White Flamboyant (Delonix leucantha)

Silhouette: T. Michael Keesey / License

Delonix leucantha - White-Flowered Deciduous Tree of Madagascar

Endemic to the seasonally dry deciduous forests of Madagascar, the striking tropical tree Delonix leucantha belongs to the Fabaceae family. This species is recognized for its unique growth habit and its white flowers that darken to apricot-yellow with age.

It occurs in fragmented populations across limestone karsts and dry woodlands. Botanists recognize three distinct subspecies, each adapted to specific microclimates and soil conditions on the island.

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 leucantha (White Flamboyant)

Living Pulse

Morphology

Growing as a deciduous tree, this species can reach heights of up to 15 meters and often develops a swollen trunk. The foliage consists of large, bipinnate leaves with numerous small leaflets that provide a light, feathery canopy.

The conspicuous flowers open white or cream-colored and gradually mature to a warm apricot-yellow shade. Long, prominent stamens project from the corolla, which is adapted to attract nocturnal pollinators like hawkmoths.

Applications

Although not widely used in commercial forestry, this species plays a vital role in stabilizing soil and providing habitat in dry Malagasy forests. Its wood is occasionally harvested locally for fuel or simple construction.

Interesting facts

  • The species name leucantha is derived from Greek words meaning "white-flowered," describing the initial color of its blossoms.
  • It is divided into three distinct subspecies, including bemarahensis, which is native to the Tsingy de Bemaraha limestone region.
  • The flowers change color from white to yellow-apricot after pollination, signaling to insect visitors.

Geography of distribution

  • Madagascar

Natural varieties

Technical Information

External Databases: GBIF, POWO, Tropicos

See also