Manual of Riyadh Plants

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Part 3: Planning checklists for quick reference
394
A Drought tolerant plants
Drought tolerant plants are very useful in situations, where little
water is available.
A annual
Amaranthus tricolor , 0.6-0.8 m, white, light green................................... 51
Bassia eriophora , 0.15 m, white............................................................................................................................... 64
Calendula officinalis , 0.3-0.6 m, yellow, orange, brown, red.............. 76
Portulaca grandiflora , 0.1-0.15 m, yellow, white, pink, red,
violet, purple, yellow.............................................................................................................................................................................242
Portulaca umbraticola , 0.05-0.15 m, red, centre: yellow...... 243
Reseda muricata , 0.4 m, green, yellow......................................................................................... 255
Rumex vesicarius , 0.5 m, red...................................................................................................................................... 264
A biennial
Asphodelus tenuifolius , 0.15-0.3 m, white............................................................................. 60
A perennial
Blepharis ciliaris , 0.15-0.3 m, blue.................................................................................................................. 67
Catharanthus roseus , 0.15-0.2 m, pink, white, purple...................... 91
Centaurea ragusina , 0.3-0.4 m, yellow...............................................................................................93
Citrullus colocynthis , 0.3 m, yellow..................................................................................................... 103
Cymbopogon citratus , 0.6-1.8 m, light brown.................................................... 124
Cynodon dactylon , 0.03-0.3 m, green, light brown............................ 125
Echinops hussoni , 0.4-0.6 m, blue............................................................................................................. 133
Echinops spinosissimus , 0.7-1 m, white, pastel blue........................ 134
Encelia farinosa , 0.6-0.9 m, yellow........................................................................................................... 135
Gazania rigens var. leucolaena , 0.3 m, yellow.......................................................155
Gazania rigens var. rigens , 0.15-0.3 m, yellow, orange.............. 156
Gazania rigens var. uniflora , 0.2-0.4 m, bright yellow............... 157
Heliotropium crispum , 0.5 m, white.................................................................................................. 160
Ipomoea pes-caprae , 0.1-0.2 m, lilac, pink, purple............................... 165
Kalanchoe blossfeldiana , 0.15-0.4 m, red, pink, white, orange,
purple, yellow.......................................................................................................................................................................................................................... 176
Kalanchoe daigremontiana , 0.5-1.2 m, bright orange, pastel lilac................ 177
Lampranthus glaucus , 0.2-0.6 m, yellow................................................................................ 181
Lasiurus scindicus , 0.3-1 m, white............................................................................................................ 184
Launaea nudicaulis , 0.5 m, yellow............................................................................................................. 186
Moricandia sinaica , 0.5-0.75 m, pastel pink, olive-green................... 203
Osteospermum fruticosum , 0.2-0.3 m, white, lilac, dark violet.............. 218
Paspalum vaginatum , 0.05-0.6 m, light brown.................................................. 221
Pelargonium crispum , 0.5-0.9 m, pink........................................................................................ 223
Pennisetum setaceum , 0.9-1.2 m, pastel white................................................... 226
Sansevieria cylindrica , 0.6-1.5 m, white, secondary: pale pink................... 270
Sansevieria trifasciata , 0.3-1.5 m, pale green........................................................... 271
Santolina chamaecyparissus , 0.4 m, yellow................................................................... 272
Senecio cineraria , 0.15-1 m, yellow........................................................................................................ 278
Sesuvium portulacastrum , 0.1-0.3 m, pink................................................................... 284
Stipagrostis plumosa , 0.3-0.6 m, silver........................................................................................ 286
Zoysia japonica , 0.03-0.15 m, brown................................................................................................ 323
A sub-shrub
Agave americana , 0.8-2 m, light green, secondary:
light yellow...................................................................................................................................................................................................... 40
Agave angustifolia ‘Marginata’ , 0.9 m, yellow............................................................. 41
Agave attenuata , 1.2-1.8 m, light green, secondary: light yellow........ 42
Agave sisalana , 1.2-1.8 m, light green, secondary: light yellow............... 43
Aloe arborescens , 1-3 m, red, dark orange.......................................................................... 48
Aloe vera , 0.6-0.9 m, yellow, orange.......................................................................................................... 49
Asparagus densiflorus ‘Sprengeri’ , 0.5-3 m, white, secondary: green...... 59
Atriplex leucoclada , 0.5 m, pale green............................................................................................... 62
Carpobrotus acinaciformis , 0.15 m, pink, lilac, light yellow.................. 85
Carpobrotus edulis , 0.15-0.2 m, yellow, pink, light yellow.......................... 86
Cassia italica , 0.5-0.6 m, yellow............................................................................................................................... 88
Convolvulus cneorum , 0.3-0.8 m, white, secondary: pink................. 116
Convolvulus prostratus , 0.1-0.3 m, pastel white, pale pink................. 117
Drosanthemum hispidum , 0.2-0.6 m, pink.................................................................. 130
Lampranthus aureus , 0.15-0.5 m, bright orange........................................... 180
Pelargonium graveolens , 0.4-1 m, soft lilac, soft violet........... 224
Pulicaria crispa , 0.4-0.5 m, yellow............................................................................................................. 251
Teucrium oliverianum , 0.4-0.7 m, violet, blue.................................................... 299