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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, subtrop. [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
Key to Washingtonia
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.
2 species: deserts of s CA, AZ, n Mex. (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 < 30 m, < 80 cm diam.
Leaf: to 1 m; petiole red-brown, sharply toothed throughout; thread-like fibers of leaf segment margins inconspicuous or 0.
Inflorescence: to 3 m.
Desert washes, disturbed areas, riparian corridors; < 500 m. South Coast;
Previous taxon: Washingtonia filifera
Next taxon: Asparagaceae
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].
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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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