Chorizema nervosum T.Moore

Scientific Description

Genus Chorizema. Form erect or prostrate,spreading or scrambling. 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 spiny at least in part. 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 7-12. Width (entire leaves only) Leaf width 9-10. Scale leaves length mm long NaN (?). Indumentum Presence hairy, Type simple. Stipules Presence apparently absent even from the youngest leaves (?), present and persistent to older leaves (?) or 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 or present but early deciduous, Indumentum hairy, Striation not striate. Length Bracteole length 1. Pedicel Presence present, Indumentum hairy. Length Pedicel length 3-3.2. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 4-4.2. 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 present. Length Corolla length 7-9. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 8-8.7. Wings Auricles not auriculate. Length Wing length 5.5-6. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 4-5. Stamens Number ten. Anthers anther length 0.4, Position at two different levels (filaments alternately long and short). Filaments Fusion free (or united at the very base). Length Filament length 3-5. Ovary Placement stipitate (?) or 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 4. 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 10-13. Width Fruit width 5-7. Indumentum Presence hairy, Indumentum type with simple hairs. Flowering time July, August or September. Distribution Botanical Province South-West, IBRA Bioregion Mallee or Esperance.