Acantholimon (Boissier, 1846)

Özüdoğru, Bariş & Özgişi, Kurtuluş, 2022, Acantholimon akaydinii (Plumbaginaceae), a new species of A. section Staticopsis from Eastern Anatolia, Phytotaxa 539 (3), pp. 265-272 : 269-270

A revised key to Acantholimon species with spike laxly distichous and scapes much longer than leaves in Turkey after Akaydın (2018).

1. Calyx veins bright purple, contrasting with limb; inner bracts hairy at least on veins ........................................ A. caryophyllaceum

1. Calyx veins bright pink, not contrasting with limb; inner bracts glabrous ........................................................................................2

2. Outer bract longer than inner bracts .................................................................................................................................. A. iconicum

2. Outer bract equalling or shorter than inner bracts ..............................................................................................................................3

3. Rachis flexuous; outer bract equalling with inner bracts ................................................................................................... A. kotschyi

3. Rachis straight; outer bract shorter than inner bracts .........................................................................................................................4

4. Scape branched...................................................................................................................................................................................5

4. Scape simple.......................................................................................................................................................................................6

5. Scape 1–2 branched, 6–12 mm long, with scales 7–9 mm long; calyx 10–11 mm; petals white .................................... A. ibrahimii

5. Scape 2–5 branched, 14–24 mm long, with scales 4–6 mm long; calyx 8–8.5 mm; petals pink..................................... A. akaydinii

6. Scape 15–25 cm long, with 3–4 scales; calyx 12–14 mm; outer bract 7–8 mm .............................................................. A. acerosum

6. Scape 6–12 cm long, with 4–8 scales; calyx 10–12 mm; outer bract 5–6 mm ..................................................................... A. davisii