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Daviesia horrida Meisn.
Prickly Bitter-pea

Reference
Lehm., Pl.Preiss. [J.G.C.Lehmann] 1:54-55 (1844)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Divaricate shrub, 0.3-2 m high. Fl. yellow/orange & red/brown, Jul to Nov. Laterite or granite. Outcrops, rocky hillsides, flats.

Grazyna Paczkowska, Descriptive Catalogue, 4 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 terete, Spiny on any part of plant spiny at least in part. 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 25-145. Width (entire leaves only) Leaf width 3-20. 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 absent, Indumentum hairy (?) or glabrous (?), Striation striate (?) or not striate (?). Length Bracteole length NaN (?). Pedicel Presence present, Indumentum glabrous. Length Pedicel length 4-5.2. Calyx Pustules or glands absent, Ribs ribbed, Enlarged in fruit not accrescent. Length Calyx length 2.8-4.8. Indumentum Presence glabrous. Corolla Colour patterning multicoloured, Colour (when multicoloured - choose one colour) yellow or orange, Colour (when multicoloured - choose a second colour) yellow or orange, Petal claws ( the narrow base of the petals present. Length Corolla length 9-11. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 8.5-10. Wings Auricles not auriculate. Length Wing length 6.5-7.5. Keel Auricles not auriculate, Indumentum glabrous, Beak beaked. Length Keel length 6.5-7. Stamens Number ten. Anthers anther length 0.2-0.3, Position at two different levels (filaments alternately long and short). Filaments Fusion free (or united at the very base). Length Filament length 6-7. 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 7.5-8. 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 10-18. Width Fruit width 10-20. Indumentum Presence glabrous. Flowering time July, August, September, October or November. Distribution Botanical Province South-West, IBRA Bioregion Avon Wheatbelt, Jarrah Forest, Warren, Esperance or Swan Coastal Plain.

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

Distribution

IBRA Regions
Esperance Plains, Jarrah Forest, Swan Coastal Plain, Warren.
IBRA Subregions
Fitzgerald, Northern Jarrah Forest, Perth, Southern Jarrah Forest, Warren.
IMCRA Regions
Leeuwin-Naturaliste.
Local Government Areas (LGAs)
Albany, Armadale, Augusta Margaret River, Boyup Brook, Brookton, Busselton, Chittering, Collie, Cranbrook, Dardanup, Denmark, Donnybrook-Balingup, Gosnells, Kalamunda, Kojonup, Manjimup, Mundaring, Murray, Nannup, Perth, Plantagenet, Serpentine-Jarrahdale, Swan, Wandering, York.