Pultenaea pauciflora M.B.Scott
Narrogin Pea

Scientific Description

Genus Pultenaea. 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 alternate, Leaves simple, Leaves or phylloclade continuous with stem not continuous with stem, Cross section of leaf or leaflet flat with flat margins or strongly recurved, appearing terete but with one or two grooves below, Margins of leaf or leaflet entire, Tuberculate tubercles absent, Pustules or glands absent. Length Leaf length 12-25. Width (entire leaves only) Leaf width 1-2.5. Scale leaves length mm long NaN (?). Indumentum Presence hairy, Type simple. Stipules Presence present and persistent to older leaves, Glands without glands, Ribs ribless. Length Stipule length 1.4-1.6. Bracteoles Presence present and persistent, Indumentum hairy, Striation not striate. Length Bracteole length 2.3-4.5. Pedicel Presence absent (flowers sessile), Indumentum hairy (?) or glabrous (?). Length Pedicel length NaN (?). Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 5.5-7.5. 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 13.5-16. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 12-13. Wings Auricles not auriculate. Length Wing length 10.5-11.2. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 10.5-11. Stamens Number ten. Anthers anther length 0.8, Position at two different levels (filaments alternately long and short). Filaments Fusion free (or united at the very base). Length Filament length 7-8.5. Ovary Placement sessile or subsessile. Indumentum Presence hairy or glandular. Style Indumentum hairy or glandular towards the base, Bearded ( with a tuft of hairs at apex ) not bearded, Apex terete. Length Style length 11-11.5. Fruit Type dehiscent (a pod or follicle), Constriction not constricted between the seeds, Compression flat or compressed, Placement sessile or subsessile, 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 October or November. Distribution Botanical Province South-West, IBRA Bioregion Avon Wheatbelt or Jarrah Forest. Conservation Code Threatened (T).