Seeds of South Australia
Leucopogon ericoides (Epacridaceae)
Pink Beard-heath
List of species for Leucopogon
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Seed collecting:
October to December
Herbarium region:
South Eastern
NRM region:
South East
IBRA regions
Mount Gambier (SVP02)Southern Volcanic Plain
 Least Concern
Bridgewater (NCP01)Naracoorte Coastal Plain
 Rare   (IUCN: RA d(ii))   [limited habitat; edge of range]
Glenelg Plain (NCP02) 
 Least Concern   [stronghold]
Lucindale (NCP03) 
 Least Concern   [stronghold]
Lowan Mallee (MDD04)Murray Darling Depression
 Least Concern
Wimmera (MDD05) 
 Rare   (IUCN: RA d(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. Ericoides from Greek meaning heath-like; possibly referring to the resemblance to plants in the genus Erica.
Distribution:
Found in the South-east in South Australia, growing on sandy loams or on white sand in heathland and dry sclerophyll forest.  Also found in New South Wales, Victoria and Tasmania.
Status:
Native. Common in South Australia. Common in the other states.
Plant description:
Slender shrub 100 cm hig with hairy branches. Leaves spreading to suberect, oblong to elliptic, to 15 mm long and 2.5 mm wide, convex, glabrous, hairy above and below, margins entire, often strongly recurved, apex obtuse or acute. Inflorescence in axillary spikes to 9 mm long with 2-8 white or pale pink (pink in bud) densely bearded flowers. Flowering between August and November.
Fruit type:
Asymmetric ovoid fruit to 5.7 mm long and 2. mm wide, sparsely hairy with soft woody endocarp containing 4 to 5 locules that may be filled with seed.
Seed type:
Soft, white longitudinal seed.
Embryo type:
Linear underdeveloped.
Seed collecting:
Collect fruits by hand when ripe, check to see if locules are filled with 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 viability:
Seed viability can vary. From two collections, the seed viability were average, ranging from 50% to 80%.
Seed germination:
Seeds have morphophysiological dormancy and will not germinate readily without treatment. Germination is enhanced by treating with fire cues, heat and smoke water, and gibberellic acid.
Germination table:
DateResultT0T50Pre-treatment | Germination medium | Incubator: Photoperiod / Thermoperiod
Aug-1334%49 dNA 30% hydrogen peroxide 20 min, water rinse, 1000 mg/L gibberellic acid 3 d, 10% smoke water 24 h;
moist sand;
Incubated under spring/autumn conditions
Aug-1330%70 dNA 30% hydrogen peroxide 20 min, water rinse, leached in water 14 d, 1000 mg/L gibberellic acid 3 d;
moist sand;
Incubated under spring/autumn conditions
Aug-1330%56 dNA dry heat 100°C oven 2 min, 30% hydrogen peroxide, water rinse, 1000 mg/L gibberellic acid 3 d;
moist sand;
Incubated under spring/autumn conditions
Aug-1316%70 dNA 30% hydrogen peroxide 20 min, water rinse, 1000 mg/L gibberellic acid 3 d;
moist sand;
Incubated under spring/autumn conditions
Jun-1412%63 dNA 30% hydrogen peroxide 15 min, water rinse, 1000 mg/L gibberellic acid 48 h;
filter paper over moist sand;
Incubated under winter conditions
Jun-146%63 dNA 30% hydrogen peroxide 15 min, water rinse, 1000 mg/L gibberellic acid + 10% smoke water 48 h;
filter paper over moist sand;
Incubated under winter conditions
Jun-146%63 dNA dry heat 90°C oven 15 min, 30% hydrogen peroxide 15 min, water rinse, 1000 mg/L gibberellic acid + 10% smoke water 48 h;
filter paper over moist sand;
Incubated under winter conditions
Aug-132%112 dNA 30% hydrogen peroxide 20 min, water rinse,
moist sand;
Incubated under spring/autumn conditions
Jun-141%70 dNA dry heat 90°C oven 15 min, 30% hydrogen peroxide 15 min, water rinse, 10% smoke water 48 h;
filter paper over moist sand;
Incubated under winter conditions
Jun-141%105 dNA dry heat 90°C oven 15 min, 30% hydrogen peroxide 15 min, water rinse, 10% smoke water 48 h, leached in water 6 d;
filter paper over moist sand;
Incubated under winter conditions
Jun-140%NANA 30% hydrogen peroxide 15 min, water rinse;
filter paper over moist sand;
Incubated under winter conditions
Result: Maximum percentage of germination observed.
T0: Number of days before first germinant observed.
T50: Number of days to achieve 50% germination.
Pre-treatment: The initial treatment that the seeds received prior to placement on germination media.
Germination medium: The substrate that seeds were placed on for the duration of the germination experiment.
Incubator conditions:
Photoperiod: The duration of light exposure that the seeds were subject to during a 24 hour period.
Thermoperiod: The constant or diurnal temperatures that seeds were subject to during a 24 hour period.
Winter conditions: 15°C 20 h (3am→11pm); 5°C 4 h (11pm→3am) / 10 h light (8am→6pm); 14 h dark (6pm→8am)
Spring/Autumn conditions: 22°C 12 h (8am→8pm); 10°C 12 h (8pm→8am) / 12 h light (8am→8pm); 12 h dark (8pm→8am)
Summer conditions: 30°C 14 h (6am→8pm); 15°C 10 h (8pm→6am) / 14 h light (6am→8pm); 10 h dark (8pm→6am)