Directory       News       Site Map       Home
         
    Jepson eFlora: Taxon page
Key to families | Table of families and genera

Previous taxon Indexes to all accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Previous taxon

URTICACEAE NETTLE FAMILY

Robert E. Preston & Dennis W. Woodland

Annual, perennial herb [to shrub, soft-wooded tree], hairs stinging and not [glabrous]; monoecious or dioecious; wind-pollinated. Leaf: alternate or opposite, generally stipuled, petioled, blade often with translucent, raised dots due to crystals in epidermal cells. Inflorescence: axillary, 1-flowered or head-, raceme-, or panicle-like. Flower: generally unisexual, small, ± green; sepals generally 4–5, free to fused; petals 0. Staminate flower: stamens generally 4–5, opposite sepals, incurved in bud, reflexing suddenly when flower opens. Pistillate flower: ovary 1, superior, chamber 1, style 0–1, stigma 1, generally hair-tufted. Fruit: generally achene.
50 genera, 700 species: worldwide; some cultivated (Boehmeria, ramie; Pilea, clearweed). [Boufford 1997 FNANM 3:400–413] —Scientific Editor: Thomas J. Rosatti.
Unabridged references: [Miller 1971 J Arnold Arbor 52:40–68]

Key to Urticaceae

BOEHMERIA FALSE NETTLE
Perennial herb [shrub], stinging hairs 0. Leaf: opposite (alternate), ± ovate, toothed, 3-veined from base; base round to cordate; tip obtuse to acuminate; crystals round. Inflorescence: spike-[panicle-]like. Staminate flower: sepals 4, ± free; stamens 4. Pistillate flower: sepals 2–4, fused ± to tip, enclosing ovary. Fruit: flat to lenticular.
± 50 species: especially tropics, subtropics; Boehmeria nivea (L.) Gaudich., ramie, cultivated for fiber. (G.R. Boehmer, Saxony, 1723–1803) [Kravtsova et al. 2000 Kew Bull 55:43–62]

Previous taxon: Urticaceae
Next taxon: Boehmeria cylindrica

Contact/Feedback

Name search

Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Oct 25 2014
Citation for this treatment: [Author of taxon treatment] 2013. Boehmeria, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=9934, accessed on Oct 25 2014

Copyright © 2014 Regents of the University of California
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.


Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
READ ABOUT YELLOW FLAGS
map of distribution 1


View elevation by latitude chart
Data provided by the participants of the Consortium of California Herbaria.
View all CCH records