Huperzia - Lycopodiaceae

Huperzia dacrydioides (Baker) Pic.Serm.

Photo: P. Ballings
Zimbabwe

Photo: P. Ballings
Zimbabwe

 

 

 

 

Synonyms

Lycopodium dacrydioides Baker
Urostachys dacrydioides (Baker) Herter ex Nessel
Lycopodium mildbraedii Herter

Common name

Description

Plants large, robust. Stems up to 90 cm (1.5 m) long, dichotomously branched (once or twice), pendulous. Foliage leaves linear-lanceolate, apex tapering, 20 × 2 mm, dark glossy green, overlapping, coriaceous, grading into the sporophylls. Fertile portion not differentiated; sporophylls lanceolate, attenuate, up to 10 mm long. Sporangia rounded, flattened.

Notes

Resembles H. gnidioides ; H. dacrydioides has sporophylls similar to the foliage leaves, a fertile portion that is barely distinct and a narrowly tapering leaf apex.

Derivation

dacrydioides: referring to the genus Dacrydium, a conifer with drooping branches of the Podocarpaceae family.

Habitat

Mid to high level epiphyte in shade in evergreen mist forest; sometimes on mossy boulders.

Distribution worldwide

Distribution in Africa

Burundi, Cameroon, Democratic Republic of Congo, Equatorial Guinea (incl. Bioko), Ethiopia, Guinea, Kenya, Liberia, Malawi, Mozambique, Nigeria, Rwanda, Sierra Leone, South Africa, Sudan and South Sudan, Tanzania , Uganda, Zimbabwe.

Growth form

Epiphytic, lithophytic.

Literature

  • Burrows, J.E. (1990) Southern African Ferns and Fern Allies. Frandsen, Sandton. Page 14. (Includes a picture).
  • Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011) Ferns of Southern Africa, A comprehensive guide. Struik Nature. Pages 32 - 33. (Includes a picture).
  • Jacobsen, W.B.G. (1983) The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 134 - 135. (Includes a picture).
  • Roux, J.P. (2001) Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report, 13 Page 19.
  • Roux, J.P. (2009) Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands. Strelitzia 23, South African National Biodiversity Institute, Pretoria. Page 13.
  • Schelpe, E.A.C.L.E. (1970) Pteridophyta. Flora Zambesiaca, 0 Page 18.
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