Daviesia megacalyx Crisp

Scientific Description

Genus Daviesia. 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 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 30-90. Width (entire leaves only) Leaf width 6-10. 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 hairy. Length Pedicel length 8. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 7.5. Indumentum Presence hairy, Type with simple hairs. Corolla Colour patterning multicoloured, Colour (when multicoloured - choose one colour) yellow, red, orange or brown, Colour (when multicoloured - choose a second colour) yellow, red, orange or brown, Petal claws ( the narrow base of the petals present. Length Corolla length 12. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 9. Wings Auricles not auriculate. Length Wing length 7.2. Keel Auricles not auriculate, Indumentum glabrous, Beak beaked. Length Keel length NaN (?). Stamens Number ten. Anthers anther length NaN (?), Position at two different levels (filaments alternately long and short). Filaments Fusion free (or united at the very base). Length Filament length 6.5. 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 10. 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 20. Width Fruit width 10. Indumentum Presence glabrous. Flowering time August or September. Distribution Botanical Province South-West, IBRA Bioregion Esperance. Conservation Code Threatened (T).