Collections made by Nicholas Wightman

Collected from a riverine island in Kalungwishi R. above Kabwelume Falls and flowered at Dabuyu Farms, Lilayi, Lusaka

Frequent component of the woodland understorey growing amongst grasses, sedges and forbs in loam soils.

Uncommon component of woodland understorey growing amongst grasses, sedges and forbs in loam soils.

Growing amongst small to mid-sized grasses in the upper to lower slopes of perennially wet riverside dambo above Kalonde Falls

The collection of this specimen is the first record of the species for Zambia

Locally common on the mounds of a species of Cubitermes

Growing in seepage areas over moss covered rocks in permanently shaded areas

Growing in rocky escarpment Brachystegia woodland in sandy to sandy loam soils

Growing in ruderal sites along roadsides and Nkamba Bay airstrip

Growing in open areas of savannah grassland in sandy loam soils

Growing in small open/deciduous patches within Itigi thicket in sandy loam soil

Growing amid grasses in sandy loam soil

Growing in open, hot areas of savannah grassland in sandy loam soils

Suspected species harvested for the Chikanda trade

Suspected species harvested for the Chikanda trade

Growing in well drained section of perennially wet dambo grassland in sandy to sandy loam soil

Growing along streamside at the margins of riverine forest in sandy to sandy loam soils

The collection of this specimen is the first record of the species for Zambia

Growing in exposed rocky outcrops amid grasses in sandy soil

Erect shrubs c. 2-3 m tall growing in seasonally dry ravines in lake basin chipya woodland near landfill site

Growing along the margins of Itigi thicket and tall grass open munga woodland in sandy to sandy loam soils

Growing on periphery of large rocky outcrop of miombo woodland in sandy loam soil

Growing on periphery of large rocky outcrop of miombo woodland in sandy loam soil

Growing on upper reached of sand dune among Lapeirousia caudata and Trachyandra arvensis

Prostrate perennial herb with stems c. 50 cm long and shortly petiolate leaves.
Calyx 4 lobed and partially enclosing around corolla

Widespread in woodland understory climbing over herbs and shrubs

Occasional component of woodland understorey growing amongst grasses, sedges and forbs in loam soils.

Large open perennially wet dambo grassland growing in black muck soils

Confirmed species harvest for the Chikanda trade

Confirmed species harvest for the Chikanda trade

Growing in leaf litter over granite boulders

Occasional component of woodland understorey growing amongst grasses, sedges and forbs in loam soils.

Growing on the periphery of large termitaria in clay loam

Growing in shade of a small copse of trees within the dambo

Growing in riverside grassland edge amidst Pandanus livingstonianus

Cultivated at Dabuyu Farms in Lilayi to flower for identification

Lightly degraded Brachystegia woodland in compacted sandy loam soil

Growing in escarpment miombo woodland in stony soils

Growing on rail line track bed beside the rails in ballast gravel

Open wooded grassland in sandy loam soil

Growing on edge of material quarry used for roads and rail construction

Tubers of this species are possibly used in the preparation of a local Zambian dish called Chikanda with wild populations threatened by overharvesting.

Cultivated at Dabuyu Farms, Lilayi