Seeds of South Australia
Correa decumbens (Rutaceae)
Spreading Correa
List of species for Correa
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Seed collecting:
January to March
Herbarium regions:
Southern Lofty, Kangaroo Island
NRM regions:
Adelaide and Mount Lofty Ranges, Kangaroo Island
IBRA regions
Kangaroo Island (KAN01)Kanmantoo
 Least Concern   [salinity a threat ]
Mount Lofty Ranges (FLB01)Flinders Lofty Block
 Rare   (IUCN: RA d(i,ii))   [localised around Mt Bold, Mt George, Onkaparinga; regenerates after fire]
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 Correa]
Name derivation:
Correa named after Jose Francisco Correa de Serra (1751-1823), a Portuguese botanist. Decumbens from Latin meaning prostrate on the earth with the tips turning up; referring to the decumbent leaves and flower spike.
Distribution:
Endemic to South Australia and found in the southern Mount Lofty Ranges and on Kangaroo Island, growing in open scrub dominated by Eucalyptus cladocalyx on Kangaroo Island and in stringbark In the Mt Lofty Ranges.
Status:
Native. Uncommon in South Australia.
Plant description:
Low erect shrub to 1 m high with a reddish-brown hairs on young branches. Leaves narrowly elliptic-oblong, to 5 cm long and 1 cm wide, dark-green, glabrous above and hairy reddish-brown on the lower surface. Inflorescence solitary more or less erect on short axillary branchlets, with an erect narrow tubular pink-red with yellow-green tips flower. Flowering between November and February.
Fruit type:
Brown capsule to 10 mm long, enclose by the sepals.
Embryo type:
Linear fully developed.
Seed collecting:
Collect mature capsules, those that are turning a pale straw colour and contain hard seeds, either by hands or place small breathable bags over immature capsules to collect seed. Capsules maybe hard to see as it is enclose by the sepals.
Seed cleaning:
Place the capsules in a tray and leave to dry for a weeks. Then rub the capsules gently by hand to dislodge the seeds. Be very careful as the seed coat is thin and easily damaged. 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 morphophysiological dormancy and can be difficult to germinate.