Aceraceae

Acer divergens var. trilobum

Acer L. Acer divergens PAX var. trilobum YALT. Ömür: Çok yıllık Yapı: çalı veya ağaç Hayat formu: İlk çiçeklenme zamanı: 8 Son çiçeklenme zamanı: 8 Habitat: kayalık granit yamaçlar Minimum yükseklik: 1250 Maksimum yükseklik: 1250 Endemik: endemik Element: İran-Turan ? Türkiye dağılımı: D. Anadolu Genel dağılımı: Türkiye Bulunduğu kareler:A8 A9

A. divergens Pax in Bot. Jahrb. 7: 234 (1886).   Shrub or small tree. Branches light brown, smooth and lustrous, arched. Leaf blades 3-5-lobed to⅓- ½,2-3.5 x 3-5 cm, lobes triangular-acute, entire, glabrous on both sides, dark green above, light green and reticulate-veined beneath; petiole glabrous, 2-3 cm, lactiferous. Flowers in small, erect, glabrous corymbs. Fruit wings '12-22 x 7-10 mm, widely divaricate (angle between the outside edges of the wings 120-140°); nutlets rounded, compressed, glabrous; loculus glabrous. 1. Leaves 5-lobed, base truncate var. divergens 1. Leaves 3-lobed, base rounded var. trilobum var. divergens. Syn: A. quinquelobum Koct,Dendrol. 1: 540 (1869) non Saporta (1865); A. lasicum Graf. v. Schwerin in Gartenfl. 106 (1898). Ic: Pojarkova, op. cit. 296, f. 13. Fl. 4. Scree slopes in gorges, 400-1100 m.   Type: [Turkey A8 Çoruh] in valle 'Tschorukthal' dicta in ditione caucasica sita, Koch.   A8 Çoruh: Artvin to Ardanuç, 400 m, D. 30665! Artvin, Woronow 268! Erzurum: NE of Tortum, 1100 m, Markgraf 11004! A9 Erzurum: d. Oltu, 10 km E of Kosar, Sauer (ISTF 316)!   Endemic. var. trilobum Yalt. in Notes R.B.G. Edinb. 28: 16 (1967). Rocky granite slopes, c. 1250 m.   Type: Turkey A8 Erzurum, Yusufeli to Erzurum, 1250 m, 9 viii 1960, Stainton & Henderson 6130 (holo. E!).   Endemic. The species is apparently confined to dry valleys in N.E. Anatolia. Ir. Tur. element?