The flowering plants of Africa: An analytical key to the genera of African phanerogramsThonner, Franz
Science
The flowering plants of Africa: An analytical key to the genera of African phanerograms
Thonner, Franz
Angiosperms -- Africa; Plants -- Africa
59. Stamens as long as or longer than the perianth. Flowers almost
sessile. 60
Stamens shorter than the perianth. Flowers distinctly stalked. 61
60. Perianth-segments erect. Leaves broadly elliptical.--Species 1.
Southern West Africa. =Verdickia= De Wild.
Perianth-segments spreading. Leaves linear or lanceolate.--Species 15.
Central Africa. (Under _Chlorophytum_ Ker). =Dasystachys= Bak.
61. Fruit deeply 3-lobed or acutely angled. Seeds discoid.--Species
80. Tropical and South Africa. Some are used as ornamental plants.
=Chlorophytum= Ker
Fruit not distinctly lobed, obtusely angled. Filaments
thread-shaped.--Species 120. Some are used as ornamental or medicinal
plants. (_Phalangium_ Juss.) =Anthericum= L.
62. (53.) Anthers attached to the filament in a small dorsal pit. 63
Anthers without a dorsal pit. 65
63. Perianth wheel-shaped, with spreading 5-nerved segments, white on
the inner face, violet or red on the outer. Filaments woolly. Seeds
globular or ovoid.--Species 1. North-West Africa. Used in medicine.
=Simethis= Kunth
Perianth bell-or funnel-shaped, with more or less connivent, 1-nerved
segments. Seeds triquetrous. 64
64. Perianth yellow. Filaments distinctly unequal, bent downwards. Stem
bearing leaves to the middle or higher up.--Species 2. North Africa.
Used as ornamental or medicinal plants. =Asphodeline= Reichb.
Perianth white or reddish. Filaments subequal. Stem bearing leaves at
the base only.--Species 10. North Africa, northern East Africa, and
Mascarene Islands. Some are used as ornamental or medicinal plants or
for preparing glue. =Asphodelus= L.
65. Filaments glabrous. Ovules 2 in each ovary-cell. Perianth white or
yellow.--Species 9. South Africa. =Bulbinella= Kunth
Filaments bearded. Ovules 3 or more in each ovary-cell. Perianth
yellow, rarely whitish.--Species 30. South and Central Africa. Some are
poisonous to cattle. =Bulbine= L.
66. (52.) Stamens free from the perianth, rarely (_Lomatophyllum_)
slightly attached to it at the base. Anthers attached to the tip of
the filament in a small pit. Perianth-segments evidently united or
connivent into a narrow tube at the base. Fruit a capsule which is
rarely fleshy. Leaves leathery and all radical, or more or less fleshy.
[Tribe ALOINEAE.] 67
Stamens attached to the perianth, rarely almost free, but then
anthers without a pit, perianth-segments almost free, spreading or
globosely-connivent, fruit a berry, and leaves not fleshy. 75
67. Leaves leathery, minutely toothed or entire, radical or nearly so.
Inflorescence terminal, simple, densely racemose, upon an almost naked
stalk. Perianth usually yellow or red; limb regular or nearly so, not
2-lipped. [Subtribe KNIPHOFIINAE.] 68
Leaves fleshy and usually prickly, generally inserted on a woody stem,
rarely leathery, but then inflorescence subcapitate or loosely racemose
or perianth with a 2-lipped limb. Inflorescence axillary, but often
apparently terminal. [Subtribe ALOINAE.] 69
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