URTICACEAE

Contains 8 genera and 19 accepted taxa overall.

This family is completely databased for all specimens.

Characteristics
URTICACEAE
Dicot
-
Classification
ROSALES
URTICACEAE
Distribution Map Present

This species have been reported in the counties highlighted.

Genera
Genus Common Name Taxa Count Herbarium Specimens Photos
Boehmeria FALSE NETTLE 2
Cecropia PUMPWOOD 1
Laportea WOODNETTLE 2
Parietaria PELLITORY 4
Pilea CLEARWEED 5
Pouzolzia POUZOLZ'S BUSH 1
Rousselia ROUSSELIA 1
Urtica NETTLE 3
Identification Key
1.  Trees; leaf blades palmately lobed
1.  Herbs to shrubs; leaf blades unlobed
2
2.  Leaves mostly opposite, sometimes solitary at a fertile node
3
2.  Leaves alternate
7
3.  Plant with stinging trichomes with a distinct bulbous base and translucent apex
3.  Plant without stinging trichomes
4
4.  Leaf blades entire
5
4.  Leaf blades toothed
6
5.  Leaf blades <1 cm long
5.  Leaf blades 1-6 cm long
6.  Petiole 0.1-0.5 times as long as the leaf blade; inflorescence spiciform with separated dense glomerules
6.  Petiole 0.3-1.2 times as long as the leaf blade; inflorescence short and dense or paniculate
7.  Leaf blades dentate to serrate
8
7.  Leaf blades entire
9
8.  Plant without stinging and without glandular trichomes; leaf blade lower surface densely white tomentose; inflorescence spiciform with separated dense glomerules
8.  Plant often with stinging and stipitate-glandular trichomes; leaf blade lower surface sparsely to densely pubescent, not white tomentose; inflorescence paniculate with
9.  Root tuberous; petiole 0.1-0.3 as long as the leaf blade; sepals connate, appressed and enclosing the achene
9.  Rhizomatous, stoloniferous, or fibrous-rooted; petiole 0.3-1.2 times as long as the leaf blade; sepals free or basally connate, loosely enclosing the achene
10
10.  Leaf blades mostly 8-60 mm long; stigma short, penicillate
10.  Leaf blades <8 mm long; stigma long, filiform