The Urticaceae / ɜːrtɪˈkeɪsiː / are a family, the nettle family, of flowering plants. The family name comes from the genus Urtica. The Urticaceae include a number of well-known and useful plants, including nettles in the genus Urtica, ramie (Boehmeria nivea), māmaki (Pipturus albidus), and ajlai (Debregeasia saeneb).

Urticaceae, the nettle family (order Rosales) comprising about 54 genera and 2,625 species of herbs, shrubs, small trees, and a few vines, distributed primarily in tropical regions. The stems and leaves of many species have stinging trichomes (plant hairs) that cause a …

Identify plants and flowers of the Stinging Nettle family (Urticaceae) with these wildflower identification tools and a photo gallery with plants grouped according to families.

The Urticaceae consist of dioecious or monoecious [rarely hermaphroditic] herbs (annual or perennial), shrubs, trees, or lianas, some epiphytic with aerial or prop roots.

The Urticaceae family is a captivating group of plants with a rich history and diverse range of species. From the stinging nettles to the ornamental Pilea, each genus within this family has its own unique characteristics and ecological significance.

2017年11月11日 · The Urticaceae, in the order of Rosales, is a family, the nettle family, of dicotyledonous flowering plants, consisting of about 53 genera with approximately 2625 species, widely distributed in tropical, subtropical, and temperate regions in the world.

The Urticaceae /ɜːrtɪˈkeɪsiː/ are a family, the nettle family, of flowering plants. The family name comes from the genus Urtica. The Urticaceae include a number of well-known and useful plants, including nettles in the genus Urtica, ramie (Boehmeria nivea), māmaki (Pipturus albidus), and ajlai (Debregeasia saeneb).

The Urticaceae comprise 50 genera and about 2,500 species of herbs, shrubs and trees. Controversy exists over the inclusion of the Cecropiaceae.

All climbing Urticaceae are scramblers. LEAVES. Alternate, simple, membranaceous, sub-trinerved, with serrate margins in Urera. unequal in Urera (Figure 236A); stipules lateral, free, commonly early caducous. INFLORESCENCE. Axillary spikes with flowers in glomerules in Pouzolzia (Figure 235),

The Urticaceae are monoecious or dioecious herbs or infrequently shrubs or small trees comprising 45 genera and 700 species, often with specialized stinging hairs. The leaves are alternate or opposite, simple, and almost always stipulate. The minute, unisexual flowers are in cymose clusters.