Corolla
: tube funnel-shaped, densely villous within; lobes 5, ovate, shorter than tube, hairy on face
Stamens
5, arising ± in middle of corolla tube, included; anthers linear, subsessile
Disc
0
Ovary
2-locular, with many ovules in each locule attached to shortly stalked, shield-like placentas; style terete, exserted, glandular on lower half; stigma of 2 linear, glandular lobes
Fruit
an ovoid-globose, smooth capsule
Seeds
not becoming slimy when moistened, with swelling in lateral walls of testa cells
x = 9 (1 report)
Nomenclature:
Pentodon
Hochst.
Hochstetter: 551 (1844)
Phillips: 722 (1951)
Bremekamp: 175 (1952)
Verdcourt: 263 (1976)
Verdcourt: 116 (1989)
Distribution & Notes:
Global
: Species 2, warm and tropical America, Africa, Arabian Peninsula, Seychelles
Southern Africa
: Species 1:
Pentodon pentandrus
(Schumach. & Thonn.) Vatke, N Namibia, Botswana, Northern Province, Mpumalanga, Swaziland and KwaZulu-Natal
References:
BREMEKAMP. C.E.B. 1952. The African
Oldenlandieae
s.l.
Verhandelingen der Koninklijke Nederlandse Akademie van Wetenschappen, afdeling Natuurkunde
, sect. 2. 48, 2
HOCHSTETTER, C.F.F. 1844. Pflanzen des Cap- und Natal-Landes, gesammelt und zusammengestellt von Dr. Ferdinand Krauss.
Flora
27
PHILLIPS, E.P. 1951. The genera of South African flowering plants.
Memoirs of the Botanical Survey of South Africa
No. 25
VERDCOURT, B. 1976.
Flora of tropical East Africa
.
Rubiaceae
(part 1)
VERDCOURT, B. 1989.
Rubiaceae
.
Flora zambesiaca
5,1
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