| Synonyms: | |
| Common names: | |
| Frequency: | |
| Status: | Native |
| Description: |
Rhizome spindle-shaped, 10-15 × 2-3 mm, leaf bases shortly persistent; roots descending, becoming horizontal, probably proliferous. Leaves 1 or in pairs, held at c.80° from the horizontal. Petiole 1.6-2.5 cm long, subterranean for about 30-40 % of its length. Sterile lamina 14-39 × 2.5-5 mm, narrowly elliptic in outline, apex pointed, base narrowly cuneate, fertile lamina flat to convex above, midgreen; fertile segment 5.5-9 cm long. Sporangia 11-19 pairs. |
| Type location: |
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| Notes: | O. lusoafricanum and O. caroticaule are, like O. sandieae, narrow leaved Ophioglossum species. The leaf width:length ratio differs in these ferns: O. caroticaule (1:7.2), O. lusoafricanum (1:7-9) and O. sandiae (1:4.5). |
| Derivation of specific name: | sandieae: named after Sandra M. Burrows, botanical illustrator who first saw this as a distinct species. |
| Habitat: | In Colophospermum mopane woodland in shallow sandy soils over rock or clay. |
| Altitude range: (metres) | 880 m (approx) |
| Worldwide distribution: | Angola, Botswana, Namibia, Zambia, Zimbabwe. |
| FZ divisions: | |
| Growth form(s): | Terrestrial. |
| Endemic status: | |
| Red data list status: | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Images last updated: | Saturday 18 May 2013 |
| Literature: |
Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011). Ferns of Southern Africa, A comprehensive guide Struik Nature Pages 122 - 123. (Includes a picture). |