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Nabat Oman
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Fabaceae

Arabian Indigo

Indigofera arabica Jaub. & Spach

نيلة، شجرة أرنب، نبتة الزلل

For people

Eaten by people
Unknown
Toxic to people
Unknown

For livestock

Grazed by livestock
Good fodder
Toxic to livestock
Unknown
AbundanceCommonChecked against sources on 8 Oct 2026

Edibility and safety notes

No reliable information was found on whether people eat this plant or whether it is poisonous, so it should not be eaten. The Omani field guide rates it as good grazing for livestock, but no second source confirming this was found. Some other Indigofera species contain the liver toxin indospicine and have poisoned livestock; this species has not been tested in any source found.

This guide is a hobby project, not expert advice. Never eat a wild plant, or feed it to animals, on the strength of this page alone. Read the disclaimer

Description

A small shrub or perennial herb 30-60 cm tall, much-branched, erect or ascending. Branches grey-green, ribbed, hairy. Leaves pinnate with 5-9 leaflets; leaflets obovate to oblong, 3-8 x 2-5 mm, concave, hairy on both surfaces. Inflorescence a short axillary raceme. Flowers small, red or pink. Fruit a straight or slightly curved, cylindrical pod 10-15 mm long, with 4-8 almost cube-shaped seeds.

Habitat

Gravel wadis and among rocks; also sand and gravel plains and mountain tops.

Distribution

Native to northeastern tropical Africa, Sinai, the Arabian Peninsula, and Pakistan.

Pastoral value

Rated as good grazing by the Omani field guide; no independent source on its forage value was found.

Other uses

No documented traditional or economic uses were found for this species. It is a wild relative of true indigo (Indigofera tinctoria).

Sources

  • الدليل الحقلي المصور للنباتات البرية في سلطنة عُمان (BOOK.pdf p.112)
  • Plants of the World Online — Indigofera arabica Jaub. & Spach — powo.science.kew.org
  • UAE National Red List of Vascular Plants — Indigofera arabica — nationalredlist.org
  • Abu Dhabi DoH, Medicinal Plants of the UAE — Indigofera intricata (note on toxic Indigofera species) — medicinalplants.doh.gov.ae
  • Accumulation, persistence and effects of indospicine residues in camels fed Indigofera plant (record) — update.library.uitm.edu.my

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