Cleome Roalson, 2021, s.s.

Key to Cleome s.s. 1. Leaves compound, 3-foliolate...........................................................................................................................................................2. 1. Leaves simple..................................................................................................................................................................................16. 2. Fruits> 4 mm wide; seeds villous......................................................................................................................................................3. 2. Fruits <4 mm wide; seeds villous or papillate...................................................................................................................................5. 3. Fruits pendulous................................................................................................................................................................................4. 3. Fruits erect to erect-spreading........................................................................................................ C. socotrana Balfour (1882: 501) 4. Petals 3–4 mm long; fruits oblong............................................................................................ C. amblyocarpa Barratte & Murbeck 4. Petals 4–8 mm long; fruits linear................................................................................. C. ramosissima Parlatore ex Webb (1854: 22) 5. Seeds villous (sometimes pubescence very short).............................................................................................................................6. 5. Seeds papillate...................................................................................................................................................................................8. 6. Fruits pendulous........................................................................................................................... C. ramosissima Parlatore ex Webb 6. Fruits erect to erect-spreading...........................................................................................................................................................7. 7. Leaves glaucous (usually also with noticeable glands, at least along margin); pedicels glabrous; petals 3–4 mm long; seeds with long hairs.............................................................................................. C. omanensis (Chamberlain & Lamond) Thulin (2003: 217) 7. Leaves green (not glaucous); pedicels glandular; petals ca. 5 mm long; seeds with short hairs, often with glabrous patches.............................................................................................................................................................. C. hadramautica Thulin (2003: 216) 8. Fruits linear, very long, reaching 11 cm; upper petals white (or slightly yellowish) on upper half, clearly differentiated by coloration from lateral petals; veins clearly evident on petals............................................................................................ C. violacea Linnaeus 8. Fruits linear, but no more than 4 cm long; petals white or yellow to pink or purple, but all petals of similar coloration; veins evident or not on petals..................................................................................................................................................................................9. 9. Petal blades obovate to oblong with a distinct narrowly linear claw..............................................................................................10. 9. Petal blades spatulate to linear, but without a distinct narrowly linear claw...................................................................................12. 10. Fruits spreading; gynophore 2.5–10 mm long; sepals triangular-lanceolate; glabrous or with few glands................................................................................................................................................................................................................. C. stevensiana Schultes 10. Fruits pendulous; gynophore 0.5–2(– 3 mm) long; sepals lanceolate or oblong; variable in the presence of glands......................11. 11. Sepals lanceolate, acuminate; ± densely clothed with glands.............................................................. C. ornithopodioides Linnaeus 11. Sepals oblong, obtuse, or acuminate; glabrous or with few glands...................................................................... C. iberica Candolle 12. Leaflets linear to narrow linear-elliptic.................................................................................................. C. ariana Hedge & Lamond 12. Leaflets obovate to broadly elliptic to +/- circular..........................................................................................................................13. 13. Style up to 0.5 mm long; sepals c. 1 mm long........................................................... C. khorassanica Bunge & Bienert ex Boissier 13. Style 1.5–5 mm long; sepals 3–4 mm long.....................................................................................................................................14. 14. Fruits 10–17 mm long........................................................................................................................................ C. foliolosa Candolle 14. Fruits (20–) 28–40 mm long.............................................................................................................................................................15. 15. Annual; upper leaves 3-foliolate; style in fruit (1.5–) 3–5 mm long................................ C. heratensis Bunge & Bienert ex Boissier 15. Perennial, small shrub; upper leaves often unifoliate; style in fruit