Seeds of South Australia
Pultenaea elachista (Leguminosae)
Limestone Bush-pea
List of species for Pultenaea
Display more images
Click on an image to enlarge it
Seed collecting:
October to January
Herbarium regions:
Nullarbor, Eyre Peninsula, Kangaroo Island
NRM regions:
Alinytjara Wilurara, Eyre Peninsula, Kangaroo Island
IBRA regions
Kangaroo Island (KAN01)Kanmantoo
 Regionally Extinct   [very old record, specimen is good; presumed extinct]
Eyre Hills (EYB03)Eyre Yorke Block
 Rare   (IUCN: RA d(i,ii))
Talia (EYB04) 
 Least Concern
Eyre Mallee (EYB05) 
 Least Concern
Yellabinna (GVD06)Great Victoria Desert
 Least Concern
Yalata (NUL03)Nullarbor
 Rare   (IUCN: RA d(i,ii))
Hampton (HAM01)Hampton
 Rare   (IUCN: RA d(i,ii))
RSCA map:
Regional Species Conservation Assessments per IBRA subregion. Please click the thumbnail map.
AVH map:
Australian distribution map (external link)
SA Census:
Census of South Australian plants (external link)     [genus Pultenaea]
Name derivation:
Pultenaea named after Richard Pulteney (1730 – 1801), an English physician, botanist and biographer of Carl Linnaeus. Elechista from the Greek 'elachys; meaning small, possibly referring to the species small habit.
Distribution:
Found on the western Eyre Peninsula and the far west Nullabor in South Australia, with an old record from Kangaroo Island, growing on plains to gentle slopes and coastal scarp in shrubland and woodland. Also found in Western Australia.
Status:
Native. Common in South Australia. Common in Western Australia.
Plant description:
Small prostrate, decumbent or erect shrub 50 cm tall with curly hairs on branchlets and young leaves. L eaves mostly opposite, decussate, crowded, rigid, oblong-ovate to 5 mm long 4 mm wide, convex by revolute margins, becoming glabrous above, densely hairy with curly hairs beneath. Inflorescence in leave axil at terminal of stems with yellow pea-flowers. Flowering between July to December.
Fruit type:
Hairy brown ovoid pod.
Embryo type:
Bent.
Seed collecting:
Collect maturing pods, those that are brown or turning brown and contain hard black seeds inside. 
Seed cleaning:
Place the pods in a paper bag and leave to dry for one to two weeks. Then rub the pods with a rubber bung to dislodge the seeds. Use a sieve to separate the unwanted material. Store the seeds with a desiccant such as dried silica beads or dry rice, in an air tight container in a cool and dry place.
Seed germination:
This species has physical dormancy that needs to be overcome for the seed to germinate. The seed coat needs to be ruptured so that water can enter the seed before germination can occur. Methods to rupture the seed coat include scarification with sand paper or nicking the seed coat with a sharp blade or hot water treatment by immersion in boiling water.