Leaf surface covered with white tubercles. Flowers slender, orange at base to green at tip. Easy but slow. From type locality. Offsets freely, forming large clumps.
Flowers orange at base to green at tip.
Flower base greatly swollen. Fully mature large plants. From a locality a few miles west of the bridge over the Gamtoos River near Jeffrey's Bay, South Africa. A very beautiful form of G. armstrongii, frequently with white rounded tubercles on the leaves. Leaves become straight and smooth with age.