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Electronic Flora of South Australia species Fact Sheet

Family: Compositae
Leptorhynchos scabrus

Citation: Haegi, comb. nov.

Synonymy: Rhytidanthe scabra Benth. in Endl., Enum. Pl. Hügel 63 (1837); L. medius Cunn. ex DC., Prod. 6:160 (1838); L. rhytidanthe DC., Prod. 6:679 (1838); L. elongatus DC. var. peduncularis Benth., Fl. Aust. 3:610 (1867).

Common name: None

Description:
Annual herb to 20 cm tall; stems erect to ascending, usually sparingly branched, sparsely to moderately pubescent with short septate non-glandular and minute glandular hairs; leaves oblanceolate-linear, with recurved margins, acute to apiculate apex and a sessile base, mostly 1-2 cm long, 1-3 mm wide, pubescent like the stems.

Peduncles 10-15 cm long, terminating leafy branchlets 2-4 cm long; capitula campanulate, 10-17 mm long; involucral bracts extending down the peduncle; outer bracts ovate to lanceolate, acute, colourless, scarious, almost transparent, pubescent with sessile glandular hairs, with a shallowly laciniate margin, and a herbaceous base; innermost bracts oblong-linear, herbaceous, pubescent on the midrib with stalked glandular hairs and elsewhere with sessile ones, with scarious margins and short oblong to lanceolate scarious tips, golden-brown except at the base where streaked dark-brown; florets bright-yellow.

Achenes fusiform, papillose, narrowed abruptly into a slender beak, glabrous in its upper half and as long as to twice as long as the achene; pappus bristles three-quarters as long as the florets, 30-40, evenly barbellate.

Distribution:  Widespread, in various situations; apparently rare.

  W.Aust.; N.S.W.; Vic.

Conservation status: native

Flowering time: Aug. — Nov.


SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia

Biology: Closely resembles L. elongatus but that species is a perennial, has pale-yellow or creamy-white flowers and achenes gradually tapered into an obscure papillose beak.

Author: Not yet available


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