Anubias afzelii

Anubias afzelii is a species belonging to the Aroid genus Anubias. It was first described scientifically by Heinrich Wilhelm Schott in 1857, based on material collected in Sierra Leone by Adam Afzelius, after whom the species was named.[1] The genus Anubias was described simultaneously, with only A. afzellii belonging to it, which therefore is the type species of the genus.[2] No other species currently placed in the genus Anubias was described earlier (in a different genus) and A. afzelii was therefore the first species of this genus known to science.[2]

Anubias afzelii
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Alismatales
Family: Araceae
Genus: Anubias
Species:
A. afzelii
Binomial name
Anubias afzelii

Distribution

West Africa: Senegal, Guinea, Sierra Leone, and Mali.[2]

Description

Anubias afzelii has elongated, leathery leaf blades that can be up to 35 cm long and 13 cm wide. The leaf stems are generally shorter than the blade. The leaves are set on a creeping and rooting rhizome that is 1–4 cm thick. The spathe is 3–7 cm long (exceptionally up to 9 cm long) and has a 13–32 cm long peduncle. The spadix is 5–8 cm long (exceptionally up to 12 cm long) and slightly longer than the spathe, so that the tip slightly protrudes from it. The upper part is covered with male flowers, of which the 5-6 stamens are fused into synandria, with the thecae on its sides. The lower part of the spadix is covered with female flowers that are reduced to the ovary and stigma.[2]

Ecology

The plant grows in wet, shady places and flowers from the end of March to July, fruiting from April to September.[3] It generally grows emerged, but can sometimes be completely submerged.

Cultivation

This plant grows best when only partially submersed and not crowded by other plants and is most suited for the paludarium, but can also be used in larger aquariums, where it grows very slowly. It does not require much light. It prefers a temperature range of 22-26 °C. It can be propagated by dividing the rhizome, but seed-propagation is not difficult either.[4]

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References
  1. Schott, H. (December 1857). "Aroideen Skizzen". Österreichisches Botanisches Wochenblatt (in German and Latin). 7 (50): 398–399. doi:10.1007/BF02071618.
  2. Crusio, W. (1979). "A revision of Anubias Schott (Araceae). (Primitiae Africanae XII)". Mededelingen Landbouwhogeschool Wageningen. 79 (14): 1–48.
  3. Crusio WE (1987). "Die Gattung Anubias SCHOTT (Araceae)". Aqua Planta (in German). Sonderheft (1): 1–44.
  4. Christel Kasselmann (1995). Aquarienpflanzen (in German). Stuttgart, Germany: Eugen Ulmer. p. 472. ISBN 1-57524-091-2.
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