23. Wettsteiniola Suessenguth
Wettsteiniola Suessenguth, Repert. Spec. Nov. Regni Veg. 39: 18 (1935).
Roots ribbon-like, up to 1 cm wide; stems disk-like and prostrate or represented by fused leaf bases. Leaves up to 30 cm long, either repeatedly pinnate or irregularly 2-pinnate with secondary pinnae repeatedly forked; ultimate segments filiform; bases of pinnae and pinnules with stipel-like appendages. Spathellas trumpet-shaped, up to 1 cm long. Flowers in fascicles of 2--8; pedicels up to 3.5 cm long; tepals linear to linear-lanceolate, (2--) 3--6, in an incomplete whorl; stamens (1) 2--4, in an incomplete whorl; filaments sometimes united in pairs at base; anthers dehiscing introrsely; pollen in monads. Capsules ellipsoidal to ovoid; valves equal, each with 5 ribs; stigmas linear. Three spp., S Brazil & N Argentina.