Collections made by Horn

Shrub; Notes: Shrub, 1 m high. Stems hairy. Leaves composite, shiny green. Flowers 1 cm, yellow. Thick clusters of seed pods, brown, hairy with black seed, 2 cm.

2.5 m high; Shrub; Notes: Large shrub, 2.5 m high with single stem. Bark sand papery. Fruit capsules 1-2 cm in size. Common, in dune sand.

450 cm high; Tree; Notes: Tree. Height: 450cm. Stem: one, straight, thin, growing upwards, latex present. Bark: smooth, light grey. Leaves: large.

300 cm high; Shrub; Tree; Notes: Tree/shrub, 300cm high. Flowers: white, small, 1mm, clustered, smooth. Stem: two or three, straight, thin, growing upwards. Bark: smooth, light grey. Fruit / seed: absent. Sap: none. Other: untidy shrub.

100 cm high; Shrub; Notes: Small, woody, multi-stemmed shrub. Bark smooth. Flowers 10 mm in size, round, woolly, clustered. Rare, in sand dunes.

15 m high; Tree; Notes: Huge umbrella shaped tree, 15 m high. One, straight, thick stem growing upwards. Bark rough, peeling, light grey, no sap present. Flowers white, 10 cm long, spike, clustered, sweetish smell. Uncommon, in well-drained sandy loam soil, on plain in closed shrubland.

18 m high; Tree; Notes: Huge single stemmed tree, 18 m high with latex. Smooth, white-grey bark. Fruit 15-20 mm in size, round, speckled with red spots, smooth, sweet smelling. Rare, on sand dunes. Might have been planted.

15 m high; Tree; Notes: Tree. Height: 15m. Stem: one, straight, thick, growing upwards, latex white. Bark: smooth, green-yellow. Fruit: green - white, 20mm in diamter, round - elliptical, velvety, clustered on thick stems and branches. A very big tree with low branches. Fruit eaten by locals. Sap: present.

Climber; Notes: Climber. Much white milky latex. Thick stem.

300 cm high; Tree; Notes: Tree growing in others, 300 cm high. One, straight, thick stem growing upwards. Bark smooth, light grey, no sap present. Uncommon, in seasonally waterlogged, sandy loam soil, in closed woodland.

250 cm high; Shrub; Scrambler; Notes: Shrub/scrambler. Height: 250cm. Stem: two or three, straight, thin, ascending, latex. Bark: smooth, light grey. Flowers: white, small 1mm, round, smooth, clustered on stems. Grows in other shrubs, long branches, thick. Sap: present.

Shrub; Notes: Shrubs, about 1 m high. Flowers small. Seed fleshy, orange.

Climber; Notes: Twining shrub, long branches, very hairy. Flowers 1 cm, light pink.

Notes: Annual twiner, with shiny leaves and small whitish flowers.

2 m high; Tree; Notes: 2 m high tree or shrub. Stem single to multi-stemmed, mostly single. Flowers yellow-green, 10-15 mm in size, smooth, clustered. Not indigenous, introduced. Planted as a live hedge in Caprivi, widespread. Propagated from seed or cutttings.

5 m high; Tree; Notes: Single stemmed tree, 5 m high. Bark relatively smooth. Flowers white, clustered, 1 mm in size. Fairly common on sand dune.

2 m high; Shrub; Notes: Shrub/climber growing in Combretum - loose twigs. One stem, bark grey to black. Leaves somewhat fleshy. Seems not to be eaten by anything. Fruit single, 3-4 cm in size, oblong with black pips, like orange. Fruit looks segmented. Rare, on sand dune.

Annual herb, erect with a few stems, about 0.40-0.60 m high. Flowers small, white/rose coloured, in leaf axils.

Tree; Notes: Tree, 6 m high. Much branched. Bark loose, smooth. Stem fluted. Flowers yellow, pea-shaped, sweet smelling. Fruit small disc. Found in woodland. Uncommon.

20 m high; Tree; Notes: Tree,15-20m high. Flowers: yellow, more than 10 mm, pea-shaped, sweet smelling, smooth, clustered. Stem: one, thick, growing upwards. Bark: smooth (much like Terminalia prunioides), peeling, smooth with loose patches of peeling bark. Dark reddish. Fruit: reddish, 30-50mm, disc-shape, clustered, smooth. Sap: none. Other: large high tree.

8 m high; Tree; Notes: Dense tree, 8m high. Stem: one, straight, thick, growing upwards. Bark: smooth, peeling, dark reddish. Flowers: bright yellow, 10mm in size, pea-shaped, sweet smelling, smooth, slightly velvety texture, in huge clusters, very beautiful if in full bloom. Soil: sandy loam.

150 cm high; Shrub; Notes: Straight shrub, 150 cm high. Stems many, straight, thin, growing upwards. Bark glandular, light grey. Flowers light mauve/green, smooth, clustered. Uncommon, in well-drained sand in interdunal street, in open woodland.

Shrub; Notes: Small shrub with softish stems. Leaves dark green and slightly fleshy. Flowers impressive with four white petals and the middle (bottom) are blue. Rare, in that area. Fire damaged.

Herb; Notes: Annual herb, with few erect stems. Flowers white, small, axillary.

180 cm high; Climber; Scrambler; Notes: Scrambler/climber. Height: 180cm. Stem: one, straight,/twisted, thin, growing upwards. Bark: smooth, light brown. Flowers: bright yellow, 20mm, smooth, clustered. Fruit: brown, 20mm, two-winged, smooth, clustered. Sap: none.

150 cm high; Shrub; Notes: Shrub. Height: 150cm. Stem: many, straight, thin, growing upwards, white. Bark: rough, glandular, papery, dark brown. Fruit: brown, 8-10cm, pointed pod, rough sandpapery texture, clustered. Sap: none.

200 cm high; Shrub; Notes: Leafy shrub, 200 cm high. Two or three, straight, thin stems growing upwards. Bark rough, dark grey, no sap present. Fruit green-brown, ripe, 20-25 mm, round, smooth, clustered 2-3. Eaten by local population. Abundant on island, not on Kavango side of river. In well-drained, seasonally waterlogged sandy loam soil, on plain on riverbank.

Tree; Notes: Tree about 3 m high. Bark white-grey, very thick and fissured .

Shrub; Notes: Shrub with soft stems, growing in thick stands, about 1 m high. Flowers white to light lilac. Not common. Damaged by fire.