| Home | > | List of families | > | Pteridaceae | > | Pityrogramma | > | aurantiaca |
| Synonyms: |
Gymnogramma aurantiaca Hieron. |
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| Description: |
Rhizome c. 2.5 mm in diameter, short- to long-creeping; rhizome scales lanceolate, margin entire, dark-brown, c.3 mm long. Fronds closely spaced, erect or ± scrambling, firmly membranous or subcoriaceous. Stipe chestnut, glabrous, shining except for a few scales similar to the rhizome-scales near the base. Lamina oblong to ovate-oblong in outline, up to 12 × 7 cm (larger in other tropical African specimens), 2–3-pinnate with pinnatifid pinnules; pinnae triangular-ovate, up to 4 cm long; pinna segments of upper pinnae and pinnule segments of lower pinnae oblong to broadly cuneate, up to 6 mm broad, obtuse, very weakly crenate and with the margins sometimes revolute, with (yellow to) bright-orange powder on the lower surface, glabrous on the upper surface; rhachis chestnut, shiny; secondary rhachises narrowly winged for most of their length. Sori 1–2 mm long, linear, along the veins; indusium absent. |
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| Worldwide distribution: | Burundi, DRC, Kenya, Malawi, Rwanda, Tanzania, Uganda |
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| Growth form(s): | Terrestrial. |
| Endemic status: | |
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| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Literature: |
Burrows, J.E. & Burrows, S.M. (1993). An annotated check-list of the pteridophytes of Malawi Kirkia 14(1) Page 86. Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 40. (Includes a picture). Fischer E. & Lobin W. (2024). Checklist of Lycopodiopsida (clubmosses and quillworts) and Polypodiopsida (ferns) of Rwanda. Willdenowia 53(3) Page 164. Fischer, E. & Killmann, D. (2008). Illustrated Field guide to the Plants of Nyungwe National Park Rwanda. University of Koblenz-Landau. Page 128. (Includes a picture). Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Page 57. Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 177. Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Page 107. Verdcourt, B. (2002). Adiantaceae Flora of Tropical East Africa Pages 43 - 44. |
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