Anemia - Anemiaceae

Anemia dregeana Kunze

Photo: P. Ballings
South Africa

Photo: P. Ballings
South Africa

Photo: P. Ballings
South Africa

Photo: P. Ballings
South Africa

Photo: P. Ballings
South Africa

Photo: P. Ballings
South Africa

Photo: P. Ballings
South Africa

 

 

 

 

Synonyms

Common name

Description

Rhizome erect to suberect, c. 10 mm in diameter. Fronds tufted, erect to arching, hemidimorphic, herbaceous to subcoriaceous. Stipe 4-20 cm long, straw-coloured, densely set with hair-like scales, 1-5 mm long, falling of with age, stipe of the fertile fronds 2-3 times longer than that of the sterile fronds. Lamina oblong-lanceolate in outline, up to 27 × 7 cm, pinnate, but the fertile frond bearing a pair of modified basal pinnae. Sterile pinnae lanceolate to rhombic in outline, apex blunt, base asymmetrically wedge-shaped, small scales sparsely present along veins and costae, becoming subglabrous with age, margins minutely toothed, shortly petiolate. Fertile pinnea up to 14 cm long, 3-pinnate, plume-like from the lamina base, terminal spike bearing clustered sporangia in two rows on the ultimate segments along the naked costules.

Notes

This taxa has pinnate sterile pinnae.

Derivation

dregeana: this plant was first collected by J.F.Drege (1794-1881), German botanist.

Habitat

Under decidious scrub in low altitude river valleys, in dry rocky hillsides, fairly wet conditions on forest floors and along streams in full shade.

Distribution worldwide

Endemic to southern Africa.

Distribution in Africa

South Africa, Swaziland.

Growth form

Terrestrial.

Literature

  • Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011) Ferns of Southern Africa, A comprehensive guide. Struik Nature. Pages 194 - 195. (Includes a picture).
  • Jacobsen, W.B.G. (1983) The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 174 - 175. (Includes a picture).
  •