All plants

Panoan

Limonia acidissima · Wood apple

Panoan, Limonia acidissima
Photo: AntanO, CC BY-SA 4.0, via Wikimedia Commons
Names in the book
Panoan, Pamunoan, Vis.; Wood-apple, Eng.
Used for
Mouth, teeth and throatDiarrhea and dysenteryStomach and digestionWounds, burns and boilsBites and stings
Colours
flowerred, greenfruitbrown
Native range
India and Sri Lanka
In the Philippines, per the book
Mountains of Angat. Woods of Catugán (Iloilo).
Family
Rutaceae, filed in the book under Rutaceæ
Printed as
Feronia elephantum, Correa. (Murraya adorata, Blanco.)
Sources
Page 69 on Project Gutenberg · Wikipedia

The plant today

Limonia acidissima is the only species within the monotypic genus Limonia. Common names for this South Asian species in English include wood-apple and elephant-apple. It is sometimes also called monkey fruit.

Excerpt from “Limonia acidissima” on Wikipedia, CC BY-SA 4.0.

Recorded in the Philippines

GBIF holds no records of this plant from the Philippines.

Checked against GBIF occurrence records, October 2026.

What the 1901 book says

A historical record, quoted as printed. Doses and remedies here are not medical advice.

Uses

The pulp of the ripe fruit has an agreeable odor and is edible. In India the green fruit is used as an astringent in diarrhœa and dysentery; the ripe fruit is given in diseases of the gums and as a gargle. Mir Muhammad Husain states that the ripe fruit is a refrigerant, astringent, cardiac and general tonic, and is very efficacious in the treatment of salivation and ulcers of the throat, strengthening the gums and operating as an astringent. A sorbet made of the ripe fruit whets the appetite and the pulp is used locally for bites of venomous animals. In the latter case the pulverized bark may be used if the fruit cannot be obtained.

The fruit of Ferona is a substitute for Bael (Ægle Marmelos), and is used as such by the English physicians in the hospitals of India. The tender leaves have an agreeable aroma similar to that of anise and are used internally in decoction as a stomachic and carminative.

The incised trunk exudes a gum which is used in India as a substitute for gum arabic and there is an active trade in this gum in the bazars of Bombay and Calcutta. According to Pereira, it was at one time imported into England from the east of India under the name of gum arabic. It exists in the form of irregular, semitransparent pieces, of a brownish-red color. With water it forms a mucilage as adhesive as gum arabic, and this solution reddens litmus paper. It is dextrogyrous and is precipitated by the neutral acetate of lead and by caustic baryta.

Botanical description

Tree 3–4 meters high. Leaves fragrant, opposite, odd-pinnate. Leaflets, 2 pairs, lanceolate, entire, and glabrous. Common petiole flattened above. Flowers terminal, white, racemose, with 2 flattened peduncles. Calyx inferior, with 5–6 divisions. Corolla, 5–6 petals. Anthers oval. Ovary oblong, 5-lobuled. Style short, caducous. Stigma spindle-shaped. Ovules numerous, compressed, in several series. Fruit pulpy, globose, with woody rind, one compartment and many compressed, oblong seeds.

Recent research

The most cited papers since 2022 that name this plant in the title, pulled from Europe PMC in October 2026. Titles are the authors' own and the findings have not been reviewed here.

  1. Ethanolic Extract from Limonia acidissima L. Fruit Attenuates Serum Uric Acid Level via URAT1 in Potassium Oxonate-Induced Hyperuricemic RatsYusnaini R and others, Pharmaceuticals (Basel), 2023
  2. Cardioprotection of Water Spinach (Ipomoea aquatica), Wood Apple (Limonia acidissima) and Linseed (Linum usitatissimum L.) on Doxorubicin-Induced Cardiotoxicity and Oxidative Stress in Rat ModelMukta MM and others, Nutr Metab Insights, 2023
  3. Microwave-assisted synthesis of Limonia acidissima Groff gum stabilized palladium nanoparticles for colorimetric glucose sensingSeku K and others, J Colloid Interface Sci, 2024
All 13 results on Europe PMC