Asteraceae

Xanthium spinosum

Xanthium L. Xanthium spinosum L. Ömür: Tek yıllık Yapı: ot Hayat formu: İlk çiçeklenme zamanı: 8 Son çiçeklenme zamanı: 10 Habitat: kurak yamac, boş alan Minimum yükseklik: 10 Maksimum yükseklik: 1750 Endemik: - Element: ? Türkiye dağılımı: K. Türkiye, Karasal Anadolu Genel dağılımı: Yaygın Bulunduğu kareler :A1 A2 A3 A4 A5 A6 A7 A9 B1 B2 B3 B4 B5 B7 B9 C3 C4 C5 C6

X. spinosum L., Sp. PI. 987 (1753). Ic: Fiori, Ic. Fl. Ital. f. 3678 (1904); Polunin, Fls. Europe 146 (1969). Much-branched annual, 15-100 cm. Leaves sessile to shortly petiolate, 2-5 cm, 3-5-fid, dark green above and white- to grey-tomentose beneath, borne on short shoots subtended by (l-)2 trifid yellow spines (modified leaves). Capitula solitary, sessile in leaf axils, male borne at ends of branches. Fruiting involucre 10-15x7-9 mm (incl. spines), arachnoid; spines hooked; beaks acicular, one longer than other. Fl. & fr. 8-10. Dry slopes, waste places, 10-1750 m. Described from Portugal (Hb. Cliff.!). Mainly N. Turkey, Inner Anatolia, Islands. A1(E) Çanakkale: 25 km N. of Gelibolu, 10 m, Sorger 68-2-123! A2(E) Istanbul: Büyükdere, 16 xi 1911, Azn.l A3 Ankara: Akdere, 1100-1400 m. Khan et al.! A4 Zonguldak: Safranbolu, 400 m, D. 39027! A5 Samsun: 2 km S. of Havza, 600 m, D. 47748! A6 Samsun: Black Sea coast E. of Terme, de Haas 1609! A7 Gümüşane: Ardasa, Sint. 1894:7473! A9 Çoruh: Borçka, Tong 515! B2 Kütahya: Simav to Dağardi, 870 m, E. Anglia Exped. D3! B4 Konya: Ömeranli, S. of Kulu, Jenkins 2097! B5 Nevşehir: Ürgüp, 1250 m, Sorger 70-37-14! B7 Elaziğ: d. Harput, Habusi, Nábêlek 3826. B9 Van: Van, 1750 m, D. 24535! C4 Konya: Bozkir, D. 14584! Is: Lesvos, Cand.; Samos, 20 viii 1900, B. Postl Kos, Kumburnu, Ladispoto. A weedy species with almost world-wide distribution.