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Aotus cordifolia Benth.

Reference
Endl., Fenzl, Benth. & Schott, Enum.Pl. 33 (1837)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Erect or straggling shrub, 0.3-1.5 m high. Fl. yellow, Aug to Dec or Jan. Peaty soils. Swamps.

Grazyna Paczkowska, Descriptive Catalogue, 23 May 1996
Image

Scientific Description

Genus Aotus. Form erect. Habit shrub, spindly shrub (broom-like). Stems Indumentum hairy, 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 opposite, 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 6-12. Width (entire leaves only) Leaf width 3-7. 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 absent, Indumentum hairy (?) or glabrous (?), Striation striate (?) or not striate (?). Length Bracteole length NaN (?). Pedicel Presence present, Indumentum hairy. Length Pedicel length 1.3-1.5. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 2.8-3.2. Indumentum Presence hairy, Type with simple hairs. Corolla Colour patterning uniformly coloured, Colour (when uniformly coloured) yellow, Petal claws ( the narrow base of the petals present. Length Corolla length 5.5-9.5. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 5.5-9. Wings Auricles not auriculate. Length Wing length 4.8-6.5. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 5-7. Stamens Number ten. Anthers anther length 0.3-0.4, 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. Ovary Placement stipitate or sessile or subsessile. Indumentum Presence hairy or glandular. Style Indumentum glabrous, Bearded ( with a tuft of hairs at apex ) not bearded, Apex terete. Length Style length 5.2-6.3. 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 NaN (?). Width Fruit width NaN (?). Indumentum Presence hairy (?) or glabrous (?), Indumentum type with simple hairs (?) or with glandular hairs (?). Flowering time January, August, September, October, November or December. Distribution Botanical Province South-West, IBRA Bioregion Jarrah Forest, Warren or Swan Coastal Plain.

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

Distribution

IBRA Regions
Jarrah Forest, Swan Coastal Plain, Warren.
IBRA Subregions
Northern Jarrah Forest, Perth, Southern Jarrah Forest, Warren.
Local Government Areas (LGAs)
Armadale, Augusta Margaret River, Bayswater, Busselton, Capel, Cockburn, Collie, Donnybrook-Balingup, Harvey, Kalamunda, Kwinana, Melville, Mundaring, Murray, Perth, Serpentine-Jarrahdale, Swan.