National recovery plan for the Endangered Osborn's Eyebright
(Euphrasia collina subsp. osbornii) Department for Environment
and Heritage, South Australia - National recovery plan for the
Endangered Osborn's Eyebright (Euphrasia collina subsp.
osbornii) (PDF - 1,200 KB) | (RTF - 4,523 KB) Euphrasia collina
subsp. osbornii (Osborn's Eyebright) is a South Australian
endemic plant. It is an erect, perennial, partly parasitic herb,
25 to 47 cm high (Barker, 1982), characterised by decussate
leaves that are thick, fleshy and pale green. The leaves have
1-8, usually 3-6, pairs of blunt teeth along margins and are
covered with glandular hairs (Barker, 1982). The flowers vary
from white to pink or lavender and paler inside (Jessop and
Toelken, 1986; Barker, 1982). The corolla is bilabiate with a
tube, a hooded upper lip and a three lobed spreading lower lip
(Jessop and Toelken, 1986). A yellow spot is sometimes found
behind the lowest lobe (Barker, 1982). The lobes are pubescent
over all but the tips (Jessop and Toelk