''Buddleja domingensis'' is a species endemic to the uplands of

Haiti Haiti (; ht, Ayiti ; French: ), officially the Republic of Haiti (); ) and formerly known as Hayti, is a country located on the island of Hispaniola in the Greater Antilles archipelago of the Caribbean Sea, east of Cuba and Jamaica, and ...

and the

Dominican Republic The Dominican Republic ( ; es, República Dominicana, ) is a country located on the island of Hispaniola in the Greater Antilles archipelago of the Caribbean region. It occupies the eastern five-eighths of the island, which it shares wit ...

, growing in rocky, limestone ravines, along forest edges and roadsides; it was first described and named by

Ignatz Urban Ignatz Urban (7 January 1848 – 7 January 1931) was a German botanist. He is known for his contributions to the flora of the Caribbean and Brazil, and for his work as curator of the Berlin Botanical Garden. Born the son of a brewer, Urban s ...

in 1908.Urban, I. (1908). ''Symb. antill.'' 5: 460, 1908.Norman, E. M. (2000). Buddlejaceae. ''Flora Neotropica 81''. New York Botanical Garden, USA

Description

''Buddleja domingensis'' is a

dioecious Dioecy (; ; adj. dioecious , ) is a characteristic of a species, meaning that it has distinct individual organisms (unisexual) that produce male or female gametes, either directly (in animals) or indirectly (in seed plants). Dioecious reproductio ...

or possibly

trioecious Trioecy, or subdioecy, is a rare sexual system characterized by the coexistence of males, females, and hermaphrodites. It has been found in both plants and animals. Trioecy is sometimes referred to as a mixed mating system alongside androdioecy an ...

shrub or small tree 2–6 m high, with subquadrangular, lanate young branches bearing leaves with petioles 1–2 cm long, membranaceous ovate-lanceolate to lanceolate 13–24 cm long by 3–8 cm wide,

tomentose Trichomes (); ) are fine outgrowths or appendages on plants, algae, lichens, and certain protists. They are of diverse structure and function. Examples are hairs, glandular hairs, scales, and papillae. A covering of any kind of hair on a plant ...

glabrescent Glabrousness (from the Latin ''glaber'' meaning "bald", "hairless", "shaved", "smooth") is the technical term for a lack of hair, down, setae, trichomes or other such covering. A glabrous surface may be a natural characteristic of all or part of ...

above, lanate below. The yellow

inflorescences An inflorescence is a group or cluster of flowers arranged on a Plant stem, stem that is composed of a main branch or a complicated arrangement of branches. Morphology (biology), Morphologically, it is the modified part of the shoot of sperma ...

are 10–27 cm long, with one or rarely two orders of branches, comprising heads 1.5–2.5 cm in diameter, each with 20–50 flowers, borne in leafy-bracted

racemes A raceme ( or ) or racemoid is an unbranched, indeterminate type of inflorescence bearing flowers having short floral stalks along the shoots that bear the flowers. The oldest flowers grow close to the base and new flowers are produced as the s ...

; the corolla tubes are 3–3.5 mm long.

Ploidy Ploidy () is the number of complete sets of chromosomes in a cell (biology), cell, and hence the number of possible alleles for Autosome, autosomal and Pseudoautosomal region, pseudoautosomal genes. Sets of chromosomes refer to the number of mat ...

: ''2n'' = 38 (diploid).

Cultivation

The species is not known to be in cultivation.

Etymology

The species has been given the specific epithet "domingensis", as it occurs on the island of

Hispaniola Hispaniola (, also ; es, La Española; Latin and french: Hispaniola; ht, Ispayola; tnq, Ayiti or Quisqueya) is an island in the Caribbean that is part of the Greater Antilles. Hispaniola is the most populous island in the West Indies, and th ...

. This island was historically called

Santo Domingo , total_type = Total , population_density_km2 = auto , timezone = AST (UTC −4) , area_code_type = Area codes , area_code = 809, 829, 849 , postal_code_type = Postal codes , postal_code = 10100–10699 (Distrito Nacional) , websi ...

, or

Saint-Domingue Saint-Domingue () was a French colony in the western portion of the Caribbean island of Hispaniola, in the area of modern-day Haiti, from 1659 to 1804. The name derives from the Spanish main city in the island, Santo Domingo, which came to refer ...

References

{{Taxonbar, from=Q4984626 domingensis Flora of Haiti Flora of the Dominican Republic Flora without expected TNC conservation status