Plant height |
>20 cm |
< 15 cm |
Leaf |
Flat, >16 cm long, <5 mm wide, 16 - 18
nerved |
Conduplicate, < 10 cm long, >5 mm wide,
11 - 13 nerved |
Inflorescence |
> 20 cm |
< 13 cm |
Bracts |
Lanceolate, >10mm, glabrous, apex acuminate |
Ovate, <4mm, ciliate along the midnerve, apex
acute |
Bracteole |
Ovate |
Triangular |
Filaments
|
Filament ±2 mm long, uniform throughout,
anther lobe apex apiculate
|
Filament 1 - 1.5mm long, inflated at base, anther lobe apex obtuse
|
Ovary & style |
1 x 1 mm, 1 mm long |
1 x 1.5 mm, 1.2 mm
long |
Seed |
2 - 4 in each cell, 3 x 3mm |
1 - 2 in each cell, 2 x
2,2mm |
No. of Tuberous root |
±10 |
±5 |
Altitude |
< 200 m msl |
>1200 m
msl |
Pollen shape and P/E ratio |
Ellipsoid, 1.6 |
Ovoid, 1.2 |
Pith of root |
3 - 4 cells across |
13 - 14 cells across |
No. of vascular elements |
ca.8 |
ca. 13 |