shrub (broom-like). Stems Indumentum glabrous, Pustules or glands absent, Striation (stems ribbed) not striate, Cross section flattened, Spiny on any part of plant spiny at least in part. 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 (?) or continuous with stem (?), Cross section of leaf or leaflet flat with flat margins, Margins of leaf or leaflet entire, Pustules or glands absent. Length Leaf length NaN (?). Width (entire leaves only) Leaf width NaN (?). Scale leaves length mm long 2. Indumentum Presence hairy (?) or glabrous (?), Type simple (?) or gland-tipped (?). Stipules Presence present and persistent to older leaves, Glands with glands (?) or without glands (?), Ribs ribbed (?) or ribless (?). Length Stipule length NaN (?). Bracteoles Presence present and persistent (?), absent (?) or present but early deciduous (?), Indumentum hairy, Striation not striate. Length Bracteole length 1.2-1.5. Pedicel Presence present, Indumentum glabrous. Length Pedicel length 2-4. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 9-10.5. Indumentum Presence glabrous. Corolla Colour patterning multicoloured, Colour (when multicoloured - choose one colour) yellow or red, Colour (when multicoloured - choose a second colour) yellow or red, Petal claws ( the narrow base of the petals present. Length Corolla length 16-17. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 8-15. Wings Auricles not auriculate. Length Wing length 8.5-10. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 12-13. Stamens Number ten. Anthers anther length 0.8-1, Position at two different levels (filaments alternately long and short). Filaments Fusion united in an open sheath. Length Filament length 12-16. Ovary Placement stipitate. Indumentum Presence glabrous. Style Indumentum glabrous, Bearded ( with a tuft of hairs at apex ) not bearded, Apex terete. Length Style length 13-14. Fruit Type dehiscent (a pod or follicle), Constriction not constricted between the seeds, Compression flat or compressed, Placement stipitate, Beak not beaked. Length Fruit length 30-32. Width Fruit width 4-6. Indumentum Presence glabrous. Flowering time March, April, May, June, July, August, September or October. Distribution Botanical Province Eremaean or South-West, IBRA Bioregion Coolgardie, Avon Wheatbelt or Mallee.

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


IBRA Regions
Avon Wheatbelt, Coolgardie, Mallee, Murchison.
IBRA Subregions
Eastern Goldfield, Eastern Murchison, Merredin, Southern Cross, Western Mallee.
Local Government Areas (LGAs)
Coolgardie, Dundas, Esperance, Lake Grace, Menzies, Wyalkatchem.