Scutellaria yildirimlii M. Çiçek & Yaprak, 2013

Çiçek, Mehmet & Yaprak, Ahmet Emre, 2013, Scutellaria yildirimlii (Lamiaceae), a new species from Turkey, Phytotaxa 132 (1), pp. 53-58 : 54-57

Scutellaria yildirimlii M. Çiçek & Yaprak , sp. nov. ( Figs. 1–3 )

The new species is similar to S. pectinata Montbret & Aucher ex Bentham (1836: 44) , but it differs in densely lanate hairs, its greyish dwarf prostrate and mat-forming habit, and strongly revolute leaves.

Type: — TURKEY. B4 Ankara: Ayaş’tan Ankara’ya doğru 16. km, Aysantı geçidi, 1190 m, jipsli alanlar, 31 July 2006 , M. Çiçek 2002 (holotype ANK!, isotypes ANK!, GAZI!)

Dwarf perennial herbs with many stems arising from a long woody root-stock, mat-forming, indumentum densely lanate, greyish. Stems prostrate, 1–3 cm high, ones lying on the ground woody, with very short nodes, fresh ones covered with densely villous hairs. Leaves tufted, lower ones with shortly petiolate (to 5 mm), upper ones sessile, lamina 3–7(–10) × 1.5–2(–3) mm, linear-oblong, margin strongly revolute, pectinate with 6–8 pairs of teeth, apex obtuse, densely lanate, greyish. Inflorescence 2–3 pairs-flowered spike, terminal. Flowers opposite and decussate, in a four-sided spike. Pedicels spreading, 2–3 mm at anthesis. Bracts sessile, clasping and exceeding calyx at anthesis, rhomboid, margins entire, apex acute, 5–9 × 2–3 mm, villous hairy at margin and on dorsal, greenish. Flowering calyces 1–2 mm, glandular and eglandular hairy, green, fruiting calyces 3–3.5 mm. Scutellum 1 mm long at anthesis, enlarging to 3 mm long in fruit. Corolla 20–25 mm long, with glandular hairs, tube and upper lip yellow, lower lip dark yellow, brownish or reddish-brownish. Stamens 4, didynamous, not exceeding upper lip. Anthers ca. 0.8 mm long, brownish, ciliate. Filaments glabrous, short filaments 8–10 mm long, long filaments 12–14 mm long. Style gynobasic, stigma unequally bifid. Nutlets 4, ovoid, 0.8–1 mm long, grey-black, surface completely covered with adpressed long hairs.

Phenology: —Flowering in June–September and fruiting in August–October.

Etymology: — Scutellaria yildirimlii is named in honour of the eminent Turkish botanist Prof. Dr. Şinasi Yıldırımlı.

Distribution and habitat: —Endemic to inner Anatolia, Turkey. Irano-Turanian element. ( Fig. 4). Steppe on gypseous slopes, 870–1190 m.

Additional specimens examined (paratypes): — A4 Ankara: Ayaş’ın 16 km doğusu, 1190 m, kıraç dik yamaçlar, 23 August 1977, Sorger 77-62-10 ( W) ; B3 Eskişehir: Polatlı-Sivrihisar yolu, Sivrihisar’a 24 km, Oğlakçı, 870 m, killi yamaçlar, 20 June 1980 , E. Tuzlacı (ISTE-45549) ; B3 Eskişehir: Sivrihisar, Aşağı Kepen köyü yakını, 950–1000 m, jipsli yerler, 27 September 2008 , Ş. Yıldırımlı 35322 (Hb. Yıldırımlı, HUB) ; B3 Eskişehir: Sivrihisar, Aşağı Kepen köyü aşağısı, 915 m, jipsli yerler, 28 July 2009 , Ş. Yıldırımlı 36203 , G. Yıldırımlı & H. I. Yıldırımlı (Hb. Yıldırımlı) ; B3 Eskişehir: Sivrihisar, Aşağı Kepen köyüne gelmeden, Afyon- Sivrihisar yolu-Yeşilköy bağlantısı üzeri, 872 m, jipsli yamaçlar, 11 September 2011 , A. E. Yaprak 2011-534 ( ANK); ibid., 1 November 2011 , A. E. Yaprak 2011-578 ( ANK) ; B3 Eskişehir: Sivrihisar, Aşağı Kepen köyü, 955–1025 m, jipsli yerler, 1 June 2012 , Ş. Yıldırımlı 38585 ( GAZI, Hb. Yıldırımlı) .

Specimens of Scutellaria pectinata Montbret & Aucher ex Bentham examined for this study: — B6 Malatya: northwest of Darende , 1500 m, open dry steppe, 11 August 1967 , J.M. Watson 3544 ( K) ; B6 Malatya: Darende’nin 2 km kuzeybatısı, N 38° 33' 47" E 037° 27' 47", 1214 m, taşlık yamaçlar, kireçli topraklar, step, 28 May 2005 , M. Çiçek 1867a (AEF-23955, ANK); ibid., 12 July 2005 , M. Çiçek 1867b ( ANK) ; B6 Malatya: Darende’den Gürün’e doğru, Darende’nin 4–5 km kuzeyi,, N 38° 35' 41" E 037° 27' 45", 1366 m, aşınmış kayalık ve taşlık yamaçlar, 12 July 2005 , M. Çiçek 1900 ( ANK) ; B6 Malatya: between Gürün and Darende , 1065 m, limestone, steppe, 19 July 1954, Davis 21939 ( K) ; B6 Sivas: Gökpınar , 1600 m, uncultivated field, 9 September 1977, Sorger 77-106-22 ( W) ; B7 Erzincan / Sivas: 42 km west of Refahiye , 2160 m, Astragalus steppe, 3 August 1978, Sorger 78-170-13 ( W) ; B7 Malatya: Orduzu-Pınarbaşı , mesire yeri, 21 June 2003 , K. Sakar (AEF-23005) ; B7 Malatya: Çelikhan’ın kuzeyinden Malatya’ya doğru, Malatya’ya 17 km kala, N 38° 11' 04" E 038° 18' 03", 1764 m, taşlık yamaçlar, 11 July 2005 , M. Çiçek 1895 ( ANK) ; C4 Konya: Ermenek, Hamitseydi boğazı, between Sarıvadi and Beşkuyu, 1500–1700 m, 16 August 1949, Davis 16234 ( K) ; C5 Mersin / Adana: Cilicien, Tente du yemourdaba dagh July 1872 ( K) .

Figures

FIGURE 1. Holotype of Scutellaria yildirimlii.

FIGURE 2. Cauline leaves (A and B) and bracts (C and D). A and C: Scutellaria yildirimlii (from the holotype); B and D: S. pectinata (M. Çiçek 1867a).