Mirbelia stipitata Crisp & J.M.Taylor

Scientific Description

Genus Mirbelia. 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 not spiny. Leaves or phylloclades Presence absent or apparently so (reduced to scales), Position alternate, Leaves simple (?) or compound (?), Leaves or phylloclade continuous with stem not continuous with stem (?) or 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 NaN (?). Width (entire leaves only) Leaf width NaN (?). Scale leaves length mm long 0.8-2. Indumentum Presence glabrous. 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 present, Indumentum glabrous. Length Pedicel length 2.2-3. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 3.5-5. Indumentum Presence hairy, Type with simple hairs. Corolla Colour patterning uniformly coloured (?) or multicoloured (?), Colour (when uniformly coloured) yellow (?), pink (?), purple (?), white (?), mauve (?), blue (?), green (?), red (?) or orange (?), Colour (when multicoloured - choose one colour) yellow (?), pink (?), red (?), orange (?), green (?), brown (?), black (?), purple (?), white (?), blue (?) or cream (?), Colour (when multicoloured - choose a second colour) yellow (?), pink (?), red (?), orange (?), green (?), brown (?), black (?), purple (?), white (?), blue (?) or cream (?), Petal claws ( the narrow base of the petals present (?) or absent (?). Length Corolla length NaN (?). Indumentum Presence absent (?) or present (?). Standard Indumentum hairy at least in part (?) or glabrous (?), Auricles auriculate (?) or not auriculate (?). Length Standard length NaN (?). Wings Auricles auriculate. Length Wing length 5.5-6. Keel Auricles auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 5-6. 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 Eremaean, IBRA Bioregion Murchison. Conservation Code Priority Three (P3).