Ptelea trifoliata L.

Common hoptree (en), Orme de Samarie (fr), Ptélée trifolié (fr), Orme à trois feuilles (fr)

Species

Angiosperms > Sapindales > Rutaceae > Ptelea

Characteristics

Shrub or small tree; lvs long-petioled; lfls sessile, ovate or elliptic to rhombic or ovate-oblong, the lateral ones oblique; cymes 4–8 cm wide; pet oblong, pubescent, 4–7 mm; filaments pubescent; fr 15–25 mm wide, reticulate-veiny, with the odor of hops; 2n=42. Moist or rich woods and thickets; widespread in Mex. and sw. U.S., n. and e. to Kans., s. Wis., s. Mich., O., N.C., and Fla., and irregularly to s. Que., Vt., w. N.Y., N.J., and Va. May, June. Our plants all belong to ssp. trifoliata, most of them to the glabrous or inconspicuously pubescent var. trifoliata. The mainly more southern var. mollis Torr. & A. Gray, with the lvs and twigs evidently pubescent, the lvs densely so beneath, extends n. into our range as far as D.C. and is disjunct on sand-dunes along the s. shore of Lake Michigan, where it has been called var. deamiana.
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A very small tree. It grows up to 8 m tall. The trunk is 15 cm across. The trunk is often branched. The crown is irregular and rounded. It loses its leaves during the year. The leaves are alternate and compound. There are 3 leaflets and the main stalk is 10-15 cm long. The leaflets are 10-15 cm long. They have a sharp point. They narrow below the middle. The upper surface is dark shiny green and it is paler underneath. It has a lemon smell when crushed. The flowers are small and greenish-white. They are in clusters at the tips of the shoots. The male and female flowers are separate usually on separate trees. The fruit are flat and 1-2 seeded. There is a wing around the seed case. This is 25 mm across.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 2.25 - 3.0
Mature height (meter) 6.0
Root system -
Rooting depth (meter) 0.8
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is native to E. North America. It grows along shorelines and on dry rocky soils. It can tolerate part shade. It flowers only in full sunlight. It suits hardiness zones 5-10.
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Moist places, rocky slopes, edges of woods, alluvial thickets and gravels. It is found in many different soil types.
Light 4-8
Soil humidity 5-8
Soil texture 1-6
Soil acidity 2-7
Soil nutriment -
Hardiness (USDA) 5-8

Usage

The bitter fruit have been used as a substitute for hops in flavouring beer. They also make yeast rise more rapidly. The fruit have also been ground and used as a condiment.
Uses food material medicinal wood
Edible fruits seeds
Therapeutic use Adjuvant (bark), Adjuvant (root), Panacea (root), Pulmonary Aid (root), Analgesic (unspecified), Antiseptic (unspecified), Asthma (unspecified), Astringent (unspecified), Chill (unspecified), Decongestant (unspecified), Digestive (unspecified), Dyspepsia (unspecified), Fever (unspecified), Intoxicant (unspecified), Malaria (unspecified), Orexigenic (unspecified), Rheumatism (unspecified), Stimulant (unspecified), Stomachic (unspecified), Tonic (unspecified), Vermifuge (unspecified), Vulnerary (unspecified), Detersive (unspecified), Expectorant (unspecified), Convulsion (unspecified), Skin (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) 3
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Ptelea trifoliata leaf picture by Player 3T6 (cc-by-sa)
Ptelea trifoliata leaf picture by Yelmo Yelmo Rad (cc-by-sa)
Ptelea trifoliata leaf picture by Avsar Topal (cc-by-sa)

Flower

Ptelea trifoliata flower picture by Avsar Topal (cc-by-sa)
Ptelea trifoliata flower picture by Anke Schwan (cc-by-sa)
Ptelea trifoliata flower picture by Séverine Mourgues (cc-by-sa)

Fruit

Ptelea trifoliata fruit picture by Hartmut Hommens (cc-by-sa)
Ptelea trifoliata fruit picture by Vincent Dujardin (cc-by-sa)
Ptelea trifoliata fruit picture by Was Tamas (cc-by-sa)

Distribution

Ptelea trifoliata world distribution map, present in Bulgaria, Canada, China, Germany, France, Hungary, Romania, Russian Federation, Slovakia, Tajikistan, United States of America, and Uzbekistan

Conservation status

Ptelea trifoliata threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:774969-1
WFO ID wfo-0000471373
COL ID 4PSYD
BDTFX ID 53813
INPN ID 116263
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Ptelea pentaphylla Ptelea aquilina Ptelea microphylla Ptelea isophylla Ptelea mesochora Ptelea viticifolia Ptelea carolina Ptelea toxicodendron Dodonaea trifoliata Ptelea serrata Ptelea microcarpa Ptelea baldwinii Ptelea trifoliata f. trifoliata Ptelea acutifolia Ptelea trifoliata var. trifoliata Ptelea trifoliata subsp. trifoliata Ptelea obcordata Ptelea trifoliata var. pentaphilla Ptelea trifoliata

Lower taxons

Ptelea trifoliata subsp. coahuilensis Ptelea trifoliata var. confinis Ptelea trifoliata subsp. pallida Ptelea trifoliata var. pumila Ptelea trifoliata subsp. angustifolia Ptelea trifoliata var. persicifolia Ptelea trifoliata subsp. polyadenia Ptelea baldwinii subsp. crenulata Ptelea trifoliata var. mollis Ptelea trifoliata var. lutescens