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30. Leiothylax Warming

Leiothylax Warming, Overs. Kong. Danske Vid. Selsk. Skr. VI,  9: 147 (1899); Cusset, Adansonia II, 20: 199--209 (1980), rev.
Leiocarpodicraeia (Engler) Engler (1905).

Roots crustose, entirely attached to rock or partly free and floating, stems branched, erect, up to 30 cm or more long. Leaves up to 4 cm long, linear or forked with linear segments. Spathellas ovoid or subglobose. Flowers inverted in unruptured spathella, solitary or in clusters; pedicels elongating after anthesis becoming 1--2 cm long in fruit; tepals 2, one each side of andropodium base, much shorter than ovary or stamens, less than 0.4 mm long; stamens 2 (3), borne on an andropodium; pollen in monads; ovaries 1-locular. Capsules borne on a gynophore up to 3 mm long, subglobose, smooth; valves equal, caducous; stigmas linear. Three spp., Cameroon, D.R. Congo & Zambia.






Subfam. Podostemoideae

Leiothylax quangensis. A Distal part of a flowering shoot (2.5 mm). B Flower emerging from spathella (1 mm).

Cook & Rutishauser 2007

    Copyright Institute of Systematic Botany, University of Zurich