Nitella mucronata (A. BRAUN) MIQUEL

Langangen, Anders, 2015, Some Finds Of Charophytes From East-Africa (Zambia, Tanzania, Kenya And Somalia), Acta Musei Nationalis Pragae Series B 71 (3 - 4), pp. 239-248 : 246

Nitella mucronata (A. BRAUN) MIQUEL

The species has been found in two localities in Kenya and

Tanzania ( Text-fig. 8 ).

Description of specimens from Lake Magadi:

Plants monoecious, to 15 cm high and stem diameter is up to 750 µm. Fertile branchlets number 7 in a whorl, 2 furcate. Dactyls 2–3, 2–3 celled with a mucronate end cell. Gametangia conjoined at the branchlet nodes, without mucus. Oogonia up to 500 µm long and 320 µm wide with 7 convolutions. The oospores are brown and have a reticulated membrane. The antheridia are 280 µm in diameter.

D i s t r i b u t i o n: Nitella mucronata is a cosmopolitan species and also widespread in Africa ( Wood 1978).

E c o l o g y: Nitella mucronata is a freshwater species, and found in rivers, dams and lakes ( Krause 1997).

The examined herbarium specimens are:

Figures

Text-fig. 8. Distribution of examined species.