Bowiea volubilis
The large light green bulb on the ground characterises this plant.  It can grow 10 to 15 cm in diameter.  It is a bulb like an onion with many bulb leaves growing densely around the axis of the underground stem to form a spherical shape.  Two third of bulb appears above ground.
In early spring, it grows leaves from the top of the bulb which degenerate to be scale-like, and soon fall.  After that, a climbing flower stem extends and branches off to reach 2 to 3 m in length.  The green flower stem carries out photosynthesis instead of the leaf.  In spring, the flower blooms at the tip of the stem.  The flower is less than 1 cm in diameter, green, and inconspicuous.
Its Japanese horticultural name is Sokakuden.
Note)
The scale leaf does not carry out photosynthesis and is very small and scale-like.  Some scale leaves store reserves and become succulent; when these leaves form a bulb, they are called bulb leaves.
Classification Liliaceae Bowiea
Scientific name Bowiea volubilis
Japanese name Tama-tsurukusa
English name ---
Native locality South Africa
Ecological description Perennial succulent
RDB ---
Planting place Succulent Plant Greenhouse
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