Difference between revisions of "Hesperocnide"

Torrey

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

Etymology: Greek hesperos, west, and knide, nettle
Treatment appears in FNA Volume 3.
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_340.xml
 
|genus=Hesperocnide
 
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Latest revision as of 22:48, 5 November 2020

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).