Comptonia peregrina (L.) J.M.Coult.

Sweet fern (en)

Species

Angiosperms > Fagales > Myricaceae > Comptonia l'hér.

Characteristics

Shrubs , to 1.5 m, forming rhizomatous colonies. Branchlets red-brown to gray, pilose to villose, sometimes puberulent. Leaves: stipules nearly cordate, long-acuminate. Leaf blade very aromatic when crushed, 3-15.5 × 0.3-2.9 cm, lobes alternate to nearly opposite, base truncate, cuneate to attenuate, or oblique, apex acute; surfaces abaxially pale gray-green, densely pilose to puberulent, adaxially dark green, densely pilose to glabrate, gland-dotted, especially adaxially. Inflorescences: staminate in clusters at ends of branches, elongating to 5 cm, bracts broadly ovate to trullate, margins ciliate, apex acute to long-acuminate, abaxially gland-dotted; pistillate to 5 mm at anthesis, elongating in fruit to 2 cm, bracteoles to 1.3 cm, pilose, gland-dotted. Fruits 2.5-5.5 mm.
More
A small suckering shrub. It loses its leaves during the year. It develops many stems. It grows 1.5 m high and spreads 2.4 m wide. It has feather like leaves which have lobes. The leaves are 5-10 cm long and the lobes are deep. The male and female flowers are on separate catkins. The male ones are slightly longer. They are red-brown. The female catkins enlarge as the seed ripens.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) 1.95 - 2.45
Mature height (meter) 1.5
Root system -
Rooting depth (meter) 0.4
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer present
Photosynthetic pathway c3

Environment

It is a temperate plant. It grows in fields and woodlands. It does best in moist, well-drained soil. It should be rich in humus and slightly acid. It can grow in full sun of light shade. It suits hardiness zones 4-9.
More
Dry, sterile, sandy to rocky soils in pinelands or pine barrens, clearings, pastures or edges of woodlots from sea level to 1800 metres.
Light 4-7
Soil humidity 2-5
Soil texture 3-6
Soil acidity 1-6
Soil nutriment -
Hardiness (USDA) 5-7

Usage

The leaves both fresh and dried are used to make tea. The leaves and tops are chopped and used as a condiment. Young fruit are eaten.
Uses beverage environmental use incense insecticide medicinal tea
Edible fruits leaves
Therapeutic use Stimulant (bark), Blood Medicine (flower), Pulmonary Aid (flower), Urinary Aid (flower), Venereal Aid (flower), Stimulant (fruit), Analgesic (leaf), Ceremonial Medicine (leaf), Febrifuge (leaf), Unspecified (leaf), Dermatological Aid (leaf), Poison (leaf), Orthopedic Aid (leaf), Respiratory Aid (leaf), Stimulant (leaf), Antidiarrheal (leaf), Gastrointestinal Aid (leaf), Blood Medicine (root), Pulmonary Aid (root), Urinary Aid (root), Venereal Aid (root), Tonic (root), Analgesic (root), Anthelmintic (unspecified), Dermatological Aid (unspecified), Blood Medicine (unspecified), Expectorant (unspecified), Tuberculosis Remedy (unspecified), Urinary Aid (unspecified), Respiratory Aid (unspecified), Adjuvant (unspecified), Gynecological Aid (unspecified), Astringent (unspecified), Cancer (unspecified), Colic (unspecified), Debility (unspecified), Diarrhea (unspecified), Fever (unspecified), Poison-Ivy (unspecified), Rheumatism (unspecified), Toothache (unspecified), Flux (unspecified), Medicine (unspecified), Stimulant (unspecified), Parturition (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

It can be grown from seed, layering or rooted suckers.
Mode cuttings seedlings suckers
Germination duration (days) -
Germination temperacture (C°) 21
Germination luminosity -
Germination treatment scarification soaking
Minimum temperature (C°) -23
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Comptonia peregrina leaf picture by William Wattles (cc-by-sa)
Comptonia peregrina leaf picture by kris krishughescraig (cc-by-sa)
Comptonia peregrina leaf picture by J Varner (cc-by-sa)

Flower

Comptonia peregrina flower picture by Jelle Faber (cc-by-sa)
Comptonia peregrina flower picture by William Coville (cc-by-sa)
Comptonia peregrina flower picture by Jessica Higgins (cc-by-sa)

Distribution

Comptonia peregrina world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:64014-2
WFO ID wfo-0000617626
COL ID XJH2
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Comptonia ceterach Myrica comptonia Liquidambar peregrina Myrica aspleniifolia Myrica peregrina Comptonia asplenifolia (l.) l'hér. ex Liquidambar asplenifolia Comptonia peregrina var. aspleniifolia Comptonia peregrina var. tomentosa Comptonia aspleniifolia Comptonia peregrina var. peregrina Myrica aspleniifolia var. tomentosa Comptonia peregrina