Celtis L.

Hackberry

Ancient Greek name.

Mostly deciduous trees, rarely shrubs or vines. Bark generally smooth, grey. Leaves alternate, entire or toothed, generally unequal at the base with 3 main veins from the junction of blade and stalk. Flowers unisexual or bisexual (functionally unisexual), appearing with the leaves, green, axillary. Perianth segments 5-6. Stamens 4-5. Female flowers usually with sterile stamens; early spring. Fruit a drupe with a hard nutlet.

C. tournefortii Lam. from the Balkans, Turkey and Crimean is occasionally offered; it is a small tree or shrub with leaves mostly less than 6 cm long and softly hairy below.

A selection of species may be seen at the Waite Research Institute in Adelaide.

Leaves 3-veined at base; fruit round, pea-size.

About 60 species from the northern hemisphere and tropics.

Source: Spencer, R. (1997). Ulmaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Rosanae
order      Rosales
family       Cannabaceae
Higher taxa
Subordinate taxa
species         Celtis australis L.
species         Celtis occidentalis L.
species         Celtis sinensis Pers.