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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Lamiids
Ordo: Gentianales

Familia: Rubiaceae
Subfamilia: Ixoroideae
Tribus: Pavetteae
Genus: Tennantia
Species: T. sennii

Tennantia Verdc., Kew Bull. 36: 511. (1981)

monotypic taxon


Verdcourt, B. 1981. Kew Bulletin 36: 511.
Govaerts, R. et al. 2019. Tennantia in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2019 Oct. 18. Reference page.
International Plant Names Index. 2019. Tennantia. Published online. Accessed: Oct. 18 2019.

Tennantia is a monotypic genus of flowering plants belonging to the family Rubiaceae.[2] It only contains one known species, Tennantia sennii (Chiov.) Verdc. & Bridson[2][1]

It is a shrub, 1–3 m (3 ft 3 in–9 ft 10 in) tall, with whitish stems that are puberulous when young. The leaf-blades are elliptic to narrowly obovate in shape. They are 1–6.5 cm (0–3 in) long and 0.5–2.9 cm (0–1 in) wide. With rounded and sometimes minutely apiculate at the apex, glabrous or puberulous; stipules are 1–3 mm (0–0 in) long. Calyx with limb-tube about 1.2 mm (0 in) long, with lobes about 0.8 mm (0 in) long. The corolla is white or tinged pink; with the perianth tube 1.5–2 mm (0–0 in) long; the lobes are about 5 mm (0 in) long. The fruit (or seed capsule) is black, 5–6 mm (0–0 in) in diameter and glabrous. The seeds are about 4 mm (0 in) long.[3]

Its native range is from Somalia to Kenya and Tanzania in eastern Tropical Africa.[2]

The genus name of Tennantia is in honour of James Robert Tennant (b. 1928), a British botanist working at Kew Gardens.[4] The Latin specific epithet of sennii honors Lorenzo Senni (1879 - 1954), an Italian botanist who collected the type specimen. Both the genus and the species were first described and published in Kew Bull. Vol.36 on page 511 in 1981.[2][1]

"Tennantia sennii (Chiov.) Verdc. & Bridson". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 23 December 2021.
"Tennantia Verdc. | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 17 March 2021.
"Tennantia sennii in Global Plants on JSTOR". Retrieved 23 December 2021.
Burkhardt, Lotte (2018). Verzeichnis eponymischer Pflanzennamen – Erweiterte Edition [Index of Eponymic Plant Names – Extended Edition] (pdf) (in German). Berlin: Botanic Garden and Botanical Museum, Freie Universität Berlin. doi:10.3372/epolist2018. ISBN 978-3-946292-26-5. Retrieved 1 January 2021.

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