Manual of Riyadh Plants

397 / 476

Part 3: Planning checklists for quick reference
396
Ficus salicifolia , 6-10 m, pale green...................................................................................................... 153
Grevillea robusta , 13-50 m, deep yellow, deep orange.............. 158
Lagunaria patersonii , 6-15 m, pink, red, white................................................. 179
Leucaena leucocephala , 4-10 m, light yellow.......................................................... 190
Millettia pinnata , 8-25 m, pale pink.................................................................................................... 202
Olea europaea , 6-9 m, white, yellow................................................................................................... 216
Parkinsonia aculeata , 5-10 m, pale yellow, deep orange............... 220
Peltophorum pterocarpum , 10-20 m, bright yellow, deep orange................ 225
Phoenix canariensis , 6-18 m, bright yellow................................................................. 229
Phoenix dactylifera , 25-45 m, yellow, green............................................................... 230
Pithecellobium dulce , 8 m, green, white................................................................................ 235
Prosopis alba , 7-10 m, pastel white........................................................................................................ 245
Prosopis chilensis , 7-10 m, light yellow....................................................................................246
Prosopis juliflora , 5-15 m, pale yellow......................................................................................... 248
Searsia pendulina , 4-9 m, pale green................................................................................................ 277
Sesbania sesban , 2-8 m, bright yellow........................................................................................... 283
Tamarix aphylla , 6-15 m, pale yellow.............................................................................................. 292
Tamarix nilotica , 3-8 m, purple......................................................................................................................... 294
Washingtonia filifera , 15-25 m, pastel white............................................................. 311
Washingtonia robusta , 15-34 m, pale orange.........................................................312
Ziziphus jujuba , 4-10 m, green, light yellow............................................................. 320
Ziziphus spina-christi , 7-14 m, pale green, light yellow............... 322
A Urban aspects
A Plants suitable for urban areas of Riyadh
Urban areas present special problems for plants in a hot, arid
country, where extremes of heat, hot winds and desiccation occur
and plants struggle to survive. Some of the following plants require
special micro-climates.
A annual
Bassia eriophora , 0.15 m, white............................................................................................................................... 64
Bassia scoparia , 0.3-1.3 m, green......................................................................................................................... 65
Calendula officinalis , 0.3-0.6 m, yellow, orange, brown, red.............. 76
Celosia argentea ssp. plumosa , 0.2-1 m, red, orange, yellow,
magenta................................................................................................................................................................................................................................................ 92
Iresine herbstii , 0.6-1 m, white............................................................................................................................. 166
Ocimum basilicum , 0.3-0.6 m, white, pastel yellow.......................... 215
Pelargonium x hortorum , 0.3-0.9 m, white, pink, red, purple...................... 222
Petunia x atkinsiana , 0.15-0.25 m, yellow, red, purple, pink,
violet, blue, white, secondary: yellow.............................................................................................. 228
Portulaca grandiflora , 0.1-0.15 m, yellow, white, pink, red,
violet, purple, yellow............................................................................................................................................................................. 242
Reseda muricata , 0.4 m, green, yellow......................................................................................... 255
Rumex vesicarius , 0.5 m, red...................................................................................................................................... 264
Tropaeolum majus , 0.2-2 m, orange.................................................................................................... 306
Zinnia elegans , 0.3-1 m, yellow, orange, red............................................................. 319
A biennial
Alcea rosea , 0.8-2.2 m, pink, white, violet............................................................................. 45