Isoetes - Isoetaceae

Isoetes abyssinica Chiov.

 

 

 

 

Synonyms

Common name

Description

Megaspores c. 480 × 460–480 µm; proximal face trilete, densely pustulate, pustules 20–50 µm in diam., not anastomosing, sometime tuberculate, tubercles thin in between, 7.5–15 µm in diam., waxes with threads slightly felty, ridges c. 50 µm wide and c. 20 µm high; distal face clavate with distant projections up to 60 µm high and 40–50 µm in diam. and small tubercles 20–24 µm in diam. in between, densely covered by short threads, clavate projections above with short or lacking threads.

Notes

Derivation

Habitat

savanna palm grove, exposed marsh

Distribution worldwide

See African distribution.

Distribution in Africa

Burundi, Eritrea, Ethiopia, Kenya, Tanzania .

Growth form

Terrestrial.

Literature

  • Fisher E. & Lobin W. (2022) The genus Isoetes (Isoetaceae) in Central Africa (DRC, Rwanda, Burundi) with the description of three new species.Willdenowia, 52 Page 316. (Includes a picture).
  • Verdcourt, B. (2005) Isoetaceae.Flora of Tropical East Africa, Page 0. Note under I. welwitschii
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