Urtica

Contains 3 accepted taxa overall.

Characteristics
Urtica L.
URTICACEAE
NETTLE
View USF Herbarium specimens of this family
Classification
ROSALES
Urtica
Citation
URTICA Linnaeus, Sp. Pl. 983. 1753.
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TYPE: Urtica dioica Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 1: 634. 1913.
Distribution Map Present

This species have been reported in the counties highlighted.

Species
Scientific Name Common Name Herbarium Specimens Status Photos
Urtica chamaedryoides HEARTLEAF NETTLE Native FAC (NWPL)
Urtica dioica STINGING NETTLE Not Native FAC (NWPL)
Urtica urens BURNING NETTLE; DWARF NETTLE Native
Identification Key
1.  Perennial, rhizomatous; leaf blades mostly lanceolate to lanceolate-ovate, the teeth usually angular or deltate, to 15 cm long; inflorescence unisexual, 1.5-7 cm long
U. dioica
1.  Annual; leaf blades mostly ovate to suborbicular, the teeth mostly rounded or curvaceous or ovate, to 6 cm long; inflorescence bisexual, to 2 cm long
2
2.  Flower clusters sub-globose to short-spicate; mature achenes ovate, 1-1.5 mm long, less than 1 mm
U. chamaedryoides
2.  Flower clusters lax and elongate; mature achenes triangular, 1.5-2.5 mm long, 1-1.5 mm
U. urens
Genus Synonyms
Synonym Full Citation Basionym Type
Selepsion Selepsion Rafinesque, Fl. Tellur. 3: 48. 1837 ("1836"). TYPE: Urtica dioica Linnaeus 1753. = Urtica Linnaeus 1753, by lectotypification.