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Crotalaria mysorensis Roth

Reference
Nov.Pl.Sp. 338 (1821)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Perennial, herb (or sub-shrub), to 1.5 m high. Fl. yellow, Feb to Jun. Clay loam, scree, laterite, dolerite, sandstone, basalt. Near creeks and rivers.

Amanda Spooner, Descriptive Catalogue, 25 May 2003

Scientific Description

Genus Crotalaria. Form erect. Habit 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, Position alternate, Leaves simple, Leaves or phylloclade continuous with stem not continuous with stem, Cross section of leaf or leaflet flat with flat margins, Margins of leaf or leaflet entire, Tuberculate tuberculate (?) or tubercles absent (?), Pustules or glands present (?) or absent (?). Length Leaf length 25-60. Width (entire leaves only) Leaf width 4-15. Scale leaves length mm long NaN (?). Indumentum Presence hairy (?) or glabrous (?), Type simple (?) or gland-tipped (?). 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 (?), absent (?) or present but early deciduous (?), Indumentum hairy (?) or glabrous (?), Striation striate (?) or not striate (?). Length Bracteole length NaN (?). Pedicel Presence present (?) or absent (flowers sessile) (?), Indumentum hairy (?) or glabrous (?). Length Pedicel length NaN (?). Calyx Pustules or glands present (?) or absent (?), Ribs ribbed (?) or ribless (?), Enlarged in fruit accrescent (enlarged in fruit) (?) or not accrescent (?). Length Calyx length NaN (?). Indumentum Presence hairy (?) or glabrous (?), Type with simple hairs (?) or with glandular hairs (?). Corolla Colour patterning uniformly coloured, Colour (when uniformly coloured) yellow, 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 (?) or not auriculate (?). Length Wing length NaN (?). Keel Auricles auriculate (?) or not auriculate (?), Indumentum hairy at least in part (?) or glabrous (?), Beak beaked (?) or 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 united in an open sheath. 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 flat or compressed (?) or round in cross-section (?), Placement stipitate, Beak not beaked. Length Fruit length 28-34. Width Fruit width 16-20. Indumentum Presence glabrous. Flowering time February, March, April, May or June. Distribution Botanical Province Northern, IBRA Bioregion Northern Kimberley, Central Kimberley or Dampierland.

C. Hollister and K.R. Thiele, 17 April 2024

Distribution

IBRA Regions
Central Kimberley, Dampierland, Northern Kimberley.
IBRA Subregions
Fitzroy Trough, Mitchell, Mount Eliza, Pentecost.
Local Government Areas (LGAs)
Derby-West Kimberley, Wyndham-East Kimberley.