Mirbelia sp. Zuytdorp (G.J. Keighery & N. Gibson 1688)

Scientific Description

Genus Mirbelia. Form erect (?), prostrate,spreading or scrambling (?) or twining or climbing plants (?). Habit tree (?), shrub, spindly shrub (broom-like) (?) or herb (?). 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 or absent or apparently so (reduced to scales), Position whorled, Leaves simple, Leaves or phylloclade continuous with stem not continuous with stem, Cross section of leaf or leaflet revolute, Tuberculate tubercles absent, Pustules or glands absent. Length Leaf length 4-7. Width (entire leaves only) Leaf width 1-1.3. Scale leaves length mm long NaN (?). Indumentum Presence hairy, Type simple. Stipules Presence present but early deciduous ( only visible on youngest leaves ), Glands with glands (?) or without glands (?), Ribs ribbed (?) or ribless (?). Length Stipule length NaN (?). Bracteoles Presence present and persistent, Indumentum hairy (?) or glabrous (?), Striation striate (?) or not striate (?). Length Bracteole length NaN (?). 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 6-7. Indumentum Presence hairy, Type with simple hairs. Corolla Colour patterning multicoloured, Colour (when multicoloured - choose one colour) yellow, red or orange, Colour (when multicoloured - choose a second colour) yellow, red or orange, Petal claws ( the narrow base of the petals absent. Length Corolla length 11.5-13. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 8-10. Wings Auricles not auriculate. Length Wing length 6-7.5. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length NaN (?). Stamens Number ten. Anthers anther length NaN (?), Position all at the same level (filaments all the same loength) (?) or at two different levels (filaments alternately long and short) (?). Filaments Fusion free (or united at the very base) (?), united in an open sheath (?), united in a closed sheath (?) or united in an open sheath with one free stamen (?). Length Filament length NaN (?). Ovary Placement stipitate (?) or sessile or subsessile (?). Indumentum Presence hairy or glandular (?) or glabrous (?). Style Indumentum hairy or glandular towards the base (?) or glabrous (?), Bearded ( with a tuft of hairs at apex ) bearded (with a tuft of hairs at apex) (?) or not bearded (?), Apex terete (?) or flattened at apex (?). Length Style length NaN (?). Fruit Type dehiscent (a pod or follicle), Constriction not constricted between the seeds, Compression round in cross-section, 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 August. Distribution Botanical Province South-West, IBRA Bioregion Geraldton Sandplains.