|University of California, Berkeley|
|Directory News Site Map Home|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
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 |
[Subshrub, shrub], tree, evergreen; dioecious (monoecious), or flowers bisexual. Stem: erect [subterranean, creeping, climbing], slender to massive, smooth or covered with fibrous or prickly remains of leaf bases. Leaf: palmately or pinnately dissected or compound, alternate, forming a terminal crown; base sheathing; petiole generally long; blade including leaflets folded lengthwise. Inflorescence: panicle (spike), axillary; peduncle sheathed by 1+ large bracts; flowers many, generally ± sessile. Flower: generally small, ± radial; sepals, petals each generally 3, similar or not, fused at base or free; stamens generally 6; pistils 1, compound, or 3, simple, ovaries superior, if 1, generally 3-chambered, styles free or fused. Fruit: generally a drupe, fleshy or dry. Seed: generally 1.
1914 genera, 2500 species: tropics, subtropics. [Zona 2000 FNANM 22:95–123] Cult worldwide for food, ornamental, building material. —Scientific Editor: Bruce G. Baldwin.
Unabridged references: [Uhl & Dransfield 1987 Genera Palmarum; Zona 2000 FNANM 22:95–123]
Key to Arecaceae
Leaf: petiole 1–2 m, generally armed, bases persistent on trunk; blade 1–2 m, generally persistent as brown "skirt," palmately divided nearly to middle, segments 40–60, margins folded upward, with thread-like fibers, tips ± reflexed. Inflorescence: within crown, > leaves, flowers borne singly. Flower: bisexual; calyx lobes ± erect; corolla lobes reflexed, white; pistil 1, ovary 3-lobed. Fruit: drupe, oblong or ovate, black, ± fleshy.Key to Washingtonia
2 species: deserts of southern California, Arizona, northern Mexico. (George Washington, 1st president of USA, 1732–1799)
Unabridged references: [Clarke et al. 2007 Flora of the Santa Ana River and Environs; Henderson et al. 1995 Field guide to the Palms of the Americas; McCurrach 1960 Palms of the World: 264–265; Zona 2000 FNANM 22:105–106]
Stem: trunk < 20 m, ± 100 cm diam. Leaf: 1.5–3 m; petiole green, sharply toothed at base; thread-like fibers of leaf segment margins many. Inflorescence: to 5 m.
Groves, moist places, seeps, springs, streamsides; < 1200 m. Sonoran Desert, introduced s Sierra Nevada Foothills (Kern River), South Coast (Santa Ana River), Mojave Desert (Death Valley National Park), expected elsewhere; southeastern Arizona, northern Baja California. Feb–Jun [Online Interchange]
Unabridged note: Expanded author citation: Washingtonia filifera (Linden ex André) H. Wendl. ex de Bary.
Previous taxon: Washingtonia
Next taxon: Washingtonia robusta
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 29 2015
Citation for this treatment: [Author of taxon treatment] 2013. Washingtonia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=48512, accessed on May 29 2015
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.
See CalPhotos for additional images
© 2002 Charles E. Jones
|Geographic subdivisions indicated for the distribution of Washingtonia filifera|| 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
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).
View elevation by latitude chart
| Data provided by the participants of the Consortium of California Herbaria.
View all CCH records
CCH collections by month