Densely branched shrublets, with erect or spreading reddish stems
Leaves
opposite, subequal, somewhat united at base, triquetrous to trigonous, short, up to ± 20 mm long and 13 mm broad, mostly with prominently dentate keel and margins (red-toothed in one species), greyish green to pale blue waxy leaves
Flowers
solitary or in rich cymes, mostly on bibracteate peduncles, rarely sessile, up to ± 15 mm in diameter; remaining open; almond-scented
Sepals
5
Petals
not much more than 1-seriate, white to pink
Stamens
and short staminodes collected into a cone, both papillate near base
Nectary
of 5 ± separate, dark green, crenulate glands
Ovary
convex to conical on top; placentas parietal; stigmas 5, concealed by stamens
Fruit
a 5-locular capsule, of Lampranthus type; grey to brown; expanding keels diverging from base, more than half as long as valves; valve wings very broad and rectangular; covering membranes with inconspicuous closing ledges at distal ends; closing devices 0, but placenta ending in a tiny to small knob
Seeds
ovoid, verrucose, brown
x = 9
Flowering
mid-winter to mid-summer
Distinguishing characters
:
Small shrubs with greyish green, waxy, sometimes dentate leaves
Flowers scented
Stamens and staminodes collected into a cone
Nomenclature:
Oscularia
Schwantes
Schwantes: 187 (1927)
Herre: 244 (1971)
Glen: 693 (1980)
Smith et al.: 336 (1998)
Hartmann: 44 (1998)
Distribution & Notes:
Southern Africa
: Species 23, typically in the fynbos vegetation of the Western Cape, extending slightly into the Northern Cape, a single species:
Oscularia deltoides
(L.) Schwantes, has been collected just east of Albertinia in the Western Cape
References:
GLEN, H.F. 1980. Proposal (537) to conserve the generic name 2405
Lampranthus
N.E.Br. (1930) against
Oscularia
Schwantes (1927) (
Mesembryanthemaceae
).
Taxon
29
HARTMANN, H.E.K. 1998. New combinations in
Ruschioideae
, based on studies in
Ruschia
(
Aizoaceae
).
Bradleya
16
HERRE, H. 1971.
The genera of the
Mesembryanthemaceae
. Tafelberg, Cape Town
SCHWANTES, G. 1927. Einige neue Mesembrianthemaceen.
Möllers Deutsche Gärtner-Zeitung
42
SMITH, G.F., CHESSELET, P., VAN JAARSVELD, E.J., HARTMANN, H., HAMMER, S., VAN WYK, B-.E., BURGOYNE, P., KLAK, C. & KURZWEIL, H. 1998.
Mesembs of the world
. Briza, Pretoria
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