Manual of Riyadh Plants

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Part 3: Planning checklists for quick reference
373
A Pollen (allergy)
This section contains plants which could possibly cause allergic
reactions in sensitive people. Persons who know of their allergies
can avoid these plants.
A perennial
Pennisetum setaceum , 0.9-1.2 m, pastel white................................................... 226
Pennisetum setaceum ‘Cupreum’ , 1.2-1.5 m, pale purple............... 226
A shrub
Acacia cuthbertsonii , 3-5 m, yellow........................................................................................................... 21
Acacia iteaphylla , 3-4 m, pale yellow...................................................................................................... 26
Acacia ligulata , 1-5 m, deep yellow.............................................................................................................. 28
Acacia victoriae , 2-9 m, pale yellow........................................................................................................... 36
Prosopis farcta , 0.4-2 m, green, yellow....................................................................................... 247
A tree
Acacia ampliceps , 9 m, white.......................................................................................................................................... 20
Acacia ehrenbergiana , 7 m, yellow................................................................................................................. 22
Acacia etbaica , 2-12 m, white......................................................................................................................................... 23
Acacia farnesiana , 4-6 m, light yellow................................................................................................. 24
Acacia gerrardii var. iraquensis , 8-10 m, white, pale yellow.................... 25
Acacia gerrardii var. najdensis , 10 m, pale yellow......................................... 25
Acacia karroo , 4-15 m, bright yellow..................................................................................................... 27
Acacia nilotica , 6-9 m, yellow........................................................................................................................................ 29
Acacia pycnantha , 6-10 m, bright yellow................................................................................... 30
Acacia salicina , 10-12 m, pale yellow..................................................................................................... 31
Acacia saligna , 5-6 m, bright yellow......................................................................................................... 32
Acacia seyal , 12 m, yellow......................................................................................................................................................... 33
Acacia tortilis ssp. raddiana , 12 m, white................................................................................. 34
Acacia tortilis ssp. spirocarpa , 12 m, white......................................................................... 35
Albizia lebbeck , 12-25 m, stamens: pale yellow.................................................... 44
Cupressus sempervirens , 20-30 m, pale yellow................................................ 122
Eucalyptus camaldulensis , 25-35 m, white, pale yellow......... 137
Eucalyptus globulus , 12-30 m, white................................................................................................. 138
Eucalyptus gomphocephala , 10-40 m, white............................................................. 139
Faidherbia albida , 15-25 m, yellow......................................................................................................... 142
Leucaena leucocephala , 4-10 m, light yellow.......................................................... 190
Olea europaea , 6-9 m, white, yellow................................................................................................... 216
Pinus halepensis , 10-20 m, pastel yellow.............................................................................. 234
Prosopis alba , 7-10 m, pastel white........................................................................................................ 245
Prosopis chilensis , 7-10 m, light yellow.................................................................................... 246
Prosopis juliflora , 5-15 m, pale yellow......................................................................................... 248
A Flowers in spring
Spring-flowering plants are emphasised in this section. Flowering
times can be used to effect, when the designer is acquainted with
seasonal highlights.
A March
Acacia etbaica , 2-12 m, white......................................................................................................................................... 23
Acacia farnesiana , 4-6 m, light yellow................................................................................................. 24
Acacia pycnantha , 6-10 m, bright yellow................................................................................... 30
Acacia seyal , 12 m, yellow......................................................................................................................................................... 33
Acacia tortilis ssp. raddiana , 12 m, white................................................................................. 34
Acacia tortilis ssp. spirocarpa , 12 m, white......................................................................... 35
Acacia victoriae , 2-9 m, pale yellow........................................................................................................... 36
Agave angustifolia ‘Marginata’ , 0.9 m, yellow............................................................. 41
Aloe vera , 0.6-0.9 m, yellow, orange.......................................................................................................... 49
Azadirachta indica , 15-30 m, white, light yellow............................................. 63