Ranunculaceae

D. cyphoplectrum Boiss., Diagn. ser. 1(6): 7 (1845).
Slender perennial, 25-60 cm, upper part of stem crisply puberulent, glandular-pubescent or glabrous. Stem flexuose, terete, striate. Median cauline leaves long-petioled with narrowly vaginate bases, 3-10 cm across, multisect into linear laciniae. Raceme linear, lax, 2-3.5 cm broad. Bracts linear-lanceolate, much shorter than pedicels; bracteoles similar, attached near base of pedicels, rarely median. Flowers varying from deep violet-blue to dirty white, 16-24 mm; sepals widely spreading; petals ± exserted; spur about as long as sepals, tapering and subacute or ± cylindrical, obtuse or subsaccate. Follicles pubescent or glabrous. Three varieties can be provisionally recognised in Turkey:
1. Inflorescence crisped-puberulent; spur tapering, subacute; flowers 16-20 mm, dusky violet var. stenophyllum
1. Inflorescence glandular-pubescent or glabrous; spur ± cylindrical, obtuse or subsaccate; flowers 20-24 mm
2. Flowers deep violet-blue; laciniae of median leaves less than 1 mm broad var. vanense
2. Flowers whitish; laciniae of median leaves broader var. pallidiflorum
var. vanense (Rech. fil.) Davis in Notes R.B.G. Edinb. 26: 171 (1965). Syn: D. vanense Rech. fil. in Symb. Bot. Upsal. 9(5): 8 (1952)! Fl. 6-7. Rocky slopes and scree, 1900-2900 m.
Type: [Turkey B9 Van] Olsus am Van-see, 20 km O.S.O. von Tatvan, 1900 m, Frödin 328 (holo. U!).
Kurdistan. B9 Van: Artos Da., 2900 m, D. 22753! Bitlis/Van: mt. 10 km SE of Pelli, 2600 m, D. 22542!
Endemic.