Erysimum hezarense Moazzeni, 2014

Moazzeni, Hamid, Zarre, Shahin, Assadi, Mostafa, Joharchi, Mohammad Reza & German, Dmitry A., 2014, Erysimum hezarense, a new species and Rhammatophyllum gaudanense, a new record of Brassicaceae from Iran, Phytotaxa 175 (5), pp. 241-248 : 242-243

Erysimum hezarense Moazzeni , sp. nov. ( Fig. 1 )

TYPE: IRAN. Kerman, Rayen, Bab-Zangi village in foothills of Hezar mount. 29° 33’ 52” N, 57° 24’ 55” E. 3700 m, 17 July 2010 , H. Moazzeni & A. Pirani, 45200 (holotype TUH!, isotypes FUMH!, GB!, TARI!, TUH!) .

Plants biennial or rarely annual. Stems erect to ascending, (15)20–35(45) cm high, usually with several branches at the base, trichomes on stems 2–(3)–((4))-rayed. Leaves covered with 2–3–(4–5)-rayed trichomes, predominantly or exclusively basal. Basal leaves spatulate, keeled, (15)25–40(55) × (2)3–5(8) mm, acute (rarely round) at apex, attenuate at base. Cauline leaves, if present, up to 4, sessile, linear to oblanceolate, entire, (10)30–35 × 3–4 mm, acute at apex, attenuate at base. Inflorescence (15)25–35-flowered, ebracteate raceme, considerably elongated in fruit. Fruiting pedicels horizontal or descending (angle 90–120 degrees) to reflexed (angle 140–160 degrees), (1.5)3–5(8) mm, with 2–3–(4)–((5))-rayed trichomes. Sepals oblong, dark green to lilac, 6–8 mm long, pubescent as pedicels. Petals yellow turning bicolor (yellow at the top and purple proximally), withering purple, 8–10(11.5) × (1.5)2–2.5(3) mm, glabrous or rarely with 2–3–4-rayed trichomes outside. Fruits dehiscent siliques (25)50–60(80) × 0.5–1 mm, terete, horizontal to deflexed, densely covered with ((2))–3–4–5–((6–7))-rayed trichomes; style distinct, 1–2 × 0.5 mm; stigma capitate or slightly bilobe. Seeds wingless or rarely winged, oblong, 2 × 1 mm; 5–10 per locule; cotyledons accumbent.

Distribution: endemic (Kerman, S Iran).

Phenology: June (flowering period), July (fruiting period).

Additional specimens examined: IRAN. Kerman, near Sarcheshmeh copper mine, 2700 m, 08 July 1986, Assadi

& Bazgosha 56420 (TARI!); Kerman, Rayen, Bab-Zangi village in foothills of Hezar mount. 29° 33’ 52” N, 57° 24’ 55” E. 3700 m, 14 June 2010, H . Moazzeni & Y . Ajani 45201 ( TUH!, FUMH!, TMRC!) .

Figures

FIGURE 1. Erysimum hezarense sp. nova.A: habit, B: flower, C: mature fruit and orientation of pedicel, D: distribution map of Erysimum hezarense (○ colored in red), E. laxiflorum (◊), E. subulatum (♦), E. iraqense (G) and Rhammatophyllum gaudanense ().