Onosma tauricaPall ex Willd. - Golden-flowered Onosma
Scientific Description:
Perennial, caespitose. Stems 12−25(−30) cm, usually simple, covered with quite long hairs usually arising from stellate-hairy tubercles, shortly hairy. Leaves adpressed-setose and shortly hairy, often whitish; basal 25−60 mm, gradually tapering into a rather long petiole; cauline linear-lanceolate to linear-oblong, obtuse, upper most sessile. Inflorescence of 1−2 terminal cymes, straightened and elongated in fruit. Bracts usually shorter than calyx. Pedicels 0–1.5 mm. Calyx 12−13 mm, scarcely accrescent in fruit, lobes linear, adpressed to subpatent setose. Corolla white, cream or yellow, 22−25 mm, campanulate, gradually tapering towards base, glabrous. Anthers included, much shorter than filaments. Nutlets c. 2.5 mm, bipyramidate, dorsal keel indistinct, with short acute beak, brownish.
Flowering time: March−June.
Habitat: Limestone screes, Quercus L. scrub, Pinus L. and Cedrus Trew. forest, rocky and sandy slopes, steppe, etc., 50−2400 m.
var. taurica
Basal leaves (2.5−)3−7 mm wide, spathulate to linear-lanceolate, acute; plant 12−25(−30) cm.
Reference:
Riedl H. (1978). Onosma tauricum Pallas ex WiIld., In: Davis PH (ed.), Flora of Turkey and the East Aegean Islands, Edinburgh University Press, Edinburgh, 6: 367.
Public Description:
Onosma taurica var. taurica, common name “golden-flowered onosma”, is native to Europe and Türkiye. It is a perennial herbaceous plant with pubescent leaves and white, cream or yellow flowers. In spring, limestone mountain peaks, oak bushes, pine and cedar forests, rocky and sandy slopes and step can be seen in flower.
References:
Anonymous 1 (2015). https://en.wikipedia.org/wiki/Onosma_taurica, Accessed date: 24.12.2015.
Binzet R (2012). Onosma L., 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. 234−240.