Abelmoschus esculentus Moench

Okra (en)

Species

Angiosperms > Malvales > Malvaceae > Abelmoschus

Characteristics

Herb or suffrutex, the stem up to 2.5 m high, glabrous or sparsely setulose. Leaves with the petiole 5-20 cm long, setulose, the stipules subulate, up to 12 mm long, setulose, early caducous; blade subcircular in outline and up to 20 cm in diam, cuneate to truncate to cordate at the base, palmatilobed,-cleft or-fid, the segments deltoid-ovate-to narrowly elliptic or oblanceolate, acute at the apex, finely to coarsely serrate at the margin, 3-or 5(-7)-palminerved, sparsely setulose espe-cially along the prominent veins beneath. Flowers solitary in the uppermost leaf axils, the pedicel stout, terete, enlarged near the apex, 5-15 mm long, up to 2.5 cm long and much thickened in fruit, setulose; epicalyx bractlets 8-12, linear-lanceollate, 12-15 mm long, setulose, caducous; calyx 5-dentate, up to 2.5 cm long, setulose; petals asymmetrical, rounded at the apex, 3-4(-6) cm long, yellow with dark red or purple basal spots; staminal tube about l2 as long as the corolla; styles exceed-ing slightly the staminal tube. Capsule oblong to narrowly oblong-ovate, long-acuminate, 5-angulate, 7.5-16 cm long and 1.5-2.5 cm in diam, densely short-hirsute when young, at length glabrescent; seeds globose-reniform, ca 5 mm in diam, glabrous or minutely stellate-puberulus or sometimes pilose.
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Herbs annual, 1-2 m tall, most parts with very sparse prickly hairs. Stem often hollow. Stipule filiform, 7-10 mm, sparsely hirsute; petiole 7-15(-35) cm, long hirsute, often with pubescent adaxial groove; leaf blade palmately 3-7-lobed, (5-)10-30 cm in diam., lobes broad to narrow, sparsely hirsute on both surfaces, margin sparsely dentate and emarginate. Flowers solitary, axillary. Pedicel (0.5-)1-2(-5) cm, sparsely strigose. Epicalyx lobes 7-10(-12), filiform, 5-18 × 1-2.5 mm, sparsely hirsute. Calyx campanulate, 2-3 cm, densely stellate puberulent. Corolla yellow or white with dark purple center, 5-7 cm in diam.; petals obovate, 3.5-5 × 3-4 cm. Filament tube 2-2.5 cm. Capsule cylindric to tower-shaped, 10-25 × 1.5-2(-3) cm, long beaked, sparsely strigose. Seeds dark brown or gray, globose to reniform, 5-15 per locule, (3-)4-5(-6) mm, striate, minutely warty. Fl. May-Sep.
A tropical annual herb. It grows erect, often with hairy stems. It mostly grows about 1 m tall but can be 3.5 m tall. It becomes woody at the base. The leaves have long stalks up to 30 cm long. Leaves vary in shape but are roughly heart shaped with lobes and teeth along the edge. Upper leaves are more deeply divided than lower ones. The flowers are yellow with red hearts. The fruits are green, long and ribbed. They have 5-7 ribs. They are 7.5-15 cm long. The seeds are 4-5 mm across. They are round and dark green. Many varieties exist.
Plants 1–2 m. Stems often red blotched, coarse. Leaf blades scarcely lobed to palmately divided, 10–25 cm, ± broader than long. Pedicels not articulated, stout; involucellar bractlets linear, to 2.5 cm. Flowers: corolla to 8 cm diam.; staminal column anther-bearing from near base, apex 5-toothed. Capsules cylindric, slightly 5-angled, beaked, 8–30 cm. 2n = 72, 108, 118, 120, 122, 130, 132, 144.
Leaf-lamina up to 25 × 25 cm., suborbicular in outline, palmatifid,-lobed or-sect, sparsely to densely setulose or setose-pilose on both surfaces especially on the nerves, margins serrate, base cuneate to cordate; petiole up to 30 cm. long; stipules up to 15 mm. long, filiform, densely pilose.
Seeds 5 × 4 mm., depressed-globose, slightly humped, with concentric lines of minute stellate hairs or scales and sometimes pilose.
Capsule up to 14 cm. long, ellipsoid to very narrowly ellipsoid, at first appressed-setose and pubescent, later glabrescent.
Flowers up to 8 cm. in diam., yellow with purple centre; peduncle 1–4 cm. long, stout, thickened in fruit.
Epicalyx of 10–12 bracts; bracts up to 25 × 2·5 mm., narrowly linear-triangular, caducous.
Staminal tube 12–20 mm. long; free parts of filaments up to 0·5 mm. long.
Annual herb up to 2 m. tall; stems succulent, setulose.
Style projecting up to 1 mm. beyond the staminal tube.
Calyx 3–4 cm. long, with 5 short linear teeth.
Petals up to 7–8 cm. long.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 1.5
Mature height (meter) 1.0 - 1.5
Root system -
Rooting depth (meter) 0.5
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

A tropical plant. It suits the hot humid tropical lowlands but is unsuited to the highlands. It cannot tolerate drought. It is very sensitive to frost. It can grow in salty soils. They grow best where temperatures are between 20-36°C. It can grow well in dry climates with irrigation. It suits hot humid environments. It does best on well drained well manured soils but will grow on many soils. A pH or 5.5-7.0 is best. It suits plant hardiness zones 8-12. In Yunnan.
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Not known in a truly wild situation.
Not known in a truly wild situation.
Light 6-8
Soil humidity 3-6
Soil texture 1-6
Soil acidity 3-9
Soil nutriment -
Hardiness (USDA) 9-11

Usage

Pods are eaten cooked. They are slimy, but less so if fried. They are also less sticky if a little lemon is added. Dried powdered seeds can be used in soups. It thickens the soup. They can also be pickled. Young leaves can be eaten cooked. They can be dried and stored. Flowers can also be eaten. Okra is frozen and canned. The seeds are roasted and used as a coffee substitute.
Uses animal food coffee substitute environmental use essential oil fiber fibre food food additive fuel gene source insect repellent material medicinal ornamental poison potherb rubber social use technical vertebrate poison
Edible flowers fruits leaves pods roots seeds stems
Therapeutic use Dysuria (unspecified), Migraine disorders (flower), Antineoplastic agents (fruit), Aphrodisiacs (fruit), Common cold (fruit), Demulcents (fruit), Diarrhea (fruit), Diet, food, and nutrition (fruit), Digestive system diseases (fruit), Diuretics (fruit), Dysentery (fruit), Emollients (fruit), Exanthema (fruit), Fever (fruit), Gonorrhea (fruit), Sexually transmitted diseases (fruit), Angiotensin-converting enzyme inhibitors (leaf), Anthelmintics (leaf), Anti-inflammatory agents (leaf), Astringents (leaf), Digestive system diseases (leaf), Dyspepsia (leaf), Eye diseases (leaf), Graves ophthalmopathy (leaf), Helminthiasis (leaf), Inflammation (leaf), Intestinal diseases, parasitic (leaf), Malaria (leaf), Migraine disorders (leaf), Skin diseases (leaf), Hypoglycemic agents (plant exudate), Angiotensin-converting enzyme inhibitors (root), Anti-inflammatory agents (root), Diuretics (root), Edema (root), Inflammation (root), Kidney diseases (root), Pain (root), Thirst (root), Cooling effect on body (root), Antifungal agents (seed), Antineoplastic agents (seed), Bites and stings (seed), Parasympatholytics (seed), General tonic for rejuvenation (seed), Angiotensin-converting enzyme inhibitors (stem), Migraine disorders (stem), Abortifacient (unspecified), Antidote (unspecified), Boil (unspecified), Burn (unspecified), Catarrh (unspecified), Coffee (unspecified), Colic (unspecified), Cordial (unspecified), Demulcent (unspecified), Diarrhea (unspecified), Diuretic (unspecified), Dyspepsia (unspecified), Emollient (unspecified), Gonorrhea (unspecified), Inflammation (unspecified), Intestine (unspecified), Lactogogue (unspecified), Leprosy (unspecified), Parturition (unspecified), Pectoral (unspecified), Scald (unspecified), Sore (unspecified), Spasm (unspecified), Stimulant (unspecified), Sudorific (unspecified), Syphilis (unspecified), Toothache (unspecified), Tumor (unspecified), Whitlow (unspecified), Abscess (unspecified), Aphrodisiac (unspecified), Gum (unspecified), Labor (unspecified), Pregnancy (unspecified), Wound (unspecified), Abdominal pain (unspecified), Analgesics (unspecified), Anemia (unspecified), Antipruritics (unspecified), Aphrodisiacs (unspecified), Appetite stimulants (unspecified), Asthenia (unspecified), Common cold (unspecified), Demulcents (unspecified), Diuretics (unspecified), Dysentery (unspecified), Disorder of ejaculation (unspecified), Emollients (unspecified), Hematologic diseases (unspecified), Urination disorders (unspecified), Urethral discharge (unspecified), Antioxidants (unspecified), Lipid peroxidation (unspecified), Liver diseases (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

They are grown from seeds. Seeds are easy to collect. They need high temperatures for germination (over 20°C) and a sunny position. Often seeds are soaked for 24 hours before sowing to give quick germination. Seeds are sown 1.5-2.5 cm deep with 2-3 seeds per hole. Later these are thinned out to one plant. Seeds can be sown in nurseries and plants transplanted. Pinching out the tops of plants when 30 cm high encourages branching. To select seed of a particular variety seed plants must be separated 400 m from other varieties. A spacing of about 90 x 45 cm is suitable. About 8-10 kg of seed are required for one hectare. Most kinds respond to fertiliser. Seeds do not breed true and can cross with other kinds of okra growing nearby. This is not normally a problem but simply means plants and fruit are not all the same.
Mode seedlings
Germination duration (days) 13 - 22
Germination temperacture (C°) 22 - 24
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) 20 - 30
Size -
Vigor -
Productivity -

Images

Habit

Abelmoschus esculentus habit picture by Sudhanshu Kumar (cc-by-sa)

Leaf

Abelmoschus esculentus leaf picture by ifp660 (cc-by-sa)
Abelmoschus esculentus leaf picture by Ronald Mexico (cc-by-sa)
Abelmoschus esculentus leaf picture by Serge AKAGAH (cc-by-sa)

Flower

Abelmoschus esculentus flower picture by David Laming (cc-by-sa)
Abelmoschus esculentus flower picture by Serge AKAGAH (cc-by-sa)
Abelmoschus esculentus flower picture by Muhammad Ahmad Bakari (cc-by-sa)

Fruit

Abelmoschus esculentus fruit picture by Francois Demont (cc-by-sa)
Abelmoschus esculentus fruit picture by Pankaj Sharma (cc-by-sa)
Abelmoschus esculentus fruit picture by Sudhanshu Kumar (cc-by-sa)

Distribution

Abelmoschus esculentus world distribution map, present in Afghanistan, Angola, Albania, Antigua and Barbuda, Benin, Bonaire, Sint Eustatius and Saba, Burkina Faso, Bangladesh, Bulgaria, Bahamas, Belize, Bolivia (Plurinational State of), Brazil, Barbados, Bhutan, Central African Republic, China, Cameroon, Congo, Cook Islands, Colombia, Costa Rica, Cuba, Dominican Republic, Algeria, Egypt, Fiji, Gabon, Guinea, Guadeloupe, Equatorial Guinea, Greece, Guatemala, Guam, Honduras, Croatia, Haiti, India, Jamaica, Kenya, Cambodia, Lao People's Democratic Republic, Sri Lanka, Morocco, Madagascar, Mexico, Marshall Islands, Myanmar, Mozambique, Mauritania, Martinique, Mauritius, Nicaragua, Niue, Nepal, Pakistan, Panama, Peru, Philippines, Palau, Puerto Rico, Réunion, Romania, Russian Federation, Saudi Arabia, Sudan, El Salvador, South Sudan, Sao Tome and Principe, Turks and Caicos Islands, Chad, Togo, Thailand, Trinidad and Tobago, Turkey, Taiwan, Province of China, Ukraine, United States of America, Venezuela (Bolivarian Republic of), Viet Nam, South Africa, Zambia, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:558006-1
WFO ID wfo-0000510862
COL ID 8JZL
BDTFX ID -
INPN ID 447298
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Abelmoschus longifolius Abelmoschus bammia Abelmoschus praecox Hibiscus hispidissimus Hibiscus bammia Hibiscus esculentus Hibiscus ficifolius Hibiscus aculeatus Hibiscus longifolius Abelmoschus officinalis Abelmoschus tuberculatus Hibiscus praecox Abelmoschus tuberculatus var. deltoidefolius Hibiscus esculentus var. praecox Hibiscus esculentus var. textilis Abelmoschus esculentus