Diplazium - Woodsiaceae

Diplazium morogorense J.P.Roux

 

 

 

 

Synonyms

Callipteris ulugurica Verdc.

Common name

Description

Rhizome erect; rhizome scales linear-lanceolate in outline, apex gradually tapering to a point margins black, 1.6–2.4 x 0.8–2 mm wide at the base, dull, the marginal trichomes black and nearly all bifid. Fronds monomorphic, tufted, 0.5–1.5 m tall, somewhat fleshy. Stipe 40–45 cm long, straw-coloured, densely scaly near base or for some distance. Lamina mostly bipinnate, oblong-lanceolate in outline, 21–60 x 32(–?60) cm, the apical part 7–11 x 5.5–6 cm, long-tapering to a point, divided into oblong lobes 1–3 x 0.6–1 cm, with blunt teeth; upper pinnae in 6–7 pairs, narrowly oblong-triangular, base truncate, apex narrowly attenuate and crenate, 4.5–13 x 1.2–3.3 cm, ± the upper ones sessile, shallowly lobed, the lower stalked, with up to 12 pairs of oblong lobes up to 2 x 0.9 cm; lower pinnae in 4 pairs, oblong-attenuate, 13–28 x 6–11 cm with (3–)8–9(–11) pairs of pinnules up to 5.4–7.5 x 1.4–2.2 cm, very shallowly lobed or crenate; pinnae apices similar to frond apices; venation not anastomosing. Sori brown, linear, curved, 4–7 mm long, diverging from midrib, appearing different according to the rank of the segment involved; in the lobes of apices of fronds and pinnae and the ultimate pinnules there are 2–7 pairs of sori; in the upper pinnae where lobes are not divided to the base the lobes have 1–3 pairs according to position; the main sori are on veins ending in sinuses of the marginal divisions but occasionally there are much shorter sori on lateral veins; capitate paraphyses ± numerous, often with dark heads; indusia very narrow, unilaterally attached.

Notes

Derivation

morogorense: first discovered in the Morogoro district in Tanzania.

Habitat

Intermediate rain-forest with Allanblackia, Parinari, Cylicomorpha, Myrianthus, 900-1050 m.

Distribution worldwide

See African distribution.

Distribution in Africa

Tanzania .

Growth form

Terrestrial.

Literature

  • 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 217.
  • Verdcourt, B. (2003) Woodsiaceae. Flora of Tropical East Africa, Pages 15 - 16. As Callipteris ulugurica Verdc.
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