Hesperocnide

Torrey

Pacif. Railr. Rep. 4(5): 139. 1857.

Etymology: Greek hesperos, west, and knide, nettle
Treatment appears in FNA Volume 3.
 TaxonIllustrator 
FNA03 P76 Urtica Hesperocnide Laportea pg 404.jpegHesperocnide tenella
Laportea canadensis
Urtica chamaedryoides
Urtica dioica subsp. gracilis
Urtica dioica subsp. dioica
Urtica dioica subsp. holosericea
John Myers
John Myers
John Myers
John Myers
John Myers
John Myers

Herbs, annual, with stinging and nonstinging hairs. Stems usually branched, erect, spreading, or reclining. Leaves opposite; stipules present. Leaf-blades ovate to broadly ovate, distal blades sometimes broadly elliptic, margins serrate; cystoliths elongate. Inflorescences axillary, globose, nearly globose, or elongate-racemose or paniculate. Flowers unisexual, staminate and pistillate in loose to dense clusters in same inflorescence; bracts absent. Staminate flowers: tepals 4, distinct, equal; stamens 4; pistillode present. Pistillate flowers: tepals 4, connate, forming persistent saclike structure covered with delicate, hooked hairs and completely enclosing mature, flattened achene; staminodes absent; style absent, stigma tufted, persistent. Achenes subsessile, laterally compressed, ovoid, tightly enclosed in persistent tepals. x = 12.

Distribution

1 in Calif. and Mexico, 1 in Pacific Islands (Hawaii)

Discussion

Species 2 (1 in the flora).

Selected References

None.

... more about "Hesperocnide"
ovoid +, compressed +  and flattened +
David E. Boufford +
Torrey +
1 in Calif. and Mexico +  and 1 in Pacific Islands (Hawaii) +
Greek hesperos, west, and knide, nettle +
reflexing +  and inflexed +
pistillate +  and staminate +
loosely +  and free +
paniculate +  and elongate-racemose +
ovate +  and broadly ovate +
rounded +  and linear +
accrescent +
Pacif. Railr. Rep. +
reclining +, spreading +  and erect +
persistent +
Hesperocnide +
Urticaceae +
reddish +, greenish +, green +  and white +
persistent +
connate +  and distinct +
hypogynous +