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Persea borbonia

(Florida Mahogany)

Overview

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Interesting Facts

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Common Names

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Click on the language to view common names.

Common Names in English:

Florida Mahogany, Red Bay, Red-Tip Bay, Redbay, Tisswood

Common Names in unspecified:

Redbay

Description

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Family Lauraceae

Shrubs to tall trees , evergreen or rarely deciduous ( Cassytha a parasitic vine with leaves reduced to scales ), usually aromatic . Leaves alternate, rarely whorled or opposite, simple , without stipules, petiolate . Leaf blade : unlobed (unlobed or lobed in Sassafras ), margins entire, occasionally with domatia (crevices or hollows serving as lodging for mites ) in axils of main lateral veins (in Cinnamomum ) . Inflorescences in axils of leaves or deciduous bracts, panicles (rarely heads ), racemes , compound cymes, or pseudoumbels (spikes in Cassytha ), sometimes enclosed by decussate bracts. Flowers bisexual or unisexual , bisexual only, or staminate and pistillate on different plants , or staminate and bisexual on some plants, pistillate and bisexual on others; flowers usually yellow to greenish or white, rarely reddish; hypanthium well developed, resembling calyx tube , tepals and stamens perigynous; tepals 6(-9), in 2(-3) whorls of 3, sepaloid , equal or rarely unequal, if unequal then usually outer 3 smaller than inner 3 (occasionally absent in Litsea ) ; stamens (3-) 9(-12), in whorls of 3, but 1 or more whorls frequently staminodial or absent; stamens of 3d whorl with 2 glands near base ; anthers 2- or 4-locular, locules opening by valves ; pistil 1, 1-carpellate; ovary 1-locular; placentation basal; ovule 1; stigma subsessile , discoid or capitate. Fruits drupes, drupe borne on pedicel with or without persistent tepals at base, or seated in ± deeply cup-shaped receptacle (cupule), or enclosed in accrescent floral tube . Seed 1; endosperm absent.

Genera ca. 50, species 2000-3000 (9 genera, 13 species in the flora ) : pantropical , a few species also in subtropical and temperate regions

Cassytha is sometimes placed in its own family , Cassythaceae; it is here retained in Lauraceae.[1]

Genus Persea

Shrubs to medium-sized trees , evergreen . Bark reddish brown, thin, fissured . Leaves alternate, aromatic . Leaf blade pinnately veined; surfaces pubescent , especially abaxially, becoming glabrescent with age; domatia absent. Inflorescence appearing when mature leaves are present, axillary , flowers in pedunculate , compound cymes. Flowers bisexual ; tepals persistent , yellowish, pubescent, outer tepals slightly shorter than inner; stamens 9, anthers 4-locular, 4-valved, anthers of outer 6 stamens introrse , anthers of inner 3 latrorse ; staminodes 3, sagittate ; ovary nearly globose . Drupe dark blue to black, nearly globose, borne on pedicel with tepals persistent at base ; cupule absent. x = 12.

Species ca. 150: tropical and subtropical regions, Western Hemisphere.

Pubescence type and density are the most reliable characteristics in identifying species and are best seen on young leaves and branches.[2]

Physical Description

Species Persea borbonia

Trees , to 25 m. Branches appressed-pubescent. Leaf blade narrowly elliptic to widely ovate , 6-16 × 2-5 cm; surfaces abaxially pale , glaucous, moderately pubescent when young with rusty brown, appressed hairs , glabrescent with age, adaxially green, lustrous . Inflorescences: peduncle equal to or shorter than subtending leaf petiole , pubescent. Drupe (8-) 10 mm diam., usually glaucous. 2 n = 24. [source]

Habit: Evergreen .

Flowers: Bloom Period: February, March, April, May. • Flower Color: chartreuse, yellow-green

Size/Age/Growth

Size: 30-40' tall.

Habitat

In hammocks , mixed hardwoods , coastal dunes, maritime forests ; outer Atlantic and Gulf coastal plains , rarely in the Piedmont; 0-100 m [3].

Typically found at an altitude of 0 to 280 meters (0 to 919 feet).[4]

Biology

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Growth

Culture: Space 20-30' apart.

Soil: Minimum pH: 5.1 • Maximum pH: 7.5

Sunlight: Sun Exposure: Full Sun .

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

Taxonomy

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Synonyms

Laurus borbonia Linnaeus • Persea littoralis Small • Tamala borbonia (Linnaeus) Rafinesque • Tamala littoralis (Small) Small

Notes

Name Status: Accepted Name .

Last scrutiny: 15-Mar-2000

Similar Species

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Members of the genus Persea

ZipcodeZoo has pages for 26 species, subspecies, varieties, forms, and cultivars in this genus:

P. americana (Abacate) · P. americana var. americana (West-Indian Avocado) · P. americana var. drymifolia (Mexican Avocado) · P. americana var. Lulu (Avocado) · P. americana var. nubigena (Guatemalan Avocado) · P. americana 'Bernecker' (Alligator Pear) · P. americana 'Brogdon' (Alligator Pear) · P. americana 'Choquette' (Alligator Pear) · P. americana 'Emerald' (Avocado) · P. americana 'Knowles' (Avocado) · P. americana 'Lula' (Alligator Pear) · P. americana 'Miguel' (Alligator Pear) · P. americana 'Simmonds' (Alligator Pear) · P. borbonia (Florida Mahogany) · P. borbonia borbonia (Red-Tip Bay) · P. cubeba (Mountain-Pepper) · P. humilis (Scrub Bay) · P. indica (Vi) · P. krugii (Canela) · P. lingue (Lingue) · P. membranacea (Sweetwood) · P. nubigena (Guatemalan Avocado) · P. nubigena var. guatemalensis (Guatemalan Avocado) · P. palustris (Red Bay) · P. schiedeana (Aguacatillo) · P. urbaniana (Aquacatillo)

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal November 22, 2007:

Identifiers

Footnotes

  1. Henk van der Werff "Lauraceae". in Flora of North America Vol. 3. Oxford University Press. Online at EFloras.org. [back]
  2. B. Eugene Wofford "Persea". in Flora of North America Vol. 3. Oxford University Press. Online at EFloras.org. [back]
  3. "Persea borbonia". in Flora of North America Vol. 3. Oxford University Press. Online at EFloras.org. [back]
  4. Mean = 32.580 meters (106.890 feet), Standard Deviation = 80.610 based on 236 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]
Last Revised: 7/15/2012