Conringia orientalis(L.) Dumort. - Hare's-Ear-Mustard
Annual, 19−60 cm, usually unbranched. Basal leaves obovate, subsessile. Stem leaves 2−6 cm, oblong-elliptic, apex slightly emarginate or entire, cordate, amplexicaul at base, often tinged violet. Pedicels 4−15 mm, erect-spreading. Outer sepals linear, inner larger, oblong-saccate. Petals 8−12 × 4 mm, pale creamy-white, obovate, gradually narrowed into the claw. Stamens ± equal. Stigma capitate. Siliquae usually irregularly spreading, tetragonous, straight or curved, 6−9 cm × 1−2.5 mm, shortly beaked; valves clearly 1-nerved. Seeds darkish-brown, papillose. Cotyledons incumbent.
Flowering time: March−May.
Habitat: Cultivated ground, waste places, 50−2000 m.
Hedge IC (1965). Conringia orientalis (L.) Andrz., In: Davis PH (ed.), Flora of Turkey and the East Aegean Islands, Edinburgh University Press, Edinburgh, 1: 276−277.
Conringia orientalis, known as “hare's-ear-mustard”, is native to Eurasia, but it is known elsewhere as an introduced species and sometimes a noxious weed. It is an annual herb with pale creamy-white flowers, and grows up to 60 cm in length. It blooms between March and May and is found in cultivated ground and waste places. This plant may cause toxic effects for livestock.
Anonymous (2015). https://en.wikipedia.org/wiki/Conringia_orientalis, Accessed date: 28.12.2015.
Mutlu B (2012). Conringia Heist. ex Fabr., In: Güner, A., Aslan, S., Ekim, T., Vural, M. & Babaç, M.T. (eds.), Türkiye Bitkileri Listesi (Damarlı Bitkiler). Nezahat Gökyiğit Botanik Bahçesi ve Flora Araştırmaları Derneği Yayını. İstanbul, pp. 264−266.