Persea palustris (Raf.) Sarg.

Swamp bay (en)

Species

Angiosperms > Laurales > Lauraceae > Persea

Characteristics

Tall shrub or tree to 10(–15) m, with thin, gray, fissured bark; twigs densely rusty-villous-tomentose; lvs lanceolate to oblong or oblanceolate, 10–15 cm, evidently and loosely villous or villous-tomentose beneath, but often glabrescent except for the usually persistently hairy midvein; petiole 1–2 cm; infls of axillary, compound dichasia, with numerous fls, the peduncle mostly 2–7 cm long and longer than the petiole; inner tepals 4–5 mm; anthers 4-locular; filaments puberulent; fr black, subglobose to ellipsoid, ca 1 cm; 2n=24. Swamps and wet woods on the coastal plain; Md. to Fla., Tex., and Bahama I. May, June (P. pubescens; P. borbonia var. pubescens) The closely allied but less hairy P. borbonia (L.) Spreng., red bay, with the lvs thinly and closely rufous-strigulose beneath, and with short peduncles scarcely surpassing the petioles, has been attributed to our range but appears to be wholly more southern.
More
Trees , to 15(-20) m. Branches pubescent, hairs erect, crisped. Leaf blade ovate to elliptic, 8-14 × 2-5 cm; surfaces abaxially pale, glaucous, densely pubescent when young with rusty brown, erect, crisped hairs, glabrescent with age, adaxially green, lustrous. Inflorescences: peduncle longer than subtending leaf petiole, pubescent. Drupe ca. 8 mm wide. 2 n = 24.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 12.85
Root system -
Rooting depth (meter) 0.6
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 5-5
Soil humidity 8-8
Soil texture -
Soil acidity 3-6
Soil nutriment -
Hardiness (USDA) 4-10

Usage

Uses material medicinal
Edible -
Therapeutic use Alterative (root), Diaphoretic (root), Febrifuge (root), Kidney Aid (root)
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Persea palustris leaf picture by Maarten Vanhove (cc-by-sa)

Distribution

Persea palustris world distribution map, present in United States of America

Conservation status

Persea palustris threat status: Vulnerable

Identifiers

LSID urn:lsid:ipni.org:names:190715-2
WFO ID wfo-0001071163
COL ID 4F9GB
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Persea palustris Tamala pubescens Persea pubescens Tamala palustris Borbonia pubescens Persea caroliniensis f. pubescens Persea borbonia var. pubescens Persea borbonia subsp. pubescens Persea caroliniensis var. pubescens Laurus carolinensis var. pubescens