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Electronic Flora of South Australia infraspecific Fact Sheet

Family: Scrophulariaceae
Euphrasia collina ssp. osbornii

Citation: W.R. Barker, J. Adelaide Bot. Gard. 5:218 (1982).

Synonymy: E. osbornii Du Rietz, Svensk Bot. Tidskr. 42:359 (1948), nom. illegit. , Euphrasia brownii, Euphrasia collina

Common name: None

Description:
Upper leaves and lowest bracts on main branches 5.5-12 rarely to 21 x 3-9 rarely to 11 mm, covered by glandular hairs, sometimes mixed with scabrous eglandular hairs, with 1-8 usually 3-6 pairs of teeth.

Calyx 4-7.5 mm long, externally glandular-hairy; corolla usually 13-17.5 rarely to 9.2 mm long along the upper side, white to pink or lavender, paler inside, sometimes with a yellow blotch behind the lowest lobe, externally pubescent over all but the tips of the lobes, the lower lobes usually emarginate, sometimes truncate or obtuse; anther cells 1.5-2.2 mm long excluding the awns, the rear awns 0.1-0.4 mm long.

Capsules 5.2-8 mm long, setose often almost to the base; seeds 0.5-0.8 mm long.

Published illustration: W. R. Barker (1982) J. Adelaide Bot. Gard. 5:figs 9, 48A-C, 73 & 74.

Distribution:  Now rare and endangered; mainly in sclerophyllous woodland, sometimes in sclerophyllous forest, with one population in swamp (Mt Compass, SL).

S.Aust.: EP, NL, YP, SL, KI, SE.

Flowering time: June, Aug. — Dec.

Biology: Corollas in Mt Lofty Range populations are predominantly off-white, sometimes pink-tinted; elsewhere they are lilac or purple with a whitish mouth. Yellow blotches only occur in the Mt Compass and Yumali populations.

Author: Not yet available


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