Onosma albo-roseum subsp. albo-roseum Fisch. & Mey., 1839
Savaşan, Halfeti, ŞANLIURFA ● Turkey
Description: Onosma albo-roseum is a perennial plant. Stems 10-20(-25) cm, usually simple, erect or ascending, patent to adpressed-setose and shortly adpressed-hairy. Leaves 25-60 x 6-12(-15) mm, obovate to oblong or lanceolate-spathulate, obtuse to acute, whitish with very dense usually adpressed (rarely patent) setae and shortly hairy; basal and lower cauline shortly petiolate, greenish, sometimes less densely setose and hairy than upper cauline. Inflorescence of 1 or more cymes, congested in flower. Bracts lanceolate-cordate to lanceolate. Pedicels 1-3 mm. Calyx 14-16 mm, usually scarcely accrescent in fruit, lobes linear-lanceolate, densely hairy, hairs patent near base, adpressed towards apex. Corolla whitish at first, becoming pink or purple and finally bluish-violet or intense purple, 18-30 mm, clavate-campanulate. Anthers included or with sterile tips exserted, free, shorter than filaments.
There is two subspecies:
• O. albo-roseumsubsp. albo-roseum – Corolla shortly hairy, becoming bluish-violet with age, quite broadly campanulate
- O. albo-roseumsubsp. albo-roseum var. albo-roseum – Nutlets 6-7 x 3-4 mm, not angulate, smooth
- O. albo-roseumsubsp. albo-roseum var. macrocarpum – Nutlets 8x6 mm, angulate, obsoletely rugose
• O. albo-roseumsubsp. sanguinolentum – Corolla glabrous, becoming intense purple with age, ± narrowly cylindrical.
Biology: Flowering from April to July. The species is extremely variable in nearly all its characters; the three taxa distinguished above are not very clearly delimited.
Habitat: Rocky limestone slopes and cliffs, 180-2250 m.
Distribution: Turkey (Inner and adjacent S. Anatolia), N. Syria, N. Iraq. Ir.-Tur. element.
The Flora of Van Lake Basin