Leucanthemum ×superbum
(Bergmans ex J.W.Ingram) D.H.Kent Shasta DaisyErect, c. glabrous perennial 50–100 cm high, usually unbranched above rhizome. Leaves sessile, lanceolate to elliptic, 3–12 cm long, 5–25 mm wide, acute, base subamplexicaul, margins regularly serrate or serrulate to almost entire on upper leaves. Capitula usually solitary, 5–8 cm diam.; peduncles 5–15 cm long. Ray florets 20–40, white; disc florets numerous, bright yellow. Cypselas slightly dimorphic, 3–4 mm long; ray cypselas c. 10-ribbed with thickened lateral ribs; pappus an irregular corona; disc cypselas regularly 10-ribbed, lacking a pappus. Flowers mostly Dec.–Mar.
GleP, VVP, GipP, OtP, WaP, CVU, EGU, WPro, HSF, HNF, OtR, VAlp. An ornamental that occasionally persists as a garden-escape, particularly in moister, cooler areas.
An apparently stabilised complex hybrid between the European species L. vulgare Lam., L. lacustre Samp.,L. maximum DC. and Japanese Nipponanthemum nipponicum (Franch. ex Maxim.) Kitam.
Jeanes, J.A. (1999). Asteraceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 4, Cornaceae to Asteraceae, pp. 652–666. Inkata Press, Melbourne.
Spinning