Seeds of South Australia
Abutilon macrum (Malvaceae)
Slender Lantern-bush
List of species for Abutilon
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Seed collecting:
October to December
Herbarium regions:
North Western, Lake Eyre, Gairdner-Torrens
NRM regions:
Alinytjara Wilurara, South Australian Arid Lands
IBRA regions
Northern Flinders (FLB05)Flinders Lofty Block
 Rare   (IUCN: RA d(i,ii))   [outlier]
Kingoonya (GAW05)Gawler
 Rare   (IUCN: RA d(ii))
Kintore (GVD04)Great Victoria Desert
 Near Threatened   [limited habitat]
Tallaringa (GVD05) 
 Rare   (IUCN: RA d(i,ii))
Breakaways (STP01)Stony Plains
 Rare   (IUCN: RA d(ii))
Oodnadatta (STP02) 
 Rare   (IUCN: RA d(ii))   [edge of range]
Witjira (STP06) 
 Rare   (IUCN: RA d(ii))   [edge of range]
Mann-Musgrave Block (CER01)Central Ranges
 Least Concern
Everard Block (CER03) 
 Least Concern
Tieyon (FIN03)Finke
 Least Concern
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 Abutilon]
Name derivation:
Abutilon from the Arabic 'aubutilun' used for mallow-like plant and quoted by the Arabian physician Avicenna as belonging to this or some allied genus. Macrum  from the Latin 'macer' meaning lean, thin referring to its slender habit or narrow leaves.
Distribution:
Found scattered in the northern part of South Australia, growing on red gravelly or sandy soil in rocky or gravelly ranges, hills or rises, plains, intermittent watercourses and run-on areas. Also found in Western Australia, Northern Territory, Queensland and New South Wales.
Status:
Native. Common in South Australia. Common in the other states.
Plant description:
Erect slender shrub to 2 m high covered in short stellate hairs. Leaves on a short stalk, grey, narrow or broadly oblong to 2.5 cm long, hairy above and below, margin serrate. Inflorescence solitary on a long stalk with yellow-orange flower not much longer than the hairy calyx. Flowering between August and September.
Fruit type:
Hairy brown papery capsule to 6 mm diameter and 8 mm long with a truncate end and up to 10 segments, each containing 2 or 3 hairy seeds.
Embryo type:
Folded.
Seed collecting:
Collect mature capsules, those that are turning pale straw colour and contain dark hard seeds.
Seed cleaning:
Place the capsules in a tray and leave to dry for two weeks. Then rub the capsules gently by hand 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 (e.g. nicking or softening the seed coat).