Seeds of South Australia
Thelymitra batesii (Orchidaceae)
Bates Sun-orchid
List of species for Thelymitra
Click on an image to enlarge it
Seed collecting:
November to January
Herbarium regions:
Flinders Ranges, Northern Lofty, Southern Lofty
NRM regions:
Adelaide and Mount Lofty Ranges, Northern and Yorke, South Australian Arid Lands
IBRA regions
Fleurieu (KAN02)Kanmantoo
 Rare   (IUCN: RA d(i,ii))   [edge of range]
Mount Lofty Ranges (FLB01)Flinders Lofty Block
 Rare   (IUCN: RA d(ii))   [lots of NC records]
Broughton (FLB02) 
 Endangered   (IUCN: EN C2a(i))   [Should be records in Clare, not been data-based. Taxonomic Issue, spp undescibed within it.]
Southern Flinders (FLB04) 
 Rare   (IUCN: RA a)   [Newly described spp.]
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 Thelymitra]
Name derivation:
Thelymitra from Greek 'thelys' meaning a bishop and 'mitra' meaning a headwear, hat, hence a bishop’s mitre, referring to the sometimes plumed or decorated wings of the column, which is usually produced behind and over the anther in a hood-like projection. Batesii named after Robert (Bob) J. Bates (1946-), a South Australian field naturalist and an orchid enthusiast with enormous knowledge of Australian orchids, particularly those in South Australia.
Distribution:
Endemic to South Australia and found in the southern Flinders Ranges and the Mount Lofty Ranges, growing in heathy woodlands and heathy open forest on sandy and gravelly clay loam soils.
Status:
Native. Rare in South Australia.
Plant description:
Terrestrial orchid with narrow linear to linear-lanceolate leaves, to 30 cm long and 11 mm wide, erect, fleshy, dark green with a purplish base. Flowering spike slender, straight, green to purplish, to 45 cm high with 2-8 mauve or bluish purple inside and pinkish with dark stripes outside flowers. Flowering between late September and early November.
Fruit type:
Brown papery obovoid capsule to 18 mm long and 7 mm wide, ribbed.
Seed collecting:
Collect fat capsules as they start to dry and turn brown. Pods will split and release the seeds quickly and will require monitoring. To increase the chances of collecting mature pods, it is recommended that a small breathable bag (ie. Organza bags) be used to enclose the developing capsules.
Seed cleaning:
Place the capsules in a container that will hold fine seeds and leave to dry for a few weeks or until the capsule split. Then carefully hold the capsule and tap it gently to release the seeds. 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 or in liquid nitrogen.