Adiantum - Adiantaceae

Adiantum vogelii Mett. ex Keyserl.

Photo: BT. Wursten
Democratic Republic of Congo

Photo: BT. Wursten
Democratic Republic of Congo

Photo: BT. Wursten
Democratic Republic of Congo

 

 

 

 

Synonyms

Adiantum tetraphyllum Willd. var. obtusum Mett. ex Kuhn
Adiantum tetraphyllum Willd. var. vogelii (Mett. ex Keyserl.) Mett. ex De Willd.

Common name

Description

Rhizome long creeping; rhizome scales black, hairlike 2-3 mm long. Fronds closely spaced, regularly bipinnate with alternate branches, 20-60 cm long. Stipe dark brown, hairy, usually angular, 5-25 cm long. Lamina bipinnate; pinnules hairless, 5-15(-25) x 5(-12) mm, rhomboid to subrectangular in outline, upper and outer margin toothed, lower margin entire, stalklets 0,5-1 mm long. Sori more or less curved, 1,5-3 mm wide.

Notes

A. vogelii is regurlarly bipinnate!

Derivation

vogelii: named after J.R.T. Vogel (1812-1841), German explorer, botanist and plant collector. He was one of many to die on the Niger Expedition in 1941.

Habitat

Sandy banks by forest rivulets, cave walls.

Distribution worldwide

See African distribution.

Distribution in Africa

Angola, Benin, Cameroon, Central African Republic, Congo, Democratic Republic of Congo, Equatorial Guinea (incl. Bioko), Gabon, Ghana, Guinea, Ivory Coast, Liberia, Nigeria, Senegal, Sierra Leone, Tanzania , Togo, Uganda.

Growth form

Terrestrial.

Literature

  • Roux, J.P. (2001) Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report, 13 Page 77.
  • Verdcourt, B. (2002) Adiantaceae. Flora of Tropical East Africa, Page 0.
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