Seeds of South Australia
Leucopogon costatus (Epacridaceae)
Twiggy Beard-heath
List of species for Leucopogon
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Seed collecting:
September to December
Herbarium regions:
Murray, Southern Lofty, Kangaroo Island, South Eastern
NRM regions:
Adelaide and Mount Lofty Ranges, Kangaroo Island, South Australian Murray-Darling Basin, South East
IBRA regions
Bridgewater (NCP01)Naracoorte Coastal Plain
 Rare   (IUCN: RA d(i,ii))   [edge of range]
Lucindale (NCP03) 
 Rare   (IUCN: RA d(ii))
Tintinara (NCP04) 
 Least Concern
Kangaroo Island (KAN01)Kanmantoo
 Least Concern
Murray Mallee (MDD02)Murray Darling Depression
 Rare   (IUCN: RA d(i,ii))   [edge of range]
Murray Lakes and Coorong (MDD03) 
 Vulnerable   (IUCN: VU B2ab(i,ii,iii))   (Probable Decline)
Lowan Mallee (MDD04) 
 Least Concern
Wimmera (MDD05) 
 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 Leucopogon]
Name derivation:
Leucopogon from the Greek 'leukoni' meaning white and 'pogon' meaning beard; alluding to the white-bearded corolla lobes. Costatus from the Latin 'costa' meaning rib; possibly referring to the prominent nerves on the underside of the leaves.
Distribution:
Found on Kangaroo Island, southern Mount Lofty Ranges and the upper South-east in South Australia, growing in mallee and banksia scrub and in mallee heathland on sandy soil or on ironstone rubble. Also found in Victoria.
Status:
Native. Common in South Australia. Uncommon in Victoria.
Plant description:
Slender, erect or straggling shrub to 70 cm high. Leaves erect, stem-clasping at the base, spreading or recurred at the apex, ovate, to 5 mm long and 3.2 mm wide, apex taping into a thicken blunt point, margins sometimes incurved, densely hairy, lamina thin, concave, surfaces glabrous, below with conspicuous veins. Inflorescence spikes to 6 mm long at the terminal and in the uppermost axils, solitary or in dense clusters with 1-4 white tubular densely bearded flowers, pink in bud. Flowering between July and October.
Fruit type:
Flatted sphere to 1.3 mm long and 2 mm wide, ridged.
Embryo type:
Linear under-developed.
Seed collecting:
Collect berries that are white with a hard seed.
Seed cleaning:
Place the berries in a bucket of water and leave to soak over night. Rub the flesh off by hand. Drain and wash again if required to remove all the fleshy parts. Then spread the wet seeds onto paper towels and leave to dry. 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 morphophysiological dormancy and is difficult to germinate.