Buddleja thyrsoides

Buddleja thyrsoides is a lowland species endemic from southern Paraguay to the deltas of the Río de la Plata and Paraná River in Brazil, Argentina and Uruguay.[1] The species was first described and named by Lamarck in 1792.[2]

Buddleja thyrsoides
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Scrophulariaceae
Genus: Buddleja
Species:
B. thyrsoides
Binomial name
Buddleja thyrsoides

Description

Buddleja thyrsoides is a dioecious shrub 1 – 3. m tall, with tan bark, the young branches covered with white tomentum. The leaves are sessile or subsessile, linear or linear-lanceolate, the blade 7 – 15 cm long by 0.4 – 3 cm wide, subcoriaceous, glabrescent above, and white tomentose below. The fragrant white leafy inflorescences are 5 – 15 cm long by 2 – 3 cm wide, comprising 1 – 2 orders of branches, 0.5 – 2 cm long with cymose clusters of 5 – 15 flowers; the tubular corollas 3 – 4 mm long.[1]

Subspecies

Norman identifies two subspecies distinguished by narrower seeds and denser tomentum resp.:[1]

  • Buddleja thyrsoides subsp. angusticarpa
  • Buddleja thyrsoides subsp. thyrsoides (synonyms= Buddleja chloroleuca Kraenzl., Buddleja salicifolia Vahl.)

Cultivation

Neither the species nor its subspecies are known to be in cultivation.

References
  1. Norman, E. M. (2000). Buddlejaceae. Flora Neotropica 81. New York Botanical Garden, USA
  2. Lamarck, J-B. (1792). Tabl. encycl. 1: 291, 1792
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