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| Number of species | Number of rare and threatened species | Number
of
gardens | | Crop | Genus | Mabberley, 1997 | Plant
Search | SINGER | IUCN 2004 | IUCN
1997 (Walter and Gillett, 1998) | Plant
Search/
IUCN 2004 | Plant
Search/ IUCN 1997 | Number
of
gardens
with
special collections | | Breadfruit | Artocarpus | 50 | 107 | 5 | 5 | 5 | 1 | 1 | 5 | | Asparagus | Asparagus | 140 | 86 | 2 | 1 | 13 | 0 | 6 | 2 | | Oat | Avena | 25 | 14 | 19 | 0 | 3 | 0 | 0 | 2 | | Beet | Beta | 13 | 5 | 10 | 0 | 5 | 0 | 2 | 1 | | Brassica | 13 genera | 370 | 122 | 33 | 2 | 118 | 0 | 31 | 7 | | Pigeon Pea | Cajanus | 37 | 2 | 19 | 0 | 2 | 0 | 0 | 0 | | Chickpea | Cicer | 40 | 16 | 43 | 0 | 6 | 0 | 2 | 1 | | Citrus | Citrus | 16 | 18 | 21 | 1 | 3 | 0 | 0 | 20 | | Coconut | Cocos | 1 | 9 | 1 | 0 | 0 | 0 | 0 | 3 | | Major aroids | Colocasia | 8 | 11 | 2 | 0 | 0 | 0 | 0 | 3 | | | Xanthosoma | 57 | 25 | 3 | 2 | 1 | 0 | 0 | | | Carrot | Daucus | 22 | 7 | 1 | 0 | 3 | 0 | 0 | 0 | | Yams | Dioscorea | 850 | 60 | 72 | 4 | 68 | 0 | 4 | 9 | | Finger millet | Eleusine | 9 | 4 | 6 | 0 | 0 | 0 | 0 | 0 | | Strawberry | Fragaria | 12 | 16 | 1 | 0 | 1 | 0 | 0 | 4 | | Sunflower | Helianthus | 50 | 36 | 18 | 0 | 18 | 0 | 1 | 1 | | Barley | Hordeum | 20 | 17 | 26 | 0 | 2 | 0 | 0 | 1 | | Sweet potato | Ipomoea | 650 | 85 | 340 | 1 | 45 | 0 | 0 | 0 | | Grass pea | lathyrus | 160 | 82 | 46 | 0 | 24 | 0 | 2 | 2 | | Lentil | Lens | 4 | 2 | 6 | 0 | 0 | 0 | 0 | 0 | | Apple | Malus | 55 | 62 | 20 | 3 | 5 | 1 | 3 | 48 | | Cassava | Manihot | 98 | 15 | 104 | 0 | 69 | 0 | 1 | 2 | | Bannana | Musa | 35 | 51 | 22 | 0 | 3 | 0 | 1 | 13 | | Rice | Oryza | 18 | 5 | 27 | 0 | 3 | 0 | 0 | 0 | | Pearl Millet | Pennisetum | 130 | 23 | 32 | 0 | 5 | 0 | 0 | 0 | | Beans | Phaseolus | 36 | 28 | 53 | 3 | 2 | 0 | 1 | 0 | | Pea | Pisum | 2 | 2 | 4 | 0 | 0 | 0 | 0 | 1 | | Rye | Secale | 3 | 6 | 4 | 0 | 5 | 0 | 1 | 1 | | Potato | Solanum | 1700 | 190 | 250 | 43 | 129 | 1 | 9 | 1 | | Eggplant | Solanum | | | | | | | | 1 | | Sorghum | Sorghum | 24 | 15 | 19 | 0 | 2 | 0 | 0 | 0 | | Triticale | Triticosecale | | 0 | 0 | 0 | | 0 | 0 | 0 | | Wheat | Triticum | 4 | 23 | 17 | 0 | 3 | 0 | 2 | 3 | | | Agropyron | 15 | 9 | 17 | 0 | 9 | 0 | 0 | | | | Elymus | 150 | 36 | 43 | 0 | 11 | 0 | 0 | | | Faba Bean/vetch | Vicia | 140 | 77 | 75 | 0 | 23 | 0 | 5 | 0 | | Cowpea et al. | Vigna | 150 | 12 | 88 | 0 | 4 | 0 | 0 | 0 | | Maize | Zea | 4 | 5 | 4 | 0 | 3 | 0 | 1 | 0 | | Total | | 5098 | 1283 | 1453 | 65 | 593 | 3 | 73 | 131 |
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