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| Jepson eFlora: Taxon page
Key to families | Table of families and genera |
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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 | |
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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]
Hairs sparse to dense, stinging 0.Key to Parietaria
Stem: branches from base, decumbent to erect, generally herbaceous.
Leaf: alternate, blade 1–9 cm, lanceolate to round, entire; stipules 0; crystals round.
Inflorescence: head-, spike-, or panicle-like, generally few-flowered; flowers subtended by involucre of 1–3 lance- linear bracts.
Flower: sepals 4, fused below.
Staminate flower: stamens 4.
Fruit: ovoid, shiny.
20–30 species: worldwide temperate, subtrop. (Latin: wall, from habitat of some)
Unabridged references: [Hinton 1969 Sida 3:293–297]
Unabridged note: Parietaria floridana Nutt. collected as nursery weed in SCo.
Annual 2–55 cm, decumbent to erect, matted or not.
Leaf: blade 5–20 mm, ± round on young stems, round to ovate or lanceolate on older stems, base truncate to wedge-shaped, lowest veins from midrib at blade base.
Flower: calyx lobes generally 2–3 mm, acute to acuminate.
Fruit: hidden between calyx lobes, 0.9–1.3 mm, ovate, tan to ± brown, tip obtuse. [Online Interchange]
Leaf: blade round to ovate on older stems, width = length.
Flower: calyx green to yellow- to light red-brown, lobes spreading to recurved, acuminate.
Rocky slopes, canyons, among boulders, in coastal scrub, chaparral, oak woodland; 30–1220 m. c&s Central Coast, San Francisco Bay Area, South Coast, Channel Islands, Peninsular Ranges;
Previous taxon: Parietaria hespera
Next taxon: Parietaria hespera var. hespera
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
Copyright © 2012 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.
| Bioregions in which taxon occurs | 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. |
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Chart based on elevation range in Manual and elevations and coordinates of CCH records. Data provided by the participants of the Consortium of California Herbaria. Note: About half of the CCH records include both elevation and coordinates. | Data provided by the participants of the Consortium of California Herbaria.
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