Populus diversifolia (Gintzburger et al., 2003)

From PlantUse English
Jump to: navigation, search
Amygdalus spinosissima
Gintzburger et al., Rangelands in Uzbekistan, 2003
Populus diversifolia (Gintzburger et al., 2003)
Populus pruinosa
Populus diversifolia
Populus diversifolia
Populus diversifolia leaves at the base of the trunk

Populus diversifolia Schrenk

Local name:

  • Uzbek, Kazakh: Turanga

Description and morphology: Tree (height up to 15–20 m; trunk up to 50–60 cm diameter). Buds resiniferous. Leaves: those at base of tree different from those at top of same tree. Most leaves, long-petioled, triangular or deltoidrhombic irregularly acute-dentate at apex. Young leaves or leaves on lower branches, entire, oblong-lanceolate to linear (similar to eucalypt or willow leaves). Flowers: nectariferous, pendulous (catkin) appearing early, before leaves. Ovary sessile.

Reproduction: Sexual and vegetative (suckers). Flowering: February–April. Fruit: capsule (1–1.5 cm), ovoid, villose. Seed: numerous, small, ovoid, with silky hair emerging from funicle. Pastoral importance: None.

Fodder value: Negligible.

Economic interest: Fast growing tree, soft wood. Used for timber and buildings (wooden floors and rooves). Resin of bark and volatile oils (up to 0.3%) from buds are used in traditional medicine as a tincture and ointment to treat rheumatism, burns and haemorrhoids. Also used in the cosmetic industry.

Habitat: Riparian. Hygrophyte. Present in dense thickets (1500–2000 small trees/ha), tugaï forest, river banks, springs, along the Amu-Darya and Syr-Darya rivers and most permanent rivers. Moderately salt-tolerant. Often found in mixed stands with Populus pruinosa Schrenk (‘Turangyl’).

Distribution: Central and Middle Asia; from Palestine to China.