Common name: Burr Stickseed
Omphalolappula concava (F.Muell.) Brand APNI*
Synonyms: Echinospermum concavum F.Muell. APNI*
Description: Erect to spreading annual herb, stems 15–35 cm high from a basal rosette, covered with ± appressed hairs.
Leaves narrow-obovate to oblong, 1–4 cm long, 3–6 mm wide, apex obtuse to acute, ± appressed hairy; ± sessile, basal leaves with a short sheath.
Sepals narrow-elliptic to lanceolate, 2–3 mm long. Corolla blue, tube 2–3 mm long. Body of mericarp ovate, the outer face papillose, the margin expanded to produce a number of narrow-triangular barbed spines.
Distribution and occurrence: chiefly in inland districts.
Grows in shrubland or sclerophyll forest.
NSW subdivisions: NC, NWS, CWS, NWP, SWP, NFWP, SFWP
Other Australian states: Qld Vic. W.A. S.A. N.T.
Text by Peter G. Wilson
Taxon concept: Flora of NSW 3 (1992)
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.