Dwarf, compact, heterophyllous perennials less than 25 mm high
Leaves
opposite, largely connate and united into small ovoid bodies with a somewhat gaping fissure, with visible bladder cell idioblasts on surfaces, bright brownish red towards end of growing season, otherwise dark green to brownish green or yellowish green; gradually absorbed by following leaf pair and leaving whitish sheath; two leaf pairs develop per season on each of up to 20 branches per individual
Flowers
solitary, with bracts exserted from orifice, ± 25 mm in diameter; opening midday, closing in evening
Sepals
6(7), shortly tubular
Petals
2- or 3-seriate, white, pink or pale violet
Stamens
with filaments papillate at base, white, pink or pale violet; staminodes present, coloured as petals
Nectary
a crenulate ring
Ovary
somewhat convex with (5)6 ridges on top; placentas basal/parietal; stigmas (5)6, filiform
Fruit
a (5)6-locular capsule, of Delosperma type; developing directly on top of drying plant body; valve wings broad; covering membranes rarely present as narrow rims over locules; closing bodies 0
Seeds
many in each locule, small, compressed
x = 9
Flowering
in winter
Distinguishing characters
:
Stemless perennials, with clusters of ovoid, papillate leaves
Old leaves forming papery sheaths enclosing the emerging young leaf pair
Nomenclature:
Oophytum
N.E.Br.
Brown: 413 (1925)
Herre: 236 (1971)
Ihlenfeldt: 303 (1978)
Smith et al.: 122 (1998)
Distribution & Notes:
Southern Africa
: Species 3, restricted to the quartz fields of the Knersvlakte north of Vanrhynsdorp in the Western Cape
References:
BROWN, N.E. 1925.
Mesembryanthemum
and some new genera separated from it.
Gardeners' Chronicle
78
HERRE, H. 1971.
The genera of the
Mesembryanthemaceae
. Tafelberg, Cape Town
IHLENFELDT, H.-D. 1978. Morphologie und Taxonomie der Gattung
Oophytum
N.E.Br. (
Mesembryanthemaceae
). Monographie der Mitrophyllinae Schwantes III.
Botanische Jahrbücher
99
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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