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ARECACEAE (Palmae) PALM FAMILY

Scott Simono

[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

PHOENIX
Dioecious. Leaf: pinnately compound; petiole generally armed, bases persistent on trunk; leaflet margins folded upward, proximal leaflets occasionally reduced, spine-like. Inflorescence: within crown, < leaves, flowers borne singly. Flower: perianth ± yellow; sepals fused proximally; petals generally free; pistils 3. Fruit: berry-like drupe, generally fleshy, sweet.
137 species: southern Europe, Africa, southern Asia, Philippines. (Greek: name for date palm, meaning uncertain)
Unabridged references: [McCurrach 1960 Palms of the World; Zona 2000 FNANM 22:110–111]

Key to Phoenix

P. dactylifera L. DATE PALM
WAIF
Leaf: generally < 7 m. Fruit: 2.5–5 cm, oblong-ovate, brown, pulp thick.
Uncommon. Near development, springs; < 300 m. South Coast, Desert; native to northern Africa. Oct–Mar [Online Interchange]

Previous taxon: Phoenix canariensis
Next taxon: Syagrus

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Apr 19 2014
Citation for this treatment: [Author of taxon treatment] 2012. Phoenix, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=37879, accessed on Apr 19 2014

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click for enlargement Phoenix dactylifera
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Marguerite Gregory 2007 California Academy of Sciences

Bioregions in which Phoenix dactylifera 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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map of distribution 1
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.