Flora of North America species comparison

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Urtica gracilenta

mountain nettle
Habit Herbs, annual, with taproot, 3-20 dm.
Stems

simple or branched from base, erect.
Leaf

blades ovate to broadly ovate, distal blades becoming ovate-lanceolate to lanceolate, 7-15 × 5-10 cm, base truncate to cordate, margins coarsely dentate, apex acute to caudate;

cystoliths rounded or occasionally elongate.
Inflorescences

racemose, elongate.
Flowers

unisexual, staminate and pistillate in separate inflorescences, or with a few pistillate flowers at apex of staminate inflorescences, subsessile to short-pedunculate.
Pistillate flowers

outer tepals lanceolate to narrowly ovate, 0.8-1 mm, inner tepals broadly ovate, 1.4-2.2 × 1.3-1.4 mm.
Achenes

ovoid, 1.4-1.6 × 1-1.1 mm.
2n

= 26.

Urtica gracilenta
Phenology Flowering summer–fall, occasionally all year.
Habitat Alluvial or calcareous soils, often in moist, shaded places
Elevation 1200-2800 m (3900-9200 ft)
Distribution
from FNA
AZ; NM; TX; n Mexico
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 3.
Parent taxa Urticaceae > Urtica
Sibling taxa
U. chamaedryoides, U. dioica, U. urens
Name authority Greene: Bull. Torrey Bot. Club 8: 122. (1881)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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