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Lathyrus odoratus L.

Sweetpea (en), Pois de senteur (fr), Gesse odorante (fr)

Species

Angiosperms > Fabales > Fabaceae > Lathyrus

Characteristics

Scrambling annual; stems moderately hairy, angled, winged. Lvs sparsely to moderately hairy; tendril branched; leaflets in 1 pair, ovate to elliptic, acute, 25-60 mm long; veins only weakly or not parallel; stipules ovate-lanceolate with 1 basal lobe, > 1/2 as wide as stem, 8-20 mm long. Infl. much > lvs, 1-3-flowered; pedicels 6-8 mm long. Calyx hairy, slightly gibbous at base; calyx teeth ± equal, triangular, ± = or > tube. Corolla mauve to purple, pink to deep red, blue or white, 25-35 mm long. Pod densely hairy, light brown, 4-10-seeded, 50-70 mm long; seeds reddish brown, finely reticulate-rugose; hilum c. ⅙ of circumference.
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Annual herbs, 50-200 cm tall. Stem climbing, much branched, somewhat hairy, winged. Leaves with branched ten­dril at apex; rachis winged; stipules semisagittate; leaflets 1-paired, ovate-oblong or elliptic, 20-60 × 7-30 mm, with pin­nate veins, rarely subparallel veins, margin entire. Raceme longer than leaf, 1-3(or 4)-flowered. Calyx campanulate, equally toothed and longer than tube. Corolla usually purple, or other colors, 20-30 mm. Ovary linear; style twisted. Legume brown-yellow, linear, 5-7 cm, pubescent. Seeds smooth. Fl. and fr. Jun-Sep.
An annual herb. The stem is hairy and winged. The leaves are compound with two leaflets. These are 2-6 cm long by 7-30 mm wide. There are 1-3 flowers in a group. They can be white, pink, purple or blue.
A wing-stemmed annual with fragrant fls 2–4 cm, occasionally escapes, but apparently does not persist.
Life form annual
Growth form herb
Growth support climber
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread barochory
Mature width (meter) 0.1 - 0.5
Mature height (meter) 1.5 - 2.0
Root system -
Rooting depth (meter) -
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 a temperate climate plant.
More
Not known
Light 5-9
Soil humidity 4-6
Soil texture 1-6
Soil acidity 3-8
Soil nutriment -
Hardiness (USDA) 8-11

Usage

The seeds are eaten boiled and seasoned with oil and salt and pepper. They are used in omelettes and stews.
Uses environmental use essential oil fodder food gene source material medicinal oil ornamental perfumery poison
Edible fruits seeds
Therapeutic use Antifungal agents (flower), Poison (unspecified), Repellant(Insect) (unspecified)
Human toxicity weak toxic (seed)
Animal toxicity toxic (seed)

Cultivation

Can be grown by seedlings. Seeds needs soaking.
Mode seedlings
Germination duration (days) 15 - 25
Germination temperacture (C°) 17 - 20
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Lathyrus odoratus habit picture by kafaktor (cc-by-sa)
Lathyrus odoratus habit picture by Daniel Bourget (cc-by-sa)

Leaf

Lathyrus odoratus leaf picture by Bernard SAUVIGNET (cc-by-sa)
Lathyrus odoratus leaf picture by morgane rose (cc-by-sa)
Lathyrus odoratus leaf picture by Karen J (cc-by-sa)

Flower

Lathyrus odoratus flower picture by styx (cc-by-sa)
Lathyrus odoratus flower picture by herve daily (cc-by-sa)
Lathyrus odoratus flower picture by Cristina Gaspar Marques (cc-by-sa)

Fruit

Lathyrus odoratus fruit picture by Yann Blanchant (cc-by-sa)
Lathyrus odoratus fruit picture by Potůček Petr (cc-by-sa)
Lathyrus odoratus fruit picture by Ammar SMATI (cc-by-sa)

Distribution

Lathyrus odoratus world distribution map, present in Armenia, Australia, Austria, Azerbaijan, Belarus, Brazil, Bhutan, Canada, China, Cyprus, Dominican Republic, Algeria, Spain, Estonia, Ethiopia, Fiji, France, Ghana, Haiti, Indonesia, India, Iraq, Italy, Kazakhstan, Libya, Sri Lanka, Lithuania, Latvia, Moldova (Republic of), Mexico, Mauritius, Nepal, New Zealand, Pakistan, Peru, Papua New Guinea, Portugal, Réunion, Russian Federation, Rwanda, El Salvador, Tajikistan, Turkmenistan, Ukraine, United States of America, and Uzbekistan

Conservation status

Lathyrus odoratus threat status: Critically Endangered

Identifiers

LSID urn:lsid:ipni.org:names:501909-1
WFO ID wfo-0000212700
COL ID 3SKYF
BDTFX ID 37979
INPN ID 105237
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Lathyrus cyprius Lathyrus odoratus-zeylanicus Lathyrus maccaguenii Pisum odoratum Lathyrus odoratus f. pleniflorus Lathyrus odoratus var. albus Lathyrus odoratus var. ater Lathyrus odoratus var. carneus Lathyrus odoratus var. pardalinus Lathyrus odoratus var. roseoalbus Lathyrus odoratus var. roseovittata Lathyrus odoratus var. vulgaris Lathyrus odoratus
WorldFloraDB 2024