Racemose Brandisia (Brandisia racemosa)

Zonghua laijiangteng
Silhouette: T. Michael Keesey / License

Brandisia racemosa - Botanical Description and Distribution

Occupying forest margins and montane scrublands of southwestern China, Brandisia racemosa grows as a vigorous climbing shrub. This species belongs to the family Paulowniaceae and stands out due to its flowering structure.

The plant climbs over surrounding shrubs and trees to gain exposure to sunlight. Its growth is typical of the climbing species within the genus, contributing to the structural complexity of its native ecosystems.

Taxonomy

Morphology

The morphology of this species is distinguished from its close relatives by its inflorescence type. Key botanical features include:

  • Stems and Hairs: The young branches are densely covered with a soft, yellowish-brown, star-shaped (stellate) woolly pubescence.
  • Leaves: The opposite leaves are ovate-oblong to lanceolate, with entire margins, a rounded to subcordate base, and a pointed apex.
  • Inflorescence: Unlike many other species in the genus that bear solitary flowers, this species produces distinct terminal racemes.
  • Flowers: Each flower features a campanulate calyx and a tubular corolla, which is usually orange-red to reddish and covered in fine hairs.

Interesting facts

The specific epithet racemosa is derived from Latin, referring to the raceme arrangement of its flowers, which sets it apart from solitary-flowered congeners.

Its dense woolly hairs serve as an effective thermoregulatory layer, shielding the delicate growing tissues from sudden temperature drops in high-altitude environments.

Geography of distribution

  • Guizhou
  • Yunnan

Sources

  • Plants of the World Online (POWO): Taxonomy, naming authority, and geographic range records.
  • World Flora Online (WFO): Global plant database and nomenclature tracking.
  • Flora of China: Diagnostic keys, morphology, and altitude ranges in southwestern provinces.

Technical Information

External Databases: GBIF, POWO, Tropicos