Flora of tropical East Africa - Woodsiaceae (2003) (Flora of by H.J. Beentje

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By H.J. Beentje

Ready on the Royal Botanic Gardens, Kew, in shut collaboration with the East African Herbarium and in liaison with the college of Dar es Salaam, the collage of Nairobi and the Makerere collage, this sequence is designed to the top educational criteria and is an invaluable reference for a person excited by the identity and usage of vegetation in jap Africa. each one relations is released as a separate half.

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5 cm long, 3–8 mm wide which are subentire to shallowly pinnatifid; venation often with scattered long multicellular hairs. 5–3(–4) mm long, the 2 lowest often contiguous lengthwise; paraphyses mostly numerous and obvious but few and short in some specimens; indusium wide and obvious before dehiscence, attached all round the sorus and often bursting irregularly across the top or sometimes only along one edge, or leaving fragments all around the sorus. UGANDA. Toro District: Kibale National Park, near Kanyawara, 13 July 1994, Poulsen et al.

69/2023! DISTR. K 5 HAB. Evergreen forest of Celtis–Croton and Sapotaceae, by stream; 1650–1700 m SYN. [D. F. ed. 1:57 (1974) pro parte] D. sp. F. ed. 2:33 (1994) NOTE. Faden (1994) points out that this taxon has the broader less divided lobes of D. nemorale but small sori. UNIDENTIFIED WOODSIACEAE Rhizome not seen. Fronds about 1 m tall; stipe not seen. Lamina ±ovate, up to 48 cm long, 24 cm wide, 2-pinnate with pinnules deeply pinnatifid so that frond appears 3pinnate but costulae are very narrowly winged by the decurrent ultimate segment-bases; pinnae in at least 15 pairs, lanceolate, up to 14 cm long, 6 cm wide with 15–17 pairs of pinnules; pinnules oblong-lanceolate, up to 4 cm long, 1–3 cm wide with 5–9 pairs of segments up to 7 mm long, 4 mm wide; segments with 1–2 bifid lateral lobes on each side and terminal 2–4-fid lobe, the teeth subacute; costulae with rather sparse multicellular hairs up to ±1mm long.

The Tanzanian specimen also has no gemmae but is closely similar to typical D. humbertii. 2 (-2) mm wide. It is quite possible that this will prove only a form of D. velaminosum. Populations of both need examining for detailed frond architecture and presence of gemmae. 7. D. velaminosum (Diels) Pic. Serm. : 57, 59 (1974). )** * The two sheets mentioned by Pichi Sermolli could not be found at the BM. ** I do not know why Alston did not find the type material at Berlin, only an empty cover—it may have been on loan or misplaced in post-war chaos—but even more inexplicable is the fact that a duplicate of Preuss 910 was in the BM and was overlooked.

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