| 0 | DLEG 910128 | DLEG 910128 | Senegalia erubescens (Welw. ex Oliv.) Kyal. & Boatwr. | Botswana | | | Historic | 1991 | COLLECTED | 11/29/1990 | Ca. 20 km NW of Parrs Hast on road to Mahalapye. 23 15'S, 27 15'E. Elevation 950-1000 m. | | | Community of small to medium trees to 10 m, growing on Kalahari sand with Acacia tortilis, Kirkia acuminata, Sclerocarya birrea, Elephantorhiza sp., Ladehouria sp., Talinum sp. | Wild material | Bark gray-tallow, slightly peeling; pods light brown, veined. AEW 065. | 1528478 | DLEG 910128 |
| 1 | DLEG 910107 | DLEG 910107 | Senegalia galpinii (Burtt Davy) Seigler & Ebinger | Botswana | | | Historic | 1991 | COLLECTED | 12/07/1990 | E bank of Tati River, near Francistown, edge of grounds, Marang Hotel. 21 10'S, 27 28'E. Elevation 1000-1150 m. | | | Tall, mature trees to 18 m with rounded crowns and open canopy. Growing on sandy soil with Acacia fleckii, A. erubescens, A. karroo, A. tortilis, Combretum imberbe, C. hereroense, Peltophorum africanum. | Wild material | Many emerging seedlings with recent rains; few pods seen. AEW 081. | 1528486 | DLEG 910107 |
| 2 | DLEG 910125 | DLEG 910125 | Vachellia tortilis (Forssk.) Galasso & Banfi subsp. heteracantha (Burch.) Kyal. & Boatwr. | Botswana | |  | Historic | 1991 | COLLECTED | 12/10/1990 | Ca. 2.8 km past Monarch Mining Project on road W of Francistown past prison and dump heap. 21 10'S, 27 25'E. Elevation 1000-1150 m. | | | Small to medium-sized trees growing on sandy/stony soil with Grewia sp., Adenia repanda, Acacia nigrescens, A. karroo, A. erubescens, Rhigozum brevispinosum, Asparagus sp., Euphorbia sp., Ledebouria sp. | Wild material | Pods reddish-brown, spirally twisted. AEW 084. | 1528574 | DLEG 910125 |
| 3 | DLEG 910130 | DLEG 910130 | Albizia anthelmintica (A. Rich.) Brongn. | Botswana | | | Historic | 1991 | COLLECTED | 11/30/1990 | Roadside at Dibete Veterinary Auarantine Barrier, road to Gaborone. 23 50'S, 26 25'E. Elevation 1000-1050 m. | | | Medium-sized spreading trees to 6 m, growing on gray brown Kalahari sand with Boscia foetida, Acacia karroo, A. tortilis, A. erubescens, A. nigriscens, Rhigozum sp., Ammocharia coranica, Aloe zebrina, Coccinea rehmannii. | Wild material | Papery pods, light tan, swollen over seeds. AEW 067. | 1528592 | DLEG 910130 |
| 4 | DLEG 910139 | DLEG 910139 | Vachellia nilotica (L.) P. J. H. Hurter & Mabb. subsp. kraussiana (Benth.) Kyal. & Boatwr. | Botswana | | | Historic | 1991 | COLLECTED | 12/01/1990 | Plowes Garden, Gaborone, residential area near Gaborone Sun Hotel. 24 40'S, 25 55'E. Elevation 1050 m. | | | Wide-spreading tree to 4 m, growing on Kalahari sand with Acacia tortilis, A. erubescens, Peltophorum africanum, Sclerocarya birrea, Burkea africana. | Wild material | Pods dark brown with a beaded appearance. AEW 069. | 1526403 | DLEG 910139 |