Aceraceae


Acer divergens
var. divergens

Acer divergens
var. divergens
Acer L.
Acer divergens PAX var. divergens PAX
Ömür: Çok yıllık
Yapı: çalı veya küçük ağaç
Hayat formu:
İlk çiçeklenme zamanı: 4
Son çiçeklenme zamanı: 4
Habitat: boğazlardaki çağıllık yamaçlar
Minimum yükseklik: 400
Maksimum yükseklik: 1100
Endemik: endemik
Element: İran-Turan ?
Türkiye dağılımı: K. ve 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?