Daviesia alternifolia Endl.

Scientific Description

Genus Daviesia. Form prostrate,spreading or scrambling. Habit shrub, spindly shrub (broom-like). Stems Indumentum hairy, Pustules or glands absent, Striation (stems ribbed) 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 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 30-60. Width (entire leaves only) Leaf width 5-15. 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 0.5-2. Bracteoles Presence present and persistent, Indumentum hairy, Striation not striate. Length Bracteole length 14-25. Pedicel Presence present, Indumentum hairy. Length Pedicel length 3.6-4.5. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit accrescent (enlarged in fruit). Length Calyx length 6-7.2. Indumentum Presence hairy, Type with simple hairs. Corolla Colour patterning multicoloured, Colour (when multicoloured - choose one colour) red, orange, brown or purple, Colour (when multicoloured - choose a second colour) red, orange, brown or purple, Petal claws ( the narrow base of the petals present. Length Corolla length 13-17. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 13-15. Wings Auricles not auriculate. Length Wing length 11-13.2. Keel Auricles not auriculate, Indumentum glabrous, Beak beaked. Length Keel length 12-15. Stamens Number ten. Anthers anther length 0.5-0.6, Position at two different levels (filaments alternately long and short). Filaments Fusion free (or united at the very base). Length Filament length 7-9. 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 9-9.5. 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 NaN (?). Width Fruit width NaN (?). Indumentum Presence hairy (?) or glabrous (?), Indumentum type with simple hairs (?) or with glandular hairs (?). Flowering time September, October or November. Distribution Botanical Province South-West, IBRA Bioregion Jarrah Forest, Mallee or Esperance.