Swaziland's Flora Database:
Gladiolus longicollis Baker subsp. platypetalus (Baker) Goldblatt & J.C.Manning
(name current 2016)
Growth form: Herb
Swaziland distribution: highveld only
Description (Compton's Flora of Swaziland*):
Gladiolus longicollis - Well distinguished by inflorescence having only one or two flowers and by great length of perianth tube. About 50—60 cm high. Leaf solitary, c two-thirds length of inflorescence, prominently ribbed, 2—3 mm wide. Inflorescence axis slender, erect. Floral bracts 5—6 cm long, narrow. Perianth white or ivory, scented; tube up to 12 cm long, cylindrical, very slender in lower two-thirds, then widening a little, segmented part erect or slightly nodding, almost radially symmetrical; inner segments much longer than outer, long-pointed. Fruit 3—4 cm long x 1 cm diam.
* Where species names have changed, these have been matched according to herbarium specimens quoted in this publication.