Chara tanyglochis H. GROVES et J. GROVES

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 : 244

Chara tanyglochis H. GROVES et J. GROVES

The species has been found in one locality in Zambia

( Text-fig. 8 ).

Description of specimens examined:

Plants are monoecious and up to 30 cm high. The stem diameter is from 750 to 1000 µm and the internodes are up to 5 cm long. The plants are medium encrusted. The cortex is regularly triplostichous, isostichous. The spine cells are single, acute scattered and from papillous up to 150–250 µm long. The stipulodes are developed in two rows and acute. In the upper row the cells are up to 1000 µm long and in the lower row up to 500 µm long. The number of branchlets in each whorl is 8–9, up to 2, 4 cm long. The number of segments is 7–8, the end segments are 1–2 celled and ecorticated, up to 1 mm long. Bract cells are 8, unilateral (and not verticillate), anterior bract cells and bracteoles are up to 600 µm long, bractlets are papillous up to 200 µm long. Posterior bract cells are 4 in number and short. The gametangia are conjoined at most or all branchlet nodes. The oogonia are up to 1 mm long, with 11–12 convolutions. The oospores are dark brown. The antheridia are small (unripe).

D i s t r i b u t i o n: Chara tanyglochis is found in central and southern Africa ( Wood 1978).

E c o l o g y: Chara tanyglochis is a freshwater species.

The examined herbarium specimen is (from EA):

Figures

Text-fig. 8. Distribution of examined species.