Aloes and Lilies of Ethiopia and Eritrea

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240 IRIDACEAE Zygotritonia praecox Description Habitat and distribution 7. ZYGOTRITONIA Mildbr. This genus is easily recognised within the family in Ethiopia by its small white flowers and the undivided style. The genus includes small seasonal herbs with corms. The leaves are few, lanceolate to linear, prominently nerved to somewhat plicate. The stem is flattened, simple or branched. The inflorescence is a spike with spirally arranged flowers. The bracts are small, green, drying brown. The flowers are yellow, orange or white, and bilaterally symmetric. The tepals are united to form a cylindric tube; unequal, upper larger held apart and hooded, lower three forming a lip. The stamens are arcuate. The style is slender and simple (undivided). The capsule is threelobed. The seeds are globose to angled and smooth on the surface. The genus is represented by four species, all in tropical Africa. Of these, only the following species is known to occur in Ethiopia. Zygotritonia praecox Stapf The specific epithet ‘praecox’ refers to the sequence in the development of the flowers and the leaves, in this case referring to the development of flowers before the leaves (praecox). The species was descri bed by Stapf in 1927 from a plant collected from Abinsi, Nigeria by Dalziel. Plants 15–25 cm high. Corm 12–22 mm in diameter. Leaves hysteranthous, flowering stem bearing two small leaves, one basal and sheathing twothird of the stem, reaching to about the base of the spike, the upper leaf (when present) as long as or shorter than the lower and inserted in the third; the lower leaf with linear to lanceolate leaf blade, 3–12 cm long, 1–5 mm wide. Stem simple or with 1–2 branches. Spike with 8–24 flowers on the main axis, 5–12 on the branches. Flowers whitish, flushed pink on the tube and at the end of the tepals, especially the upper; perianth tube 2.5–3 mm long; tepals linear to lanceolate, the upper 5–8 mm long, the other tepals 3–4 mm long. Filaments 3–4 mm long. Capsule 3 mm long and 3–4 mm wide, dark brown slightly warty. The species grows in dense stands in bush land meadows with rocky outcrops, between 1600 and 1620 m, near Assosa in Wellega floristic region. The species is otherwise
Fig. 108. Zygotritonia praecox, from near Assosa, Wellega floristic region. ZYGOTRITONIA GLADIOLUS 241 known from Senegal, Guinea, Mali, Nigeria, and in the Central African Republic. The recent collection in western Ethiopia represents a large extension eastwards. The main flowering period in Ethiopia is from May to July. 8. GLADIOLUS L. The genus is easily recognised in Ethiopia within the family by its large conspicuous bilaterally symmetrical flowers. The genus includes perennial herbs with corms. The
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Aloes and Lilies of Ethiopia and Er
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Front cover: Aloe steudneri Back co
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4 ALOES AND LILIES OF ETHIOPIA Pref
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6 ALOES AND LILIES OF ETHIOPIA Odd
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8 ALOES AND LILIES OF ETHIOPIA Geol
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10 ALOES AND LILIES OF ETHIOPIA Fig
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16 ALOES AND LILIES OF ETHIOPIA Rec
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18 ALOES AND LILIES OF ETHIOPIA (A.
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20 ALOES AND LILIES OF ETHIOPIA 3.
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34 ALOES AND LILIES OF ETHIOPIA The
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36 ALOES AND LILIES OF ETHIOPIA The
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38 ALOES AND LILIES OF ETHIOPIA Wha
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40 ALOES AND LILIES OF ETHIOPIA Key
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42 ALOACEAE ALOACEAE The members of
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44 ALOACEAE Reproduction Chemistry
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46 ALOACEAE Key to the species thei
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48 ALOACEAE - Leaf margin with 8—
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50 ALOACEAE 29. Leaves spreading or
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52 ALOACEAE 49. Leaves strongly rec
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54 ALOACEAE Aloe trichosantha ssp.
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56 ALOACEAE Aloe citrina Descriptio
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58 ALOACEAE Description Habitat and
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60 ALOACEAE Fig. 26. Aloe schoeller
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66 ALOACEAE Habitat and distributio
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68 ALOACEAE Fig 30. Aloe ruspoliana
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70 ALOACEAE Habitat and distributio
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74 ALOACEAE Aloe rugosifolia Descri
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78 ALOACEAE Fig. 37. Aloe percrassa
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80 ALOACEAE Aloe steudneri (24-30 m
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84 ALOACEAE Fig. 42. Aloe trigonant
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86 ALOACEAE Fig. 44. Aloe secundifl
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90 ALOACEAE Fig. 47. Aloe camperi,
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92 ALOACEAE Fig. 48. Aloe adigratan
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94 ALOACEAE Fig. 50. Aloe calidophi
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96 ALOACEAE Fig. 51. Aloe megalacan
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98 ALOACEAE Fig. 52. Aloe gilbertii
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100 ALOACEAE Fig. 54. Aloe ghibensi
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102 ALOACEAE Aloe yavellana Descrip
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104 ALOACEAE Description Habitat an
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106 ALOACEAE Fig. 58. Aloe tewoldei
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108 ALOACEAE Habitat and distributi
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110 ALOACEAE Distribution and class
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112 ASPHODELACEAE Key to genera The
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114 ASPHODELACEAE Kniphofia pumila
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116 ASPHODELACEAE Fig. 61. Kniphofi
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118 ASPHODELACEAE Kniphofia insigni
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120 ASPHODELACEAE Fig. 64 (left): K
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122 ASPHODELACEAE Fig. 66. Bulbine
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124 ASPHODELACEAE Fig. 67. Jodrelli
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126 ASPHODELACEAE Fig. 68. Trachyan
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128 ANTHERICACEAE Chemistry and use
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130 ANTHERICACEAE Key to the specie
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132 ANTHERICACEAE Fig. 69. Antheric
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134 ANTHERICACEAE Habitat and distr
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136 ANTHERICACEAE Key to the specie
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138 ANTHERICACEAE 15. Roots wiry wi
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140 ANTHERICACEAE Chlorophytum long
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142 ANTHERICACEAE Chlorophytum duci
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148 ANTHERICACEAE Fig. 76. Chloroph
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150 ANTHERICACEAE Chlorophytum humi
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152 ANTHERICACEAE Fig. 79. Chloroph
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154 ANTHERICACEAE Chlorophytum subp
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158 ANTHERICACEAE Description Habit
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162 ALOACEAE Distribution and class
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164 AMARYLLIDACEAE 4. Leaves in a b
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166 AMARYLLIDACEAE Scadoxus nutans
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168 AMARYLLIDACEAE Fig. 82. Scadoxu
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170 AMARYLLIDACEAE Habitat and dist
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172 AMARYLLIDACEAE Conservation Key
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174 AMARYLLIDACEAE Crinum macowanii
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176 AMARYLLIDACEAE Notes Crinum aby
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178 AMARYLLIDACEAE Fig. 87. Ammocha
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180 AMARYLLIDACEAE Fig. 88. Pancrat
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182 AMARYLLIDACEAE Description Habi
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184 HYACINTHACEAE Chemistry and use
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186 HYACINTHACEAE Description Habit
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188 HYACINTHACEAE Dipcadi marlothii
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Page 236 and 237: 234 IRIDACEAE Dierama cupuliflorum
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Page 262 and 263: 260 HYPOXIDACEAE HYPOXIDACEAE Withi
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Page 278 and 279: 276 DRACAENACEAE Dracaena afromonta
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290 ASPARAGACEAE Distribution and c
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292 ASPARAGACEAE 9. Cladodes (25-)3
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294 ASPARAGACEAE Description Habita
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296 ASPARAGACEAE Fig. 128. Asparagu
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302 ASPARAGACEAE Habitat and distri
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304 ASPARAGACEAE Description Habita
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306 DIOSCOREACEAE Use and chemistry
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308 DIOSCOREACEAE - Leaves ovate-la
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310 DIOSCOREACEAE Fig. 133. Dioscor
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312 DIOSCOREACEAE Dioscorea gillett
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314 DIOSCOREACEAE Habitat and distr
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316 DIOSCOREACEAE Description Habit
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318 DIOSCOREACEAE Dioscorea sagitti
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320 TACCACEAE Tacca leontopetaloide
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322 ALOACEAE Fig. 136. Smilax ancep
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324 SMILACACEAE and also in Eritrea
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326 VELLOZIACEAE Distribution and r
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328 VELLOZIACEAE Habitat and distri
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330 ALOES AND LILIES OF ETHIOPIA Li
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332 ALOES AND LILIES OF ETHIOPIA mu
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334 ALOES AND LILIES OF ETHIOPIA Li
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336 ALOES AND LILIES OF ETHIOPIA No
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338 ALOES AND LILIES OF ETHIOPIA In
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340 ALOES AND LILIES OF ETHIOPIA Al
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342 ALOES AND LILIES OF ETHIOPIA CA
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344 ALOES AND LILIES OF ETHIOPIA DI
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346 ALOES AND LILIES OF ETHIOPIA HE
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348 ALOES AND LILIES OF ETHIOPIA Ox
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350 ALOES AND LILIES OF ETHIOPIA WA
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352 ALOACEAE
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354 ALOACEAE
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Aloes and Lilies of Ethiopia and Eritrea

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