taxonID	type	description	language	source
039A87D745720E7980E505BB21824C83.taxon	diagnosis	Diagnosis: — Cota cinerea is similar to C. triumfetti and C. tinctoria but differs from these latter by its presence of sterile shoots up to 30 cm (absent in C. triumfetti and C. tinctoria), very densely greyish-whitish adpressed tomentose indumentum (adpressed tomentose, sometimes almost glabrous in C. triumfetti, sparsely or densely adpressed tomentose, sometimes almost glabrous in C. tinctoria), 2 - pinnatisect leaves (2 – 3 - pinnatisect in C. triumfetti and C. tinctoria), larger middle and upper leaves 40 – 70 × 20 – 35 mm (18 – 45 × 12 – 22 mm in C. triumfetti, 8 – 30 × 3 – 5 mm in C. tinctoria), larger primary leaf segments 13 – 20 × 10 – 11 mm (3 – 13 × 1 – 5 mm in C. triumfetti, 3 – 8 × 1 – 3 mm C. tinctoria), larger disc achenes 2 – 3.5 × 1 mm (1.69 – 2.05 × 0.43 – 0.74 mm in C. triumfetti, similar in C. tinctoria) and corona (0.1 – 0.29 mm in C. triumfetti, similar in C. tinctoria) (Table 1).	en	Yaşayacak, Hasan, Bani, Bariş, Özbek, Mehmet Ufuk, Sabdani, Mardiya (2025): Cota cinerea (Anthemideae, Asteraceae), a distinct new species from Türkiye. Phytotaxa 733 (2): 231-244, DOI: 10.11646/phytotaxa.733.2.6, URL: https://doi.org/10.11646/phytotaxa.733.2.6
039A87D745720E7980E505BB21824C83.taxon	materials_examined	Type: — TÜRKİYE. Bartın: Arıt Basin, Söğütlü Village, Gürdek Cliffs, rocky slopes, 900 m, 13 June 2025, B. Bani (8346) & H. Yaşayacak (holotype KBH!; isotypes GAZI!, ANK!) (Figure 5). Paratypes: — TÜRKİYE. Bartın: Arıt Basin, Söğütlü Village, Gürdek Cliffs, rocky slopes, 900 m, 19.05.2023, B. Bani (8196) & H. Yaşayacak (KBH!); ibid., 20.08.2023, B. Bani (8278) & H. Yaşayacak (KBH!).	en	Yaşayacak, Hasan, Bani, Bariş, Özbek, Mehmet Ufuk, Sabdani, Mardiya (2025): Cota cinerea (Anthemideae, Asteraceae), a distinct new species from Türkiye. Phytotaxa 733 (2): 231-244, DOI: 10.11646/phytotaxa.733.2.6, URL: https://doi.org/10.11646/phytotaxa.733.2.6
039A87D745720E7980E505BB21824C83.taxon	description	Description: — Many-stemmed, stoloniferous perennial herbs up to 75 cm tall, very densely covered with greyish-whitish adpressed tomentose throughout. Stems ascending, corymbosely branched above, and producing sterile branches up to 30 cm. Leaves of sterile shoots crowded towards apex. Basal leaves 2.1 – 4 × 1.3 – 1.6 cm, obovate, densely and alternately arranged, 2 - pinnatisect; primary segments elliptic, 5 – 9 × 2 – 3.5 mm, 6 – 7 - paired; first 2 – 4 pairs simple, 1 – 2.5 mm, lanceolate and mucronate, secondary segments 4 – 5 - paired, 1 – 2 mm, triangular. Middle and upper cauline leaves 40 – 70 × 20 – 35 mm, obovate, alternate, 2 - pinnatisect; primary segments elliptic or elliptic-oblong, 13 – 20 × 10 – 21 mm, 5 – 6 - paired, secondary segments 5 – 6 - paired, 3 mm, oblong, simple or sometimes with 1 – 2 small teeth towards apex. Peduncles up to 25 – 40 cm. Capitula heterogamous and radiate, 3 – 8 cm (including ligules). Involucre 15 – 18 mm in diam., hemispherical. Phyllaries imbricate, 4 – 5 - seriate; outer phyllaries 3 – 5 × 1 – 1.5 mm, triangular, spreading hairy; middle phyllaries 7 × 1.5 – 2 mm, oblong, glabrescent, ciliate at apex; inner phyllaries 7 × 1.5 – 2 mm, narrowly lanceolate. Receptacle with paleae; palea 5.5 × 1.5 mm, oblanceolate, acuminate, straw coloured. Ray flowers 20 – 28, white, female; 3 - toothed at apex, lamina 16 × 5.5 mm, elliptic; ligule tube glabrous, 2.5 × 0.75 – 1 mm; stylus 3.5 – 4 mm, bifurcate. Disc flowers tubular, yellow, hermaphrodite, 3.5 × 0.5 – 1 mm, 5 - lobbed, dilated at base; style to 3 mm, bifurcate. Achenes of ray flowers 1 – 1.5 × 0.5 – 1 mm, oblong, cuneate at base, inconspicuously ribbed. Disc achenes straw coloured, 2 – 3.5 × 1 mm, oblong, narrowed towards base, 5 – 8 - ribbed; corona asymmetric, 0.55 – 0.6 mm, crenulate.	en	Yaşayacak, Hasan, Bani, Bariş, Özbek, Mehmet Ufuk, Sabdani, Mardiya (2025): Cota cinerea (Anthemideae, Asteraceae), a distinct new species from Türkiye. Phytotaxa 733 (2): 231-244, DOI: 10.11646/phytotaxa.733.2.6, URL: https://doi.org/10.11646/phytotaxa.733.2.6
039A87D745720E7980E505BB21824C83.taxon	distribution	Distribution: — Endemic to Türkiye, currently known only from Bartın Province (Figure 1).	en	Yaşayacak, Hasan, Bani, Bariş, Özbek, Mehmet Ufuk, Sabdani, Mardiya (2025): Cota cinerea (Anthemideae, Asteraceae), a distinct new species from Türkiye. Phytotaxa 733 (2): 231-244, DOI: 10.11646/phytotaxa.733.2.6, URL: https://doi.org/10.11646/phytotaxa.733.2.6
039A87D745720E7980E505BB21824C83.taxon	biology_ecology	Ecological notes: — Cota cinerea grows on cliffs, rocky slopes, and shady calcareous outcrops within deciduous forest clearings. It is often found in association with Jurinea mollis (L.) Reichenbach (1831: 290), Centaurea cadmea Boissier (1844: 16), Globularia trichosantha Fischer & Meyer (1839: 36), Astragalus bartinensis Aytaç et al. (2020: 132), Anthemis cretica Linnaeus (1753: 895), Teucrium chamaedrys Linnaeus (1753: 565) and Buxus sempervirens Linnaeus (1753: 983).	en	Yaşayacak, Hasan, Bani, Bariş, Özbek, Mehmet Ufuk, Sabdani, Mardiya (2025): Cota cinerea (Anthemideae, Asteraceae), a distinct new species from Türkiye. Phytotaxa 733 (2): 231-244, DOI: 10.11646/phytotaxa.733.2.6, URL: https://doi.org/10.11646/phytotaxa.733.2.6
039A87D745720E7980E505BB21824C83.taxon	etymology	Etymology: — Named for its uniform ash-grey coloration. The species epithet ‘ cinerea’ refers to the dense cover of fine ash-grey hairs across the entire surfaces.	en	Yaşayacak, Hasan, Bani, Bariş, Özbek, Mehmet Ufuk, Sabdani, Mardiya (2025): Cota cinerea (Anthemideae, Asteraceae), a distinct new species from Türkiye. Phytotaxa 733 (2): 231-244, DOI: 10.11646/phytotaxa.733.2.6, URL: https://doi.org/10.11646/phytotaxa.733.2.6
