Asteraceae

Conyza bonariensis

Conyza LESS. Conyza bonariensis (L.) CRONQUIST Ömür: Tek yıllık Yapı: ot Hayat formu: İlk çiçeklenme zamanı: 5 Son çiçeklenme zamanı: 10 Habitat: kurak taşlık alan, boş alan Minimum yükseklik: 0 Maksimum yükseklik: 1070 Endemik: - Element: ? Türkiye dağılımı: Trakya, Dış Anadolu Genel dağılımı: G. Amerika, Ilıman bölgeler Bulunduğu kareler:A2 A6 B1 C1 C3 C5 C6

G. bonariensis (L.) Cronquist in Bull. Torrey Bot. Club 70:632 (1943). Syn: Erigeron bonariensis L., Sp. Pl. 863 (1753); E. crispus Pourr. in Mem. Acad. Toulouse 3:318 (1788); E. linifolius Willd., Sp. PL 3:1955 (1803). Ic: Boul., Fl. Lib. Syr. t. 208 (1930).   Stems up to 60 cm, at first unbranched with terminal panicle of capitula, later branched with branches overtopping original inflorescence, bearing mixed indu-mentum of stiff spreading setulose hairs and softer adpressed hairs. Lower leaves oblanceolate, 5-8 x 0.5-1 cm, entire or with 2-5 coarse teeth or lobes on each side, acute at apex, attenuate at base, adpressed-pubescent and sparsely setulose; upper leaves linear-elliptic, 10-30 x 2-3 mm, entire. Involucre 0.75-1.2 cm broad; phyllaries linear-lanceolate, 3-4 x 0.3-0.4 mm. Female flowers. 3.5-4 mm, minutely ligulate. Hermaphrodite flowers 3.5-4 mm, 5-lobed. Achenes oblong-elliptic, 1.25-1.5 mm, sparsely pubescent. Pappus brownish-white, 3-4 mm. Fl. 5-10. Dry stony situations and waste ground, s.1.-1070 m.   Described from S. America (Hb. Linn. 994/11!).   Turkey-in-Europe, Outer Anatolia, Islands. A2(E) Istanbul: Chichli (Şişli), 14 vi 1912, Azn.! A2(A) Istanbul: Maltepe, 23 viii 1916, Azn.! A6 Samsun: E. of Samsun, 3 m, Tobey 819! Bl Izmir: Bornova, Kegel (EGE 8268)! C1 Izmir: Ephesus (Efes), Sorger 67-44-13! C3 Antalya: Perge (16 km N.E. of Antalya), 100 m, Sorger 68-30-2! C5 Adana: 2 km W. of Yumurtalik, 35 m, McNeill 810b! Içel: Cennet, 15 km E. of Silifke, 40 m, Sorger 71-22-2! C6 Hatay: above Dörtyol, 150 m, Darrah 626! Is: Ikaria, Runemark & Snogerup 12644; Kalimnos, Hansen; Rodhos, Hand.-Mazz.   A South American alien now widely distributed throughout the warmer regions of the world.