White gulmohar (Delonix elata)

White Gul Mohur Creamy Peacock Flower Yellow Gul Mohur
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Delonix elata: White Gul Mohur Tree Guide | Species Overview

Thriving in the arid landscapes of East Africa and the Arabian Peninsula, Delonix elata captures attention with its striking display of color-changing blossoms. This dry-season deciduous tree plays a vital role in its native ecosystems, offering shade and stabilization in harsh desert-like environments. Known for its resilience, it is highly valued both for its ecological functions and its ornamental appeal.

Taxonomy

  • ∟ царство Plantae
  • ∟ division Tracheophytes (Vascular Plants)
  • ∟ subdivision Spermatophytes (Seed plants)
  • ∟ Angiosperms
  • ∟ mesangiosperms (Core angiosperms)
  • ∟ eudicots
  • ∟ Superrosids
  • ∟ rosids
  • ∟ order Fabales
  • ∟ family Fabaceae
  • ∟ subfamily Caesalpinioideae
  • ∟ genus Delonix (Flamboyant tree)
  • ∟ species Delonix elata (White gulmohar)

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Morphology

Delonix elata typically reaches a height of 5 to 15 meters, forming a broad, rounded canopy that provides valuable shade. Its bark is characteristic, displaying a smooth surface that ranges from pale yellow-buff to grey and frequently peels in thin papery layers.

The foliage is twice-pinnately compound, reaching up to 20 centimeters in length and composed of 4 to 8 pairs of pinnae. Key leaf characteristics include:

  • Leaflets: Small, linear-oblong segments measuring up to 15 millimeters long and 3 millimeters wide.
  • Arrangement: Opposite pairing along the rachis with obtuse or acute tips.

The showy flowers are arranged in terminal racemes and exhibit a fascinating color transition, opening as pure white or cream and aging to a deep yellow. The stamens are particularly long, extending up to 10 centimeters, with dark red or purple filaments that create a dramatic contrast. The fruit is a slender, flattened pod measuring 13 to 25 centimeters long, housing 4 to 8 oblong seeds.

Flowering season

May to July, coinciding with the dry season and early rains

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Applications

Due to its resilience and attractive form, Delonix elata is widely cultivated as an ornamental tree along streets and in public parks. Its nitrogen-fixing root nodules enrich the soil, making it valuable for reforestation and soil conservation projects in drylands.

Local communities utilize the tree in several practical ways:

  • Wood: The moderately hard wood is used for crafting local furniture, utensils, and as high-quality firewood.
  • Fodder and Food: In some regions, the leaves serve as animal fodder, while boiled seeds and fresh foliage are occasionally consumed by humans during food shortages.
  • Traditional Medicine: Extracts from the bark, roots, and leaves are prepared to treat joint pain and inflammatory conditions.

Interesting facts

A fascinating feature of Delonix elata is the rapid color shift of its petals, which start as a soft white or cream when opening at dawn and deepen to a golden yellow by the following day. This change signals to pollinators that the flower has already been visited or is ready for pollination.

Additional intriguing features of this tree include:

  • Traditional beliefs: In parts of Pakistan, local folklore suggests that applying or touching the root of the tree can alleviate the pain of scorpion stings.
  • High-altitude resilience: While typically found at elevations up to 1,400 meters, specimens have been recorded growing at extreme altitudes of up to 4,000 meters.

Geography of distribution

  • Egypt
  • Sudan
  • Djibouti
  • Ethiopia
  • Somalia
  • Uganda
  • Kenya
  • Tanzania
  • Saudi Arabia
  • Oman
  • Yemen
  • India
  • Pakistan

Sources

Technical Information

External Databases: GBIF, POWO, Tropicos

See also