Inflorescence
terminal thyrses; bracts and bracteoles present
Calyx
regular; lobes 5; tube shorter than lobes
Corolla
2-lipped; lobes 5, subequal; aestivation ascending; rugula indistinct; tube longer than lobes, long-cylindric; small, cleistogamous flowers usually present
Androecium
: fertile stamens 2, arising in throat of corolla; filaments linear; anthers 2-thecous; thecae parallel, muticous; staminodes 2
Pollen
prolate, 3-colporate, with pseudocolpi; surface reticulate
Disc
shallowly cupular
Gynoecium
: ovary oblong, with 2 ovules in each locule; style branches 2, equal (occasionally unequal); ventral lobe more developed, expanded
Capsule
long-stipitate, with inelastic placental bases
Seed
surface rough and convolute or rugose
x = 7 (polyploidy)
Nomenclature:
Pseuderanthemum
Radlk.
Radlkofer: 282 (1883)
Milne-Redhead: 255 (1936)
Edwards & Harrison: 187 (1998)
Distribution & Notes:
Global
: Species ± 60, cosmopolitan in tropics
Southern Africa
: Species 2, KwaZulu-Natal
References:
EDWARDS, T.J. & HARRISON, E. 1998. New records from KwaZulu-Natal, South Africa.
Bothalia
28
MILNE-REDHEAD, E. 1936.
Eranthemum
of the 'Flora of tropical Africa'.
Kew Bulletin
1936
RADLKOFER, L.A.T. 1883.
Pseuderanthemum
.
Sitzungsberichte der mathematisch-physikalischen Classe der Koeniglichen Bayerischen Akademie der Wissenschaften, München
13
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