Common name: Crested Sun Orchid
Thelymitra irregularis Nicholls APNI* Synonyms: Thelymitra irregularis Nicholls APNI*
Description: Terrestrial herb.
Leaf lanceolate, to 20 cm long and 8 mm wide, thin, ribbed, dark green.
Inflorescence to 40 cm high, 2–7-flowered. Perianth segments ca 10 mm long, ca 7 mm wide, pink with darker spots. Column to 7 mm long, pinkish white. Midlobe with dense, flattened, overlapping rows of toothy yellow calli subtended by a blackish band; accessory lobes thin, low to obscure (often hidden under lateral arm fan), often ending in a sharp, jagged fang. Lateral arms short, broad, fleshy, the marginal teeth and coarse hairs, hairs intergrading forming a dense, yellow, fan.
Flowering: September–November
Distribution and occurrence: Grows in heath and sclerophyll forest; south from Sydney
NSW subdivisions: CC, NC
Text by P. Bernhardt
Taxon concept: Flora of NSW 4 (1993)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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