Rubia agostinhoi

Rubia agostinhoi is a climbing plant species of the Rubiaceae family endemic to the Azores [1] It was defined by ecologist Pierre Dansereau and Pinto da Silva in 1977.[2]

Rubia agostinhoi
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Gentianales
Family: Rubiaceae
Genus: Rubia
Species:
R. agostinhoi
Binomial name
Rubia agostinhoi
Synonyms[1]
  • Rubia peregrina subsp. agostinhoi (Dans. & P.Silva) Valdés Berm. & G.López

Description

Rubia agostinhoi has branched, glabrous, brushed or smooth stems, up to 3 metres (9.8 ft) long. It has narrowly elliptical to linear or oblanceolate leathery, dark green leaves with very small, slightly revolted spines in the margins. Leaves of the side shoots are shorter and smaller in length than those of the main stem. Flower stems are 1–6 centimetres (0.39–2.36 in) long and usually very flowery. Fruits are 5–10 millimetres (0.20–0.39 in), globose and shiny black when ripe.[3]

Distribution and Habitat

It is present in all of the Azorean islands, except Graciosa. It is commonly found in ravines, craters, natural forests and heather bushes. From sea level to altitudes above 1,000 metres (3,300 ft).[4]

References
  1. "Species Details : Rubia agostinhoi Dans. & P.Silva". Catalogue of Life. Retrieved 30 November 2020.
  2. Conservatoire Et Jardin Botaniques Ville De Geneve. "African Plant Database". Retrieved 9 March 2020.
  3. "Rubia agostinhoi Dans. & P. Silva". www3.uma.pt. Retrieved 30 November 2020.
  4. "Rubia agostinhoi Dans. & P.Silva". Flora-on. Retrieved 30 November 2020.
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