ECOLOGY OF ASCLEPIAD LIANES 
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8. A, partly-excavated root system of Marsdenia australis at site 1, showing tuberous horizontal and vertical 
roots. Arrow shows stem of adult plant. Scale divisions = 100 mm. B, part of Marsdenia australis plant at site 5, 
s owing sucker shoot and tuberous root of 18 mm diameter. Scale divisions = 100 mm. C, part of Marsdenia 
Qiistrahs plant at site 1 showing stem of sucker shoot (S), vertical root (VR) and tuberous root (LR) about 200 mm 
e ow soil surface. Scale = 30 mm. D, part of Rhyncharrhena linearis plant at site 1 showing two sucker shoots, 
s em (8), lateral root (LR), level of soil surface (arrow) and vertical root (VR). Scale = 50 mm. 
