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Sabal causiarum

(Puerto Rican Hat Palm, Puerto Rico Palmetto)

Common Names

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Click on the language to view common names.

Common Names in English:

Puerto Rican Hat Palm, Puerto Rican Palmetto, Puerto Rico Palmetto

Common Names in Japanese:

Onisabaru, Sabaru Yashi

Common Names in Spanish:

Palma De Escoba, Palma De Sombrero

Description

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Genus Sabal

Plants dwarf , moderate, or tall, usually robust . Stems solitary, aerial or subterranean , covered with leaf bases or clean, obscurely [strongly] ringed, becoming striate or smooth with age. Leaves few to many; sheath fibers soft; petiole split at base, completely unarmed ; adaxial hastula well -developed, obtuse to acuminate-triangular; costa present; blade weakly to strongly costapalmate ; plication induplicate ; segments lanceolate, basally connate to connate for 2 1/2 length [or in groups of 2 or 3 segments connate for nearly entire length], often bearing thread-like fibers between segments; apices acute or 2-cleft, stiff or lax . Inflorescences axillary within crown of leaves, paniculate , erect or arching beyond leaves [shorter than leaves], with 2 or 3[--4] orders of branching; peduncular bracts 2--5, tightly clasping , inconspicuous; rachillae glabrous . Flowers bisexual , borne singly along rachillae, sessile, creamy white, fragrant; perianth 2-seriate; calyx cupulate ; 3-lobed; petals 3, imbricate, elliptic , obovate or spatulate , alternate with outer whorl of stamens [basally connate], basally adnate to filaments ; stamens 6 in 2 whorls; filaments narrowly triangular, basally connate; anthers dorsifixed , versatile; pistils 1, 1-carpellate, glabrous; nectaries 3, septal; ovules 3, but usually only one develops into seed; stigma minutely 3-lobed, papillose . Fruits drupes, berrylike, spheroid [oblate or pyriform ] or lobed when more than 1 seed develops; exocarp black; mesocarp blackish, dry to fleshy ; endocarp brown, membranaceous . Seeds 1--3, oblate, glossy; endosperm bony, homogeneous ; embryo nearly apical, lateral or nearly lateral; eophyll undivided, linear-lanceolate. nx = 18.

Species 16: North America, Mexico, West Indies, Central America, South America.

Sabal flowers are bisexual and are pollinated mostly by native bees, especially of the families Halictidae and Megachilidae (S. Zona 1987, 1990), European honeybee, and wasps (Vespidae; P. F. Ramp 1989). Fruits are eagerly sought by both mammals (bears, deer, raccoons) and birds (S. Zona and A. Henderson 1989). Sabal minor, perhaps more than other species, is also dispersed by water (P. F. Ramp 1989; S. Zona 1990).Inodes O. F. Cook "Sabal". in Flora of North America Vol. 22 Page 107. Oxford University Press. Online at EFloras.org.

Physical Description

Habit: Tree

Flowers: Bloom Period: April, May, June.

Size/Age/Growth

Size: 20-30' tall.

Biology

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Reproduction

Duration: Perennial

Growth

Culture: Space 10-12' apart.

Soil: Minimum pH: 6.1 • Maximum pH: 7.8

Sunlight: Sun Exposure: Full Sun .

Temperature: Cold Hardiness: 8a, 8b, 9a, 9b, 10a, 10b, 11. (map)

Taxonomy

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Unambiguous Synonyms

  1. Inodes causiarum O. F. Cook
  2. Sabal causiarum (O. F. Cook) Becc.

Notes

Name Status: Accepted Name . Latest taxonomic scrutiny: 15-Mar-2000

Place of publication : Webbia 2:71. 1907

Name verified on 07-Nov-1985 by ARS Systematic Botanists. Last updated: 22-May-1997

Similar Species

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Members of the genus Sabal

There are approximately 100 species in this genus:

S. 'Birmingham' (Cabbage Palm) · S. 'Riverside' (Cabbage Palm) · S. acaulis · S. adamsonii · S. adansonii var. megacarpa · S. adiantinum · S. allenii · S. bahamensis · S. beccariana · S. bermudana (Bermuda Fan Palm) · S. blackburiana · S. blackburnia (Blackburn Palmetto Palm) · S. blackburniana · S. blackburnianum · S. campbelli · S. carolinianum · S. causiarum (Puerto Rican Hat Palm) · S. chinensis · S. coerulescens · S. columnare · S. deeringianum · S. domingensis (Hispaniolan Palmetto) · S. dugesii · S. elatum · S. etonia (Palm) · S. extonianum · S. floribunda · S. florida · S. ghiesbrechtii · S. giganteum · S. glauca · S. glaucescens · S. graminifolium · S. grayana · S. gretherae · S. gretheriae · S. guatemalensis · S. haitensis · S. havanensis · S. histrix · S. hoogendorpii · S. imperialis · S. jamaicensis · S. jamesianum · S. japa · S. javanica · S. lamanonis · S. longepedunculata · S. longifolia · S. longipedunculata · S. lousiana · S. magdalenae · S. major · S. maritima (Cuban Palmetto) · S. mauritiiforme · S. mauritiiformis · S. mayarum · S. megacarpa · S. mexicana (Oaxacan Palmetto) · S. mexicanum · S. miamensis · S. minima · S. minimum · S. minor (Blue Palm) · S. minor 'Mccurtain' (Blue Palm) · S. minor var. louisiana (Blue Palm) · S. minus · S. miocenica · S. mocinii · S. morrisiana · S. neglecta · S. nematoclada · S. oleraceum · S. palmeto · S. palmetto (Cabbage Palm) · S. palmetto (Walter) Lodd. ex Schult. & Schult.f. var. bahamensis Becc. · S. parviflora · S. parvifolia · S. peregrina · S. powelli · S. princeps · S. pumila · S. pumos · S. questeliana · S. rosei · S. schwarzii · S. serrulata · S. serrulata var. minima · S. serrulatum · S. speciosa · S. spp · S. taurinum · S. umbraculifera · S. umbraculiferum · S. uresana (Sonoran Palmetto) · S. uresana var. roseana · S. viatoris · S. woodfordii · S. yapa · S. yucatanica

Bibliography

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More Info

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal February 28, 2008:

Identifiers

Footnotes

Last Revised: 2008-08-12