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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

SYAGRUS
Monoecious. Stem: 1, smooth, with conspicuous nodal rings. Leaf: pinnately compound; petiole generally unarmed, bases not persistent on trunk; leaflet margins folded downward. Inflorescence: within crown, < leaves; flowers borne in 3s with 1 pistillate flower flanked by 2 staminate, also staminate flowers borne singly at distal end of inflorescence. Staminate flower: sepals fused; petals free. Pistillate flower: sepals free; petals free; pistil 1. Fruit: drupe, generally fleshy, oily, ± orange.
32 species: North America, West Indies, South America. (Unknown, name used by Pliny for a kind of palm) [Henderson et al. 1995 Field Guide Palms Americas. Princeton Univ Press; Zona 2000 FNANM 22:120–121]

S. romanzoffiana (Cham.) Glassman QUEEN PALM
WAIF
Leaf: generally 5 m.
Near irrigation, possibly streams; < 200 m. South Coast; Florida; native to South America. All year [Online Interchange]

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Next taxon: Washingtonia

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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 24 2014
Citation for this treatment: [Author of taxon treatment] 2012. Syagrus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=81358, accessed on Apr 24 2014

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Bioregions in which Syagrus romanzoffiana 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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CCH collections by month

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