Podostemaceae
 
  Introduction  
  African Podos  
  American Podos  
  Asian Podos  
  Body plan  
     
  Introduction  
  PDF-key to all African species  
  Monographs of
all genera
 
     
  Drawings of all
African Species
 
  Photographs of
African Podos
 
  Literature list  
     
  Colette Cusset  
     
  How to cite us  
     
     

35. Sphaerothylax Bischoff ex Krauss

Sphaerothylax Bischoff ex Krauss, Flora 25: 426 (1844).
Anastrophea Weddell (1873).

Roots crustose, lobed with rounded lobes, resembling a liverwort, or ribbon-like and branched; stems arising from upper surface of root, either very short and simple, or elongate and branched, up to 50 cm or more long. Leaves either scale-like or repeatedly forked with linear segments, up to 10 cm or more long. Spathellas globose, rupturing irregularly. Flowers inverted in unruptured spathella, arising from upper surface of root or on elongate stems, solitary or in clusters; tepals 2, one each side of  filament base; stamen 1 or perhaps sometimes 2; filament often flattened; pollen in dyads; ovaries 2-locular. Capsules subsessile, globose to subglobose; valves nearly equal, the larger one persistent, each with 3 wide and flattened ribs; stigmas ± 0.2 mm long, linear to ovate. Two or perhaps more spp., Madagascar, N tropical & southern Africa.

 

 

 

 

 

 

Subfam. Podostemoideae

Sphaerothylax abyssinica. E Crustose root bearing flowers and a flowering shoot (1 cm). F Capsule (0.5 mm). G Flower (0.5 mm).

Cook & Rutishauser 2007

 
       
    Copyright Institute of Systematic Botany, University of Zurich